Learning the friendly way

Litecoin is part of the first generation of altcoins to emerge after Bitcoin ignited the crypto revolution. This peer-to-peer cryptocurrency is a popular option when it comes to transacting in the real world and investors' portfolios, and has been a permanent feature in the top 15 biggest cryptocurrencies by market cap for years. 

What Is Litecoin?

Litecoin was launched in 2011 as an alternative to Bitcoin, providing users with a faster means of transacting money over the internet. While it was never designed to replace Bitcoin, Litecoin was created to complement the original digital money. Litecoin is often referred to as "digital silver" compared to Bitcoin being referred to as "digital gold".

Litecoin is widely considered to be one of the most successful altcoins. Created as a hard fork off of Bitcoin's blockchain, Litecoin holds many similarities in the way it functions, however, the team behind the open-source cryptocurrency incorporated several features to ensure that the network operated in a faster manner.

These include changing the amount of time it takes to process transactions, the maximum total supply, the hashing algorithm, and charging very low transaction fees. Compared to Bitcoin's 21 million total supply and 10-minute transaction processing time, Litecoin has a maximum supply of 84 million LTC and can process transactions in 2.5 minutes. It also opted to use a Scrypt hashing algorithm over the SHA-256 one.

The network is known for pioneering advanced crypto features like the Lightning Network and Segregated Witness, both of which have since been implemented by the Bitcoin network. 

How Does Litecoin Work?

As Litecoin is based on Bitcoin's software, they function in very similar ways. Through the Proof-of-Work consensus, all transactions are executed through mining. When a transaction enters the mempool (pool of pending transactions) it is soon picked up by a miner who will then ensure that all the details are accurate (including valid wallet addresses and available balances).

The first miner to solve a cryptographic puzzle is awarded the task of executing the transactions and in turn, earns a reward. At the time of writing the reward was 12.5 LTC, however, after every 840,000 blocks mined the reward halves in what is known as a halving reward. This mechanism is in place to manage the supply of new tokens entering circulation as each block mined releases minted new tokens.

As mentioned above, transactions are executed in 2.5 minutes, provided there is no congestion on the network, making it attractive to merchants and other service providers. The cost of making a transaction on the Litecoin network ranges from $0.03 or $.04 US cents.

Litecoin vs blockchain technology

Litecoin, like many other cryptocurrencies, is built on blockchain technology. It relies on the blockchain as the underlying technology to facilitate secure and decentralized transactions.

Litecoin transactions are facilitated by the blockchain through a decentralized ledger. When a transaction occurs, it is grouped with other transactions into a block. Miners then validate the transactions and add the block to the Litecoin blockchain. This process ensures the transparency and integrity of Litecoin transactions.

Blockchain plays a crucial role in securing Litecoin transactions by providing a decentralized and immutable record of all transactional activity. Each block is linked to the previous block, forming a chain, making it extremely difficult for malicious actors to alter past transactions. The distributed nature of the blockchain network ensures that no single entity has control over Litecoin transactions, enhancing security and trust in the system.

What gives Litecoin its value?

The value of Litecoin is determined by supply and demand, often determined by trade activity on exchanges. Due to its global liquidity and finite supply, Litecoin is a deflationary currency and has witnessed price gains over the years, making it an attractive option for investors in the global financial landscape over the years. 

What is Litecoin used for?

Litecoin is a peer-to-peer payment system providing both a medium of exchange and a store of value. Due to its fast transaction times and secure network, Litecoin is often favored when making transactions that are time-sensitive, i.e. paying for a coffee or at a restaurant. LTC is widely used by merchants and service providers around the world and has experienced increased crypto adoption and investment over the last decade.  

Who created Litecoin?

The Litecoin project is the creation of a former Google engineer and MIT graduate named Charlie Lee. Two years after creating Litecoin, Lee would go on to become the Director of Engineering at a large cryptocurrency exchange. In 2017, Lee rejoined the team as managing director of the Litecoin Foundation, a non-profit organization dedicated to the development of the blockchain platform and its technology.

Litecoin development and community

Litecoin's development process involves a dedicated team of developers who work on improving the Litecoin software and its functionalities. It follows a transparent and open-source approach, allowing anyone to contribute to its development and propose changes.

The Litecoin software undergoes regular updates and enhancements to ensure it remains secure, efficient, and compatible with emerging technologies. These updates often introduce new features, improve performance, and address any identified vulnerabilities.

Litecoin has a vibrant and active community that actively participates in its evolution. Community members provide feedback, report bugs, and contribute to discussions on Litecoin's future development. Their contributions range from code contributions from developers to community-driven initiatives, fostering a collaborative environment and shaping the direction of Litecoin's growth.

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It's never too late to learn about the new-age financial payment system. Bitcoin has become infinitely more popular with each passing year, and as adoption rates continue to rise, now is the perfect time to become familiar with the world's first and biggest cryptocurrency. 

What Is Bitcoin?

Bitcoin is a peer-to-peer payment system that uses the internet to operate and not a centralised authority like all other currencies. This digital currency cuts out the middleman and instead allows users to send money directly to one another, eradicating high fees, lengthy application processes and time spent waiting for money to clear.

Instead of being operated by a bank, government or financial institution, Bitcoin is run by a network of computers around the world that all follow the same protocol to ensure the network operates smoothly. Blockchain technology forms the backbone of Bitcoin and ensures that all transactions are facilitated in a timely, transparent and immutable manner. 

Bitcoin is a secure, decentralised, borderless payment system and form of digital currency that operates 24 hours a day, 7 days a week. 

Bitcoin is often compared to gold as both assets have proven to be successful investments over the years. While regulation regarding cryptocurrency is still being ironed out, it still remains a widely adopted and heavily used payment system.

What Are The Benefits Of Bitcoin?

Bitcoin brought about an entirely new way to manage one's funds. With the use of blockchain technology and the internet, Bitcoin has become a thriving financial ecosystem over the years. Below we outline several benefits of using Bitcoin.

• Decentralised. The network is entirely free from centralised control, including stopping transactions, freezing accounts and requiring complex paperwork.
• Accessible. Anyone anywhere can tap into the Bitcoin payment system as long as they have an internet connection. The platform is fully inclusive.
• Transparent. While the network is considered to be "pseudonymous", all transactions are still recorded on a public ledger in real time, providing an entirely transparent ecosystem.
• Liquidity. Bitcoin can be traded on hundreds of platforms around the world, ensuring that its liquidity is always in the green.

How Does Bitcoin Work?

Using blockchain technology, the network of computers is able to facilitate digital asset transactions from one peer to another bypassing any middleman. Let's break that down. 

Say Amal wants to send George 1 BTC. She will initiate this through her Bitcoin wallet by entering George's wallet address and the amount. Bitcoin is stored in digital wallets which have two important codes: one is the wallet address (known as the public key) and the other is the private key, a code only the owner of the wallet should know (similar to an ATM pin).

Once Amal has initiated the transaction, it will enter a pool of pending transactions on the network. From there, miners will "pick it up" and compete with one another to be the first to solve a complex cryptographic puzzle. The first one to do so will execute the transaction. 

The funds will then leave Amal's wallet and be deposited into George's wallet. This will be recorded on the blockchain, a transparent digital ledger shared across the entire network, citing the date, time, wallet addresses and amount in a block, which are stored in chronological order. Each Bitcoin wallet's balance will then be updated.

Wallets typically require 3 confirmations before the funds can be spent. This means that three new blocks need to be added to the blockchain, each block representing a confirmation. 

What Gives Bitcoin Its Value?

Bitcoin's value is determined by supply and demand, fluctuating in price when supply decreases and demand increases. When Bitcoin was created it was written into its code that only 21 million BTC will exist. By putting a cap on its total supply, the currency is naturally deflationary in value, the opposite of fiat currencies.

Due to Bitcoin's prominent increase in value over the years many investors have deemed it a strong store of value. This paired with its constant availability and high liquidity makes it an excellent long term investment, known in the industry as "hodling". 

What Is Bitcoin Used For?

With the seamless functionality of cash, its "always open" usability and the fact that it can be transferred anywhere in the world in a matter of minutes, Bitcoin is an excellent medium of exchange. 

Anyone can use Bitcoin as payment for goods and services - many merchants around the world accept the cryptocurrency - or as a store of value. As long as the person has an internet connection, they can send and receive Bitcoin. 

Where Did Bitcoin Come From?

First announced to the world on 31 October 2008, Bitcoin was officially launched in early January 2009. The creator, who remains anonymous to this day, goes by the name of Satoshi Nakamoto and is the pioneer behind the crypto revolution. 

They stated in the project's whitepaper that Bitcoin was created as a response to the global financial crisis. Instead, they wanted to create a currency that was free from government and banks' control, allowing people to take ownership of their funds and be solely responsible for them. 

Somewhere in 2010, Satoshi Nakamoto disappeared and no one has managed to track down their identity since. Many speculate that it was a group of people and not one acting alone.

Since the advent of Bitcoin, a number of new cryptocurrencies have been created. Any new currency that launched was referred to as an altcoin (alternative coin), and this term has stuck. There are over 12,000 cryptocurrencies today, each with its own unique use case. For example, Ethereum was created so that developers could build decentralized applications, while cryptocurrencies like Litecoin were created to improve on Bitcoin's payment system.

How To Invest In Bitcoin

Buying Bitcoin is a lot more straightforward than most people imagine. Simply create an account on the Tap app, verify your identity through the on-screen steps and you'll be able to purchase BTC in no time. Get started here.  Learn how to purchase Bitcoin here

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Imagine you have euros in your wallet but need to spend dollars at a store. You'd need to exchange your currency first, right? Wrapped crypto works in a similar way, but for blockchain assets.

Wrapped cryptocurrency is a tokenised version of another crypto asset that lives on a different blockchain. Think of it as your original crypto asset wearing an outer layer that lets it work on another blockchain network. For example, Bitcoin can't naturally function on the Ethereum network because they're separate systems with different rules. 

But by "wrapping" Bitcoin, you get a token that represents Bitcoin's value while being compatible with Ethereum's ecosystem.

This seemingly simple innovation has become a cornerstone of decentralised finance (DeFi), allowing assets to move between otherwise isolated blockchain ecosystems and unlocking billions of dollars in cross-chain liquidity.

How wrapped crypto works

The wrapping process involves three key elements: custodians, merchants, and smart contracts.

Here's how it typically works:

1. Deposit: You send your original cryptocurrency (like Bitcoin) to a custodian—an entity or smart contract that holds your assets safely.
2. Minting: Once the custodian confirms receipt of your deposit, they mint an equivalent amount of wrapped tokens (like WBTC) on the target blockchain.
3. Release: These newly created wrapped tokens are then sent to your wallet on the new blockchain, ready to use.

When you want your original tokens back, you simply reverse the process—a procedure called "unwrapping" or "burning":

1. Return: You send your wrapped tokens back to the custodian.
2. Burn: The wrapped tokens are destroyed (burned).
3. Release: The equivalent amount of the original cryptocurrency is returned to your wallet.

This process ensures a 1:1 backing between wrapped tokens and their underlying assets, similar to how stablecoins maintain their value through reserves. For every wrapped Bitcoin (WBTC) in circulation, there's one real Bitcoin held in reserve by a custodian.

Benefits of wrapped crypto

Cross-chain compatibility

The most obvious benefit is interoperability. Wrapped tokens allow assets from one blockchain to participate in activities on completely different networks. Bitcoin holders can participate in Ethereum-based DeFi without selling their Bitcoin, while Ethereum users can access the value and liquidity of Bitcoin without leaving their preferred ecosystem.

Expanded DeFi possibilities

Before wrapped tokens, assets like Bitcoin were essentially locked out of the booming DeFi space. Now, billions of dollars worth of previously idle assets can earn yields, serve as collateral for loans, or provide liquidity to trading pools.

Enhanced functionality

When assets like Bitcoin get wrapped as ERC-20 tokens on Ethereum, they gain new capabilities:

• Smart contract interaction: Bitcoin doesn't natively support complex smart contracts, but wrapped Bitcoin on Ethereum can interact with any Ethereum smart contract.
• Faster settlements: Bitcoin transactions typically take about 10 minutes to confirm, while Ethereum transactions complete in seconds or minutes, making wrapped Bitcoin potentially more practical for everyday transactions.

Liquidity boosts

By making assets usable across multiple blockchains, wrapped tokens significantly increase market liquidity. The same value can now participate in various ecosystems without being split across different platforms.

Common types of wrapped tokens

Wrapped Bitcoin (WBTC)

The most popular wrapped token by market cap, WBTC brings Bitcoin's massive value onto the Ethereum blockchain. Each WBTC is backed by one Bitcoin held in reserve. This has allowed billions of dollars worth of Bitcoin to participate in Ethereum's DeFi ecosystem.

Wrapped Ether (WETH)

Interestingly, even Ethereum's native currency (Ether) has a wrapped version. Why? The original Ethereum token (ETH) predates the ERC-20 standard that most Ethereum tokens follow. WETH makes ETH compatible with dapps that require the standard ERC-20 format.

Other Notable Wrapped Assets

As cross-chain functionality becomes increasingly important, we're seeing more wrapped versions of various assets:

• Wrapped AVAX (WAVAX) on Ethereum
• Wrapped UST (Terra stablecoin) on various chains
• Wrapped tokens of various layer-1 cryptocurrencies

How to use wrapped tokens in DeFi

Lending and borrowing

Platforms like Aave, Compound, and MakerDAO allow users to deposit wrapped assets as collateral to borrow other cryptocurrencies. This means you can leverage your Bitcoin holdings to access stablecoins or other tokens without selling your BTC.

Liquidity provision

Decentralised exchanges like Uniswap and SushiSwap rely on liquidity providers to enable trading. By providing wrapped tokens to these liquidity pools, users can earn trading fees and additional rewards.

For example, the WBTC/ETH pool on Uniswap has consistently been one of the largest liquidity pools, enabling billions in trading volume between Bitcoin and Ethereum.

Yield farming

Many DeFi protocols offer incentives for users who provide liquidity or lend assets. Wrapped tokens allow users to participate in these "yield farming" opportunities across multiple blockchains, potentially maximising returns.

Risks involved

Custodial risks

Most wrapped tokens rely on custodians to hold the original assets, introducing an element of centralisation and trust. If the custodian is compromised or acts maliciously, your wrapped tokens could become worthless.

For instance, WBTC relies on BitGo as its primary custodian. While BitGo maintains high security standards, this represents a potential single point of failure in an otherwise decentralised system.

Smart contract vulnerabilities

Wrapped tokens, like all blockchain assets involving smart contracts, face potential security risks. Bugs or exploits in the smart contracts governing wrapped tokens could lead to fund losses.

Minting and redemption friction

The process of wrapping and unwrapping tokens often involves fees, waiting periods, and minimum amounts. These friction points can make wrapped tokens less practical for smaller transactions or quick trades.

Bridge attacks

Cross-chain bridges, which facilitate the creation of many wrapped tokens, have been frequent targets for hackers. Several high-profile attacks have resulted in millions of dollars in losses.

The future of wrapped tokens

Decentralised wrapping mechanisms

The industry is moving toward more decentralised wrapping processes that reduce reliance on centralised custodians. Projects like tBTC and renBTC are exploring new models where custody is distributed among multiple parties or managed entirely by smart contracts.

Multi-chain integration

As blockchain ecosystems evolve toward greater interoperability, wrapped tokens are likely to play a crucial role in creating seamless experiences across multiple chains. Users may eventually interact with different blockchains without even realising they're using wrapped assets behind the scenes.

Standardisation and regulation

As wrapped tokens become more integrated into mainstream finance, we can expect more standardised practices and potentially increased regulatory attention, particularly around reserve verification and consumer protection.

Bridging the blockchain islands

Wrapped tokens have essentially built bridges between previously isolated blockchain islands, creating a connected DeFi landscape where assets flow freely across networks. They give users remarkable flexibility – allowing them to use Solana's speed while accessing Ethereum's rich application environment.

While these tokens solve major interoperability challenges, it's worth remembering their trade-offs. The centralized custody model goes against blockchain's decentralization principles, and security risks exist.

Though we'll eventually see more sophisticated cross-chain solutions emerge, wrapped tokens currently serve as the vital connectors powering our increasingly interconnected crypto economy.

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There has been an influx of conversation about Proof of Work (PoW) and Proof of Stake (PoS) consensus mechanisms recently. But what do these really mean? In this article, we're fleshing out what they are, how they work, and how they differ from each other.

The shift from traditional PoW systems to more modern PoS alternatives represents one of the most significant developments in crypto history. Understanding these mechanisms isn't just academic curiosity - it directly impacts energy consumption, transaction speeds, security models, and the future sustainability of blockchain networks. 

Whether you're considering which cryptocurrencies to invest in or simply want to understand the technology behind your digital assets, grasping these fundamental concepts is fairly important.

What is a consensus mechanism in crypto?

Before we get started, let's first address what a consensus mechanism is. 

Whether PoW or PoS, the consensus mechanism is the agreed-upon protocol that the entire network will use to maintain and operate the blockchain. It looks at how transactions are verified, the amount of energy they require and how new coins enter circulation. The consensus mechanism is effectively the protocol that keeps all the computers on the network in check.

Think of a consensus mechanism as the rulebook that all participants in a blockchain network must follow. Without it, there would be no way to prevent double-spending (the digital equivalent of spending the same dollar twice). These mechanisms ensure that all participants agree on the current state of the ledger, maintaining the integrity and security that make cryptocurrencies valuable.

While PoW and PoS are the most prominent consensus mechanisms, others exist, including Proof of Authority (PoA) and Delegated Proof of Stake (DPoS). Each serves specific use cases and comes with unique trade-offs between security, speed, and decentralisation.

What is Proof of Work (PoW)?

Proof of Work might be the most well-known of the two as Bitcoin, the first cryptocurrency to come into existence, uses it. Despite what many think, this was not when the consensus mechanism was created. It dates back before crypto's integration into the financial sector, right back to the early 1990s when it was initially used as a means to mitigate email spam.

The system worked in such a way that sending an email required a small amount of work to send one email, and a large amount to send out mass spam emails. Alongside blockchain technology, Satoshi Nakamoto reworked these concepts to create the first digital currency. While the electricity and money implications remained the same, he eradicated the need for human intervention.

The blockchain is made up of blocks containing data pertaining to the network, stored in chronological order. The first block on the blockchain is known as the Genesis block and is hardcoded into its software. Each block after that references the previous block and contains an updated version of the blockchain. Still with me? Let’s dive deeper. 

New blocks are added to the network by miners who compete with each other to solve a complex cryptographic puzzle. The first to complete the puzzle gets to execute the transactions and receive the miner's fee (a reward for their time and energy). 

The process of miners racing to finish the puzzle is known as hashing, as miners are guessing a string of pseudorandom numbers, known as hashes. Once a miner establishes the winning hash, it is broadcast to the network for all the nodes (network of computers) to verify whether it is correct or not. If it is correct, the block is added to the blockchain, and the miner receives the reward.

The reward is new coins that are then minted and added to circulation. In the case of Bitcoin, freshly minted BTC will be distributed to the miners, with this number reducing each time the blockchain reaches a certain number of blocks. This is called a halving and takes place every 210,000 blocks (which takes place roughly every 4 years). Halvings keep the cryptocurrency deflationary and finite.

Examples of Proof of Work cryptocurrencies

Major PoW cryptocurrencies include Bitcoin, Litecoin, Dogecoin, and Ethereum Classic. These networks have demonstrated remarkable security over the years of operation, with Bitcoin alone processing over $19 trillion in transaction volume in 2024 without a successful attack on its consensus mechanism. 

However, this security comes at the cost of significant energy consumption, with Bitcoin's network alone consuming more electricity than some countries.

What is Proof of Stake (PoS)?

Proof of Stake was first introduced to the world through Peercoin in 2012, gaining more traction when Ethereum began implementing PoS in 2020 with the launch of Beacon Chain, and fully transitioned via The Merge in 2022.

Considered a more "energy-efficient" means of operating crypto networks, instead of using energy to race to find the winning hash, PoS focuses on participation in the network by looking at ownership in terms of the coin's total supply. PoS was designed to solve the energy problems that PoW platforms created.

Unlike PoW, which requires specialised mining equipment (ASICs), PoS validation can be done on standard hardware, provided there is stable internet and enough ETH staked.

Instead of a number of miners racing at the same time to solve the same puzzle, the PoS algorithm pseudo-randomly selects a node that will be responsible for verifying the transactions. 

This election is based on the number of coins that a particular node holds. Once selected, the node verifies and signs off on the validity of the transactions and proposes the block to the network. Once the network accepts, the block is added to the blockchain in the same chronological order as the PoW consensus.

Nodes are selected by engaging in a process called staking. They are required to stake (lock) their funds on the platform as collateral in order to be selected. In order not to favour the richest of the nodes, the algorithm will typically also favour how long the funds have been staked for and add an element of randomisation. 

As there is no competition between the miners to race to solve the puzzle, this process is referred to as minting or forging on the PoS networks. The cost implications are specific to that of the platform.

PoS networks often implement additional mechanisms to ensure fairness and security. Slashing is a penalty system where validators can lose a portion of their staked tokens if they act maliciously or fail to properly validate transactions. This economic incentive structure replaces the computational cost of PoW with financial risk, creating a different but equally effective deterrent against bad actors.

Examples of Proof of Stake cryptocurrencies

Leading PoS cryptocurrencies include Ethereum, Solana, Cardano, Polkadot, and Avalanche. These networks can process thousands of transactions per second while consuming a fraction of the energy required by PoW systems, making them attractive for applications requiring high throughput and environmental sustainability.

Proof of Work vs. Proof of Stake: key differences

The differences extend beyond these technical aspects. PoW networks tend to have more predictable issuance schedules and have proven their resilience over longer periods.

PoS networks also offer more flexibility in governance and can implement upgrades more easily, but they're still relatively new compared to established PoW systems.

Industry experts have varying perspectives on these trade-offs. Fidelity Digital Assets noted that PoW's "proven track record" gives it advantages in terms of demonstrated security, while others argue that PoS represents the natural evolution of blockchain technology toward greater efficiency and sustainability.

Pros and cons of PoW and PoS

Proof of Work: advantages and disadvantages

Advantages:

• PoW systems offer unparalleled security through their requirement for massive computational investment, making 51% attacks on networks like Bitcoin practically impossible to execute due to the enormous costs involved.
• These systems have demonstrated remarkable stability over more than a decade of operation, processing trillions of dollars in value with zero successful attacks on their core consensus mechanisms.
• The decentralised nature of mining operations, while concentrated in pools, still maintains a high degree of censorship resistance and network independence.
• PoW has a proven track record that provides confidence to institutional investors and long-term holders seeking maximum security for their assets.

Disadvantages:

• The energy consumption of PoW networks has become their most criticised aspect, with Bitcoin alone consuming more electricity than countries like Argentina.
• Transaction throughput remains severely limited, creating bottlenecks during periods of high demand and resulting in dramatically increased fees for users.
• The environmental impact has led to regulatory scrutiny in various jurisdictions, with some countries banning or restricting PoW mining operations.
• The high barrier to entry for mining has created concerns about centralisation in regions with cheap electricity, potentially concentrating power in specific geographic areas.

Proof of Stake: advantages and disadvantages

Advantages:

• PoS systems consume dramatically less energy while maintaining strong security through economic incentives rather than computational waste, reducing environmental impact by over 99%.
• They can process transactions much faster and at lower costs, making them suitable for everyday use and complex applications like DeFi.
• The lower barrier to entry allows more participants to earn rewards through staking, potentially leading to better decentralisation and broader network participation.
• These systems offer more flexibility for implementing upgrades and governance changes, allowing networks to evolve more rapidly in response to user needs.

Disadvantages:

• PoS networks are relatively new and haven't been tested over the same timeframes as PoW systems, creating uncertainty about their long-term security properties under extreme conditions.
• The "rich get richer" dynamic, where larger stakes earn proportionally more rewards, could lead to centralisation over time as wealth concentrates among the largest validators.
• Some critics argue that PoS systems are less censorship-resistant because validators can be more easily identified and potentially coerced by authorities or malicious actors.
• The complexity of slashing mechanisms and validator requirements introduces new types of risks for participants, including the potential for technical errors to result in financial losses.

It’s worth noting that Ethereum's successful transition to PoS through "The Merge" in September 2022 provided significant validation for the PoS model, demonstrating that large, valuable networks can successfully implement this consensus mechanism while maintaining security and functionality.

Why did Ethereum move to Proof of Stake?

Ethereum's transition from PoW to PoS, known as "The Merge," arguably represented one of the most significant technical achievements in crypto history. The upgrade, completed in September 2022, was driven by several critical factors that had been limiting Ethereum's growth and adoption.

The primary motivation was scalability. Ethereum's PoW system could only process about 15 transactions per second, creating severe bottlenecks as the network grew. High gas fees during peak usage periods made the network unsuitable for many applications, particularly those requiring frequent, small-value transactions. 

The PoS system laid the groundwork for future upgrades that would dramatically increase transaction throughput.

Environmental concerns were a key factor in the shift, with the move to PoS cutting energy use by over 99%, directly tackling one of crypto’s biggest criticisms.

The economic shift was significant. Under its proof‑of‑work system, Ethereum paid out roughly $5 billion annually to miners via block rewards. After the Merge, those rewards shrank by over 80%, now going to validators who stake ETH—an approach widely seen as more sustainable. At the same time, the protocol burns a major portion of transaction fees under EIP‑1559, making ETH potentially deflationary during high usage.

The successful completion of The Merge sent a powerful signal to the broader crypto industry about the viability of PoS systems. It demonstrated that even large, complex networks with billions of dollars in value could successfully transition to more efficient consensus mechanisms without compromising security or functionality.

Which is more secure: PoW or PoS?

The security debate between PoW and PoS systems involves fundamentally different approaches to protecting blockchain networks. Both have proven effective, but they operate on distinct principles that create unique strengths and vulnerabilities.

Security 

PoW security relies on the economic cost of mounting an attack. To successfully attack a PoW network, an adversary would need to control more than 50% of the network's hash rate, requiring massive investments in specialised hardware and electricity. 

For Bitcoin, this would cost billions of dollars and require more mining equipment than currently exists. The beauty of this system lies in its simplicity - the security assumptions are straightforward and have been tested over many years.

PoS security operates through economic penalties rather than computational costs. Validators must stake significant amounts of the network's native token as collateral. If they act maliciously or fail to properly validate transactions, they face slashing: the permanent loss of their staked tokens. This economic incentive structure ensures that honest behaviour is more profitable than attempting to attack the network.

Centralisation 

Each system faces different types of centralisation risks. PoW networks can become centralised through mining pools and the concentration of mining operations in regions with cheap electricity. PoS networks face the risk of wealth concentration, where large stakeholders could potentially gain disproportionate control over the network.

The "nothing at stake" problem, often cited as a weakness of PoS, has been largely addressed through sophisticated slashing mechanisms and finality rules. Modern PoS implementations include penalties that make it economically irrational to validate conflicting blockchain histories.

Which is better?

Experts remain divided on which system offers superior long-term security. The reality is that both systems can be highly secure when properly implemented, with the choice often depending on other factors like energy efficiency, scalability, and governance requirements.

The future of blockchain consensus mechanisms

The evolution of consensus mechanisms continues beyond the PoW versus PoS debate. While these two models dominate current discussions, innovative alternatives are emerging that could reshape how blockchain networks operate in the future.

Hybrid consensus models are gaining attention, combining elements of different mechanisms to balance security, efficiency, and decentralisation. Some networks use PoW for initial block creation and PoS for finalisation, attempting to capture the benefits of both systems while mitigating their individual weaknesses.

Proof of Authority (PoA) systems have found success in enterprise and consortium blockchains where participants are known and trusted. These systems sacrifice some decentralisation for dramatically improved performance and energy efficiency. 

Delegated Proof of Stake (DPoS) represents another variation, where token holders vote for delegates who validate transactions on their behalf.

Emerging mechanisms like Proof of Space, Proof of Burn, and various forms of Proof of Activity are being explored for specific use cases. These alternatives aim to address particular limitations of existing systems or serve specialised applications.

The trend toward environmental sustainability is likely to continue driving innovation in consensus mechanisms. As regulatory pressure increases and institutional adoption grows, networks that can demonstrate minimal environmental impact while maintaining security will have significant advantages.

However, it's unlikely that PoS will completely replace PoW in the near future. Bitcoin's position as digital gold seems secure, and its PoW consensus mechanism is integral to its value proposition. Instead, we're likely to see continued specialisation, with different consensus mechanisms serving different purposes within the broader crypto ecosystem.

Conclusion

The PoW versus PoS debate isn't about declaring a winner, it's about recognising that each serves different purposes in the evolving crypto landscape. Many in the industry consider Bitcoin’s PoW to be a benchmark for security and decentralisation, while PoS networks are becoming the preferred choice for apps requiring speed, efficiency, and environmental sustainability.

Ethereum's successful transition to PoS proved that established networks can evolve without sacrificing security, validating PoS as a mature alternative. As the space develops, expect to see continued specialisation rather than replacement, with different consensus mechanisms optimised for specific use cases.

For investors and enthusiasts, understanding these mechanisms is essential for evaluating projects and predicting where the technology is headed. The consensus mechanism innovation continues to be one of blockchain's most dynamic frontiers.

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Card programs are no longer just a feature, they’ve become a competitive advantage. From fintech startups to global enterprises, businesses are embedding financial services into their ecosystems to improve customer retention, unlock new revenue streams, and gain a market edge. With embedded finance projected to reach $570.9 billion by 2033, the time to act is probably now.

This comprehensive guide explores the intricacies of card program management and its crucial role in business success. 

Why businesses are integrating white-label card programs

Beyond branding benefits, white-label card programs provide businesses with complete control over the customer journey, access to valuable transaction data, and new revenue opportunities. Thanks to advancements in fintech infrastructure, companies can integrate financial services seamlessly without requiring a financial license.

However, the timing is optimal. With the potential to increase top-line revenue, white label cards enable businesses to:

• Own the complete customer journey
• Gather valuable transaction data
• Differentiate their offering
• Create new customer touchpoints

As industry leaders increasingly make white-label cards central to their digital transformation, the opportunity for competitive advantage grows.

What is card program management?

Starting with the basics, card program management involves overseeing and coordinating payment card services, from design to day-to-day operations. This ensures that cards run smoothly and meet regulatory standards.

Key responsibilities of program managers:

• Strategic planning – Defining objectives, market positioning, and growth strategies.
• Compliance & risk management – Ensuring adherence to PCI DSS, AML, and KYC while mitigating fraud risks.
• Operational oversight – Managing banks, processors, and card networks for seamless transactions.
• Customer experience optimisation – Enhancing user experience with smooth onboarding, rewards, and support.

Program managers also go beyond administrative tasks by setting up risk frameworks, enforcing compliance controls, and improving customer experiences, while managing costs. They play a balancing act between regulatory demands and business goals, while managing relationships with service providers, like card manufacturers and tech vendors.

By connecting all these elements, program managers create a seamless, well-functioning payment card ecosystem that delivers success and efficiency.

The strategic importance of card program management

The complexity of launching and managing a card program extends far beyond just simple payment processing. Modern businesses require robust management systems and abilities that address multiple critical areas, including:

Compliance and regulatory management

Card program management plays a crucial role in navigating the complex regulatory landscape. This includes ensuring adherence to:

• Payment Card Industry Data Security Standard (PCI DSS) requirements
• Anti-Money Laundering (AML) protocols 
• Know Your Customer (KYC) standards. 

These crucial compliance measures protect both the business and its customers while maintaining the integrity of the financial system.

Risk and fraud prevention

In an era of sophisticated financial crimes, comprehensive risk management is paramount. Effective card program management incorporates advanced fraud detection systems, real-time transaction monitoring, and efficient dispute resolution processes. 

This proactive approach helps minimise financial losses while maintaining customer trust.

Operational excellence

Managing relationships with multiple third-party providers requires sophisticated coordination. Typically, a team of program managers oversee interactions with issuing banks, card networks, and processors, ensuring smooth operations across the entire payment ecosystem. 

Customer experience enhancement

Successful card programs focus on more than just functionality — they prioritise exceptional customer experiences. This includes smooth onboarding, responsive support, and value-added features like rewards and personalised services that drive engagement and loyalty.

How card program management works

The successful implementation of a card program requires a collaborative approach between program managers and the client organisation. The following is an example of a framework that is structured to ensure seamless execution while maintaining compliance and operational excellence. 

Program design and implementation

This foundational phase requires active participation from both parties:

Client organisation responsibilities:

• Define target user groups and program objectives
• Provide branding assets and guidelines
• Establish internal governance structure
• Determine program budget and KPIs

Program manager deliverables:

• Configure program features and parameters
• Implement compliance frameworks
• Set up risk management systems
• Design operational workflows

Technical integration and onboarding

The integration phase combines technical expertise with organisational readiness:

Client organisation responsibilities:

• Designate technical integration team
• Complete required compliance documentation
• Establish internal user management processes

Program manager deliverables:

• Secure BIN (bank identification number) sponsorship
• Implement digital wallet integration
• Configure secure account setup processes
• Set up fraud prevention systems

Program monitoring and optimisation

Ongoing program success relies on collaborative oversight:

Client organisation access:

• Real-time dashboard monitoring
• Custom report generation
• User activity tracking
• Expense management tools

Program manager services:

• Transaction monitoring and analysis
• Fraud detection and prevention
• Performance optimisation recommendations
• Compliance and risk assessment

This structured approach ensures the program manager provides the technical infrastructure and expertise, while the client organisation maintains control over strategic decisions and user management.

The key players in card program management

Effective card program management relies on the collaboration of key stakeholders, each playing a crucial role in ensuring seamless operations and compliance. These include:

Issuing banks

These regulated financial institutions hold the necessary licenses and provide the fundamental banking infrastructure that enables card issuance and transaction processing.

Card networks

Organisations like Visa and Mastercard maintain the payment networks that enable global card acceptance and establish operating rules that govern transaction processing.

Issuer processors

These technology providers handle the complex backend operations of transaction processing, settlement, and compliance management.

Card manufacturers

Specialised vendors are responsible for producing physical cards and implementing secure virtual card solutions.

At Tap, our white-label card services take care of all of the above, liaising with you on the finer details. 

Choosing your management approach

Organisations must carefully consider their approach to card program management:

Self-managed programs 

Maximum control but high complexity. Ideal for businesses with in-house regulatory and tech expertise.

Outsourced management 

Faster to market with lower operational costs. A great option for businesses looking to launch quickly without building infrastructure.

Hybrid solutions 

A flexible approach that allows businesses to maintain control over key functions while outsourcing technical or regulatory aspects. Tap’s white-label solutions cater to businesses seeking a balance between control and convenience.

Future trends shaping card program management

The future of card program management is being shaped by several key trends:

Embedded finance

The integration of payment solutions into non-financial products and services is creating new opportunities for businesses to enhance their value propositions and generate additional revenue streams.

Advanced analytics and AI

Artificial intelligence and machine learning are revolutionising fraud prevention and customer experience optimisation, enabling more sophisticated risk management and personalisation capabilities.

Digital-first solutions

The increasing preference for virtual cards and mobile payments is driving innovation in digital payment solutions and program management approaches.

Conclusion

Effective card program management has become a crucial capability for businesses seeking to compete in today's digital economy. Whether through self-managed programs, outsourced solutions, or hybrid approaches, organisations must carefully consider their options and choose strategies that align with their business objectives and operational capabilities.

Success in card program management requires a comprehensive understanding of the ecosystem, strong attention to compliance and risk management, and a commitment to delivering exceptional customer experiences. As the payment landscape continues to evolve, businesses that master these elements will be well-positioned to capitalise on new opportunities and drive sustainable growth.

Launching a successful card program requires the right expertise, technology, and compliance framework. At Tap, we handle the complexities so that you can focus on growth. Ready to elevate your business with a white-label card program? Contact us to explore how our white-label solutions can fit your business needs.

Security tokens are digital representations of real-world assets like stocks, bonds, and real estate that live on the blockchain. Think of them as the bridge between Wall Street's traditional assets and crypto's 24/7, borderless trading potential.

And the momentum surrounding them is undeniable. While cryptocurrencies grab headlines with wild price swings and meme coins, security tokens have been quietly building the infrastructure for something much bigger: the complete digitisation of asset ownership. 

We're talking about trillion-dollar markets getting tokenised, institutional investors finally getting comfortable with blockchain, and everyday people gaining access to investment opportunities that were previously reserved for the ultra-wealthy.

But let's keep it real - this isn't just another crypto hype cycle. Security tokens come with serious regulatory frameworks, compliance requirements, and technical complexities that separate them from the wild west of early crypto. They represent the maturation of blockchain technology, where innovation meets regulation in ways that actually make sense.

Here's what you need to know: Whether you're a financial professional trying to understand the next evolution of asset management or someone just getting started in crypto, security tokens are reshaping how we think about ownership and investment.

Let's dive into the complete landscape - from how these tokens actually work to why they might just be the bridge that brings blockchain technology into the mainstream financial world.

What is a security token?

A security token is essentially a digital certificate of ownership that represents a stake in real-world assets. Think stocks, bonds, real estate, commodities, or even fine art - all living on the blockchain with smart contracts handling the heavy lifting.

Instead of paper certificates or digital entries in traditional databases, these tokens exist on distributed ledgers that anyone can verify. It's like having a tamper-proof receipt for your ownership that the entire world can validate.

The magic happens when you realise what this means for accessibility. That $50 million commercial building in downtown Manhattan? With security tokens, you could own a piece of it for a few hundred bucks. The barriers that kept regular investors out of premium asset classes are crumbling.

Side note: the cybersecurity context

Before we go deeper, let's clear up some confusion. "Security token" also refers to those little devices or apps that generate authentication codes for logging into secure systems. While that's not our main focus here, we just wanted to clarify.

How do security tokens work?

The tokenisation process

Say you've got a real-world asset - a luxury apartment building worth $10 million. Traditional finance would require massive capital, complex legal structures, and exclusive access to invest. Security tokens flip that script entirely.

The building gets legally structured into a digital framework where ownership rights are represented by blockchain tokens. Each token represents a fractional ownership stake, complete with rights to rental income, appreciation, and voting on major decisions.

The transformation isn't just technical, it's fundamental. Assets that were once illiquid and exclusive become tradeable, divisible, and globally accessible. At the risk of sounding dramatic, we're talking about democratising investment opportunities that have been locked away for centuries.

Blockchain mechanisms & smart contracts

Smart contracts are the secret sauce that makes this whole system tick. These aren't just digital agreements - they're self-executing programs that automatically handle compliance, distributions, and transfers based on predetermined rules.

This would look like dividend payments happening automatically when profits hit your smart contract, or voting rights that activate based on your token holdings. No intermediaries, no manual processing, no waiting for someone else to make decisions. The blockchain handles it all with mathematical precision.

The transparency factor is massive, too. Every transaction, every ownership change, every compliance check is recorded on an immutable ledger. A public audit trail that never lies and never disappears.

Security tokens vs. cryptocurrencies

Here's where things get spicy - not all digital assets are created equal.

Purpose and regulation differences

Cryptocurrencies like Bitcoin and Ethereum started as digital currencies or platforms for decentralised applications. They're designed to function independently of traditional financial systems, often with minimal regulatory oversight.

Security tokens play by completely different rules. They're subject to the same securities regulations as traditional stocks and bonds, which means SEC oversight, investor protections, and compliance requirements. This isn't the wild west - it's Wall Street with blockchain superpowers.

The regulatory framework actually becomes a feature, not a bug. For instance, Institutional investors who stayed away from crypto's volatility and regulatory uncertainty are jumping into security tokens because they recognise the legal structure and protections.

Common misconceptions

The biggest myth? That security tokens are just "boring crypto." Wrong. They're the bridge that brings trillion-dollar asset classes into the 24/7, globally accessible blockchain ecosystem.

Another misconception is that regulation kills innovation. In reality, clear regulatory frameworks are accelerating institutional adoption and creating the infrastructure for massive capital flows into tokenised assets.

Types of security tokens

Asset-backed security tokens

Equity tokens represent ownership stakes in companies, complete with voting rights and profit distributions. Instead of traditional shares, you hold blockchain tokens that prove your ownership and automatically handle shareholder benefits.

Real estate tokens are fracturing the property market in the best possible way. Commercial buildings, residential complexes, and even individual properties are getting tokenised, allowing investors to build diversified real estate portfolios with minimal capital requirements.

Debt tokens represent bonds and loan instruments, offering fixed income opportunities with blockchain's transparency and efficiency. Corporate bonds, government securities, and alternative lending products are all getting the tokenisation treatment.

Commodity tokens bring physical assets like gold, oil, and agricultural products into the digital realm, often backed by actual reserves and offering exposure without the complexities of physical ownership.

Utility versus security tokens

The distinction comes down to the Howey Test - a legal framework that determines whether something qualifies as a security. If you're buying a token primarily for investment returns based on others' efforts, it's likely a security token requiring regulatory compliance.

Utility tokens, on the other hand, are designed to provide access to specific services or platforms. Think of them as digital arcade tokens that unlock functionality rather than investment opportunities.

The lines blur sometimes, but the key difference is intent and structure. Security tokens are explicitly designed as investment vehicles with regulatory protections.

Side note: Physical security tokens (2FA)

Physical security tokens generate one-time passwords or cryptographic keys for secure system access. These range from USB devices to smartphone apps that create time-based authentication codes.

Benefits of security tokens

Fractional ownership breaks down barriers that have existed for centuries. Premium assets that required millions in capital are now accessible to regular investors. You can own pieces of multiple commercial properties, startup equity, and rare collectables with the same ease as buying stocks.

Global market access eliminates geographical restrictions and time zone limitations. Traditional markets close, but blockchain doesn't sleep. Your tokenised assets can trade 24/7 across global markets without the friction of traditional cross-border transactions.

Automation of compliance through smart contracts reduces costs and eliminates human error. Regulatory requirements, tax reporting, and investor protections get built into the token's code, creating compliance that scales automatically.

Liquidity transformation is perhaps the most revolutionary benefit. Assets that traditionally took months or years to sell can now trade instantly on secondary markets. Real estate, private equity, and fine art gain stock-like liquidity.

Cost efficiency removes layers of intermediaries and reduces transaction costs. No more armies of lawyers, brokers, and administrators for every transaction. Smart contracts handle the heavy lifting at a fraction of traditional costs.

Platforms like Polymesh are pushing these benefits even further with features like on-chain compliance engines and programmable permissions that make institutional adoption smoother and more secure.

Regulatory considerations

SEC and the Howey Test

The Securities and Exchange Commission uses the Howey Test to determine what qualifies as a security. The criteria are straightforward: investment of money in a common enterprise with the expectation of profits derived from others' efforts.

Most tokenised assets that represent ownership stakes or investment opportunities will qualify as securities, triggering registration requirements, disclosure obligations, and investor protection measures. This isn't a loophole-filled grey area - it's regulated financial territory.

The regulatory clarity actually accelerates adoption. Institutional investors and traditional financial firms know how to operate within securities regulations. Clear rules create confidence and capital flows.

Jurisdictional differences

The United States takes a securities-first approach, with the SEC actively regulating token offerings and secondary trading. The framework is comprehensive but creates predictable operating conditions for compliant projects.

The European Union has implemented the Markets in Crypto-Assets (MiCA) regulation, creating harmonised rules across member states. The approach balances innovation with investor protection, often providing clearer guidance than U.S. regulations.

Asia-Pacific markets show varying approaches, with Singapore and Switzerland leading in regulatory clarity while maintaining innovation-friendly environments. Each jurisdiction creates unique opportunities and compliance requirements.

Security Token Offerings (STOs)

STOs are essentially the grown-up version of ICOs, with legal structure and regulatory compliance baked in.

What is an STO?

A Security Token Offering functions like an Initial Public Offering but uses blockchain technology and tokenised securities instead of traditional shares. Companies raise capital by selling security tokens that represent equity, debt, or asset-backed instruments.

The process includes regulatory compliance from day one - securities registration, investor accreditation verification, disclosure requirements, and ongoing reporting obligations. It's the legitimate path for blockchain-based capital raising.

STOs attract institutional capital because they operate within familiar regulatory frameworks while providing blockchain's efficiency and transparency benefits.

Investing in STOs usually requires accredited investor status in most jurisdictions, though some offerings allow broader participation. Due diligence processes mirror traditional securities investments, with added technical considerations around blockchain infrastructure.

Real-world examples of security tokens

tZERO has tokenised equity in its own platform, creating a regulated marketplace for security token trading. Their approach demonstrates how traditional brokerage functions can operate on blockchain infrastructure.

Real estate tokenisation is exploding across multiple platforms. Properties in major cities worldwide are getting fractionalised, allowing investors to build geographically diversified real estate portfolios with minimal capital requirements.

The Polymesh ecosystem showcases institutional-grade security token infrastructure with built-in compliance, governance features, and identity management. Their projects span multiple asset classes and demonstrate enterprise adoption.

Tokenised traditional securities like bNVDA (representing NVIDIA stock exposure) show how existing public company shares can gain blockchain benefits while maintaining regulatory compliance.

Risks and challenges

Every revolutionary shift comes with growing pains, and security tokens are no exception. Here's what you need to navigate:

• Regulatory uncertainty - Despite improving clarity, rule changes, enforcement actions, and jurisdictional differences create ongoing compliance challenges for issuers and investors
• Market maturity - Limited secondary market liquidity, fewer service providers, and evolving best practices mean early participants face pioneer-phase risks
• Technology risks - Smart contract vulnerabilities, blockchain network issues, and custody challenges create unique security considerations at the intersection of traditional finance and bleeding-edge technology
• Token theft and fraud - Threats exist in both digital and physical contexts, making proper custody, security practices, and due diligence critical for protecting tokenised assets

Closing thoughts

Security tokens represent the maturation of blockchain technology beyond speculative trading into legitimate financial infrastructure. They're solving real problems - illiquidity, high barriers to entry, geographic restrictions, and inefficient intermediary systems that have plagued traditional finance for decades.

At this stage, the momentum surrounding security tokens suggests that security tokens will become a standard part of the financial landscape rather than a niche blockchain experiment. We're witnessing the early stages of a fundamental shift in how ownership and investment work.

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