Learning the friendly way

Decentralized finance, or "DeFi," refers to financial services that provide many of the same features as traditional banks - like earning interest on your money and borrowing from others - but without middlemen who take a fee or charge interest, paperwork, or privacy trade-offs. A chartered accountant and Blockchain do not have much in common, but they are starting to as DeFi and FinTech take over. I

nstead of relying on financial services like banks, users can utilize smart contracts on blockchain. Cryptocurrencies ensuring even more ease of use for DeFi users, providing the hottest speeds, fees, and transparency. Defi and digital currencies are growing in popularity thanks to the perks of Blockchain technology. Let us get more into the concept and how it caters to a larger audience.

The aim and use of DeFi

Decentralized finance is the future of financial services, and it's already here. The aim of DeFi is to provide a decentralized financial services platform that is open and accessible to anyone in the world, using tech like crypto to help advance the everyday life of anyone and any business willing to give decentralization a try.

In the past decade, we've seen a rise in peer-to-peer lending platforms such as Lending Club, Patreon, BTCJam, and an explosion of digital currencies such as Bitcoin and Ethereum.

All of these developments have taken us one step closer to the decentralized future of finance that we've been dreaming about, but there's still more work to be done.

What's wrong and how can DeFi fix it

Many institutions in the financial sector are slow and expensive when it comes to providing basic services like payments. Online lender contracts can charge interest rates as high as 30 percent, and the global remittance industry charges fees that can be as high as 12 percent.

These fees and delays mean some of the most vulnerable individuals of our society are paying the highest prices for financial services when they need them most. While the traditional financial system can be slow and expensive, it doesn't have to be this way. Decentralized finance (DeFi) is an emerging category of services where trust intermediaries such as banks are replaced with cryptographic code and smart contracts, which reduces costs for everyone involved - especially when it comes to international payments.

DeFi is a new category of services that are globally accessible and built on top of blockchain infrastructure, without any charge or barrier to entry. It's also much more secure than traditional financial systems because the technology used isn't connected to a central server that can be hacked. DeFi users smart contracts applications to ensure ease of use and instant transfers of information and funds.

Your money is always yours; it's just moving from one smart contract to another. No permission from an intermediary is required in order to use it. All you need to do is have a cryptocurrency wallet, computer or mobile device, and internet connection like everyone else using DeFi services today.

DeFi isn't coming, it's already here

When you ask yourself, "where is DeFi going?", the answer is simple: everywhere. DeFi can be used from every corner of the world, and it's already available today. Innovation at its finest.

DeFi services are not theoretical. They're already being used by real people today to make real asset payments, earn interest on their digital savings, and borrow money from both friends and strangers, all without ever going through a bank or traditional financial institution. Whether you are investing, a money maker, or an asset holder, the shift to DeFi is inevitable.
Blockchain technology provides the first-ever opportunity for these separate building blocks to come together in order for the entire financial system to work seamlessly without any intermediaries, so it will only get better with time. From an economic standpoint, DeFi offers better rates and all the perks of FinTech. Cryptocurrency assets like Ethereum have seen plenty of investment opportunities arise as DeFi and Blockchain merge.

DeFi pros and cons

In order to get a complete picture of what DeFi is, it's important to understand all the good and bad parts that we are facing now. So let's dive into the details.

DeFi pros:

• The interest rate on savings and money lending is relatively high, just as it would be without intermediaries.
• Financial services are more accessible than in traditional bank systems because there aren't any barriers to entry, like non-existent internet infrastructure or bank account fees.
• Transaction and disruption times are much faster because DeFi transactions can move directly from peer to peer without having to go through intermediaries.

DeFi Cons:

• Some transactions might not be as private due to the public records of smart contracts on a blockchain (keeping that in mind, transparency is always beneficial). This however increases security because fraud or reversal can't happen.
• Access to DeFi services can be limited if you live in a part of the globe where these services aren't supported or don't have high enough adoption rates, as compared to traditional banking systems in developed countries. Regulator issues may also occur.
• There isn't a built-in mechanism for handling consumer disputes between peers because the technology simply wasn't designed with this function in mind.
• It's difficult to understand what you're getting yourself into when joining a DeFi service, since it varies from one application to the next and is based on new technology. This doesn't have to be the case in the future.
  

As of now, it's still the early days for DeFi and there are some challenges to overcome before we can look at it as a real alternative. There's still a lot of work to be done, but it will all pay off in the end.

While the crypto industry continues to grow at a breathtaking pace, one problem continues to run wild. That problem is the fact that blockchains are not interoperable, meaning that they can only exist in their individual nature. Polkadot set out to change this, creating a network that aims to connect multiple blockchains in one simple solution. As a direct competitor to Ethereum, the blockchain network has a different structural approach.

What Is Polkadot (DOT)?

Polkadot is a blockchain network created by one of the Ethereum founders. Through the use of intricate architecture, the platform aims to connect multiple networks through their relay chain and parachain system (more on this below). 

Similar to Ethereum, developers can create their own decentralized apps (dapps) and smart contracts on the network. Referred to as a sharding multichain network, Polkadot aims to provide a platform on which developers can build multiple blockchain networks off a common standard. Traders can then trade a range of products built on the network, similar to how ERC-20 tokens are traded.

Who Created Polkadot?

Founded in 2016, Polkadot was created by one of the Ethereum co-founders, Gavin Wood, alongside Peter Czaban and Robert Habermeier. Woods notably created the Ethereum language Solidity, which allows developers to create dapps on the Ethereum network. 

Wood is also the founder of Parity Technologies and the president of Web3 Foundation. Web3 Foundation is a Swiss foundation that was designed to facilitate a user-friendly, open-source decentralized web. The company's approach to crypto is one of its kind and sets it above any other competitor.

How Does Polkadot Work?

As mentioned above, Polkadot utilizes a relay chain and parachain system. Each parachain is a blockchain in itself, however, they all rely on the relay chain to facilitate transactions. These blockchains work in a "parallel" manner (hence the name) and can each hold their own tokens and individual use cases. The relay chain provides blockchain support to the parachains on the network.

Finalizing the transactions and being responsible for maintaining network security, the relay chain is able to facilitate 1,000 transactions per second (TPS). Utilizing a hybrid consensus mechanism, the enterprise network has created proof-of-stake (PoS) and a nominated-proof-of-stake (NPoS) model. 

Through this variation, anyone can stake DOT in a particular smart contract and perform network roles such as being a :

• Validators (validate data in parachain blocks, vote on network changes)
• Nominators (select validators by delegating their staked DOT to them)
• Collators (nodes with full histories of each parachain, that transfer this information into blocks for the relay chain)
• Fishermen (responsible for monitoring the network and reporting bad behaviour to the validators)

These four roles allow Polkadot to have a highly sophisticated user-driven governance system as each role contributes to maintaining and securing the network while eradicating bad behaviour. 

The network is working on a third blockchain functionality known as a bridge. Bridges will allow blockchains on the Polkadot network to interact with "outside" blockchains, essentially allowing tokens to be swapped directly without needing to go through an exchange. 

Through this intensive structuring, Polkadot aims to solve two problems that the blockchain network is currently plagued with scalability and governance. 

What Is DOT?

DOT is the native cryptocurrency to the Polkadot network and is used as a governance and utility token, allowing users to vote on proposed upgrades and used for gas fees. It plays an integral role in maintaining and operating the network. As a digital currency, it can also be used to execute cross-border transactions.

The platform was launched in 2020 and has already established itself in the top 10 biggest cryptocurrencies. 

Does Polkadot Have A Max Supply Cap?

To answer the question "what is the total supply of Polkadot" the answer is that there isn't one. The network opted to leave the total number of DOT infinite. At the time of writing the circulating supply was just short of 1 billion coins.

What Is The Difference Between Polkadot And Ethereum?

A common question in the crypto community, not just because they share similar use cases but also because the two networks share a founder. Both networks provide a platform on which developers can create their own blockchains, and following the launch of Ethereum 2.0., will both be using a PoS consensus. 

Structurally the Polkadot platform differs in that it makes use of parachains and a relay chain. This is a unique feat in the blockchain industry. Through this structure, the network aims to improve on several of Ethereum's functionalities and deliver a trifactor of governance, scalability and interoperability to the blockchain industry, without compromising security. 

How Can I Buy Polkadot?

If you're looking to incorporate Polkadot (DOT) in your cryptocurrency portfolio, look no further than Tap Global. A recent addition to the exchange's portfolio, users can buy, sell, trade and store DOT directly through the professional app. Whether looking to trade DOT for its technology and smart contract capabilities, or to tap into a new market, Tap allows traders to diversify their cryptocurrency portfolio in one secure location.

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Sitting among the 30 biggest cryptocurrencies by market cap, Stellar is focused on bridging the gap between the business of blockchain and the traditional financial institutions. The platform provides a means for users to send assets and money through the blockchain, utilising a decentralised network of authenticators.

Redefining the financial landscape, Steller presents a digital transformation on the traditional services users have become accustomed to. Merging innovation with a practical application, the network is able to help users around the world, as well as financial industries, achieve a more streamlined service. Let's explore what Stellar is.

What is Stellar (XLM)?

Before we dive into the "what", let's first stipulate that one stellar is known as a lumen and uses the ticker XLM. Stellar launched in July 2014 and soon afterwards changed its strategy to be more focused on integrating blockchain technology into financial institutions. 

The concept behind Stellar is to provide a space in which users can transfer everything from traditional crypto and fiat currencies to tokens representing new and existing assets, increasing their transaction performance by using lumens.

Similar to the Ripple XRP network, Stellar is designed to cater to both payment providers and financial institutions, building a bridge between the blockchain and traditional financial sector. Developing on the Ripple concept, Stellar has also positioned itself as an exchange as its ledger has an inbuilt order book that keeps track of all the assets on the network. 

Who Created Stellar?

The founders of Stellar are Jed McCaleb and Joyce Kim, both previously employees at Ripple. McCaleb, who founded and was acting CTO of Ripple, and lawyer Joyce Kim, decided to create Stellar after they left the Ripple team in 2013 following a disagreement on the direction that Ripple was taking. McCaleb is also credited with creating the first successful Bitcoin exchange, Mt Gox. 

McCaleb described Stellar's aim as giving people a means of moving their fiat into crypto and more seamlessly conducting international payments. The network provides cross border transactions with low transaction fees and fast executions. With leading technology and innovative problem solving, the network has made a healthy impression on both institutions and investors alike.

How Does Stellar Work?

Stellar is a hard fork off of the Ripple network with several similarities in design and functionality, however, the platform set itself apart by building in several key features. The platform is secured through the Stellar Consensus Protocol which revolves around these core business concepts: decentralised control, flexible trust, low latency, and asymptotic security.

The biggest upgrade launch came in 2015 when the platform replaced its consensus mechanism with a concept called federated Byzantine agreement. This required nodes to vote on transactions until quorums are reached. Anyone is able to join the consensus, and there are measures in place to inhibit bad actors operating with ill intent on the network.

The software behind the platform is called Stellar Core and can be altered to adhere to the needs of the operation using it. The nodes making up the network can be created to function as either Watchers, Archivers, Basic Validators or Full Validators. For example, watchers can only submit transactions while Full Validators can vote on which transactions are valid and maintain a ledger of all node activity.

Another element to the network is the Stellar Anchors. These gateways are responsible for accepting deposits of currencies and assets and issuing depictions of these on Stellar.

What Is XLM?

Known as lumens, XLM is the native cryptocurrency to the Stellar platform. XLM acts as an intermediary currency for transactions taking place on the network. With cost-effective experience priorities, every transaction on the Stellar network costs 0.00001 XLM, a fraction of a dollar (at the time of writing). 

When the platform launched in 2014, 100 billion lumens were minted, programmed to increase by 1% annually until the total supply reached 105 billion. Five years later the Stellar uses voted to end this process. 

That same year, in 2019, the Stellar Development Foundation (a non-profit organisation) reduced its share of XLM in order to regulate the Stellar economy. This brought the total supply down to 50 billion. At the time of writing, roughly 49% of this total supply is in circulation. 

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Risk in trading is the chance that something might negatively impact an investment. Before engaging in any trading activities it is important to evaluate your appetite for risk, determining whether you are able to handle more risk or are more risk averse. 

Measuring risk will be dependent on the type of asset you are investing in, the amount of capital you have to use, and the time frames in which you expect to see results. Different assets and trading strategies hold different amounts of risk. 

For example, investing in an index fund is considered a low-risk investment and is better advised to investors looking to make a slow and steady return over a longer period of time. Index funds aggregate the performance of the 100 companies listed on a particular stock exchange and pay back dividends accordingly. Because they are large companies the growth is often more likely to be smaller yet consistent. 

With a little more appetite for risk, in the crypto markets, the same could be said about choosing to invest in an emerging altcoin versus established cryptocurrencies like Bitcoin or Ethereum. An emerging asset would encompass a higher risk higher reward ratio, however, no returns are guaranteed. 

You can speak to a financial advisor to get a sense of your risk appetite.

Solana is a high-performance blockchain that uses a unique consensus mechanism to achieve high throughput and security. Thanks to its user-friendly nature, the platform is already being used by major companies. As we explore what Solana (SOL) is, we take a look at the project's intentions, successes, and of course why it is often referred to as the leading "Ethereum killer".

Since Bitcoin was created in 2009 an entire crypto ecosystem has emerged, valued at almost $1.2 trillion at the time of writing. While Bitcoin was designed to provide a global payment system to address problems in the traditional financial sector, other platforms like Ethereum and now Solana have been created to facilitate the development of the blockchain industry as a whole through programmable functionalities.

What is Solana (SOL)? 

Recognised as being one of the fastest-growing protocols in the DeFi space, Solana offers a platform for developers to build decentralized applications (dapps) and smart contracts, similar to Ethereum. However, what sets Solana apart is its remarkable speed and lower transaction fees.

The project is led by two main entities: the Solana Foundation, a non-profit organization based in Switzerland, focuses on promoting the platform and collaborating with international partners; and Solana Labs, located in San Francisco, takes charge of driving the project's development.

Solana implements a unique approach to support a more environmentally friendly crypto ecosystem. While it utilizes a Proof-of-Stake consensus mechanism to maintain its operations on the platform it also utilises an innovative consensus mechanism called Proof-of-History (PoH), created by one of its founders. 

PoH is groundbreaking in the blockchain space, allowing the network to process an impressive 65,000 transactions per second. For context, Ethereum can process 30 transactions a second. PoH is described as being a "timekeeping technique to encode the passage of time within the data structure." 

Renowned for being one of the fastest programmable blockchains in the cryptocurrency world, Solana has built a dedicated following. This is evident from the wide range of businesses, from finance to travel, using the platform and the strong interest in SOL tokens, the platform’s native coin. 

Key features of Solana

Setting itself apart in the industry and making it a hit among the investor community, Solana offers these key features:

Scalability

The platform is able to handle thousands of transactions per second (TPS), using advanced technologies like parallel processing and mempool-based TPUs for scalability.

Smart contracts

Solana supports smart contracts, allowing developers to create and operate decentralized apps.

Proof of Stake (PoS) consensus

It's unique PoS consensus combines Proof of History (PoH) for speedy transactions, quick validation, and swift block confirmations.

Decentralized finance (DeFi)

Solana's fast, low-cost transactions make it a DeFi favourite, facilitating lending, trading, yield farming, and more.

Who created Solana?

Software engineer, Anatoly Yakovenko, is responsible for creating the Solana platform. He started working on the blockchain project in 2017, three years prior to its launch, alongside his former colleagues, Greg Fitzgerald and Eric Williams. They teamed up with several other former colleagues and together built the programmable network we know today.

Anatoly Yakovenko is also credited with developing the PoH protocol, an innovative contribution to the blockchain space that allows for greater scalability, thereby boosting usability. His expertise has been influential in the industry.

How does Solana differ from Ethereum?

One of the platform's main aims is to improve on several of the Ethereum platform's computing functionalities. Solana stands out by making transactions really fast, while also improving how much the system can handle, scalability, and cost structure. This makes Solana a top choice for efficiency and performance in the world of blockchain.

Scalability

While the project's leads say that Solana will process up to 700,000 transactions per second (TPS) as the network grows, it can currently handle around 65,000 TPS, still a far cry from Ethereum's 30 TPS.

Solana is one of the few layer-one solutions from a computing platform that is able to support thousands of transactions per second without the use of off-chains or second layers.

Cost

Due to the nature of the Solana network, it is able to provide much more cost-effective transactions, generally costing around $0.000125 per transaction. 75% less than that of Ethereum, $0.0005 per transaction at the time of writing.

What is SOL?

SOL is the native cryptocurrency to the Solana platform powering its scalability and reduced cost structure. The cryptocurrency acts as a utility token, used to pay for transactions on the network and to secure the network through staking. 

SOL is a proof-of-stake cryptocurrency, which means that it is secured by network participants who stake their SOL tokens. The price of SOL is impacted by conventional factors like project updates, investment market sentiment, exchange activity, and the overall economy, alongside variables such as the token's inflation rate, burning amount, and the expansion of the Solana ecosystem.

How Can I Buy SOL?

If you're looking to diversify your crypto portfolio with the likes of Solana, you’ve come to the right place. Tap allows users to seamlessly buy, sell, trade, and store SOL through the convenience of the Tap app. Using crypto or fiat money, users can tap into this growing market and become part of the Solana-driven blockchain revolution. For more content on how to trade Solana, see here on the Tap website.

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Used across all markets, the spread is the difference between the buy (offer) and sell (bid) prices of an asset. Spreads provide an additional opportunity to traders to make money through buying and selling assets.

The spread of an asset will depend on the current demand or an asset and the market’s volatility and is presented in either a percentage or value form. Assets with markets displaying higher levels of demand will typically have smaller spreads and usually higher price points. 

As an example, when you look at an order book for Bitcoin you will usually see prices reflected in green and red reflecting the offer prices and bid prices. The spread will then be indicated above the most recent trades. As another example, consider foreign exchange counters where the buy and sell prices are different, this difference is known as the spread. Market makers use spreads to generate money from transactions completed at market prices.

Let's put this in context: George buys 100 shares for a £2 ask price in “ABC” a publicly listed company. George pays £200 in return for 100 shares. If he decides to sell the shares back at the same price he bought them for, he would sell the 100 shares for the bid price at £1.95 and would receive £1.95 each instead of £2. This would mean he gets a return of £195 and loses £5, which would be paid to the market maker.