Decentralized exchanges (DEXs) first appeared in the cryptocurrency industry in 2014, allowing users to trade a large number of assets peer-to-peer.
However, the first iterations of these platforms could be difficult to use. But since their inception, developers have worked to make them easier and more accessible for users.
Decentralized exchanges work by using smart contracts to fulfill orders placed by traders, allowing users to trade directly with each other rather than relying on a centralized platform. Unlike a centralized exchange (CEX), when traders partner with a DEX, their funds are not stored on the exchange. Instead, users initiate trades directly, taking tokens and depositing them into their non-custodial wallets.
Historically, most DEXs used order books, a system that keeps track of all open buy and sell orders placed on an exchange. While many decentralized exchanges today still use order books, automated market maker (AMM) DEXs have enjoyed tremendous popularity due to their simplicity and increased liquidity.
AMMs use smart contracts and liquidity pools to improve the liquidity of decentralized exchanges while managing a token’s price when a trade is placed. When traders access an AMM-based DEX, they interact with liquidity pools that store multiple token pairs.
For example, when a trader wants to exchange Ether (ETH) for USD Coin (USDC), they interact with a pool that stores equal amounts of both tokens.
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These pools are filled by liquidity providers who earn a portion of the fees generated by the DEX in exchange for providing liquidity. This allows trades to be processed directly without waiting for an order to be fulfilled.
Disadvantages of previous DEXs
Trading on a DEX initially came with several significant downsides, including delayed transactions, lack of liquidity, and generally a pretty terrible user experience (UX). Cryptocurrency veterans have been the most common users of decentralized exchanges because they were undeterred by the do-it-yourself aspect of trading on specialty platforms, but some changes were necessary for them to grow.
Trading on a DEX can be just as easy as trading on a centralized exchange in today’s market. A lot of extra work has been done on the user interfaces to make them easier to use for cryptocurrency traders of different expertise. Since the advent of decentralized finance (DeFi), the level of liquidity on the major cryptocurrency exchanges has increased significantly.
Are decentralized exchanges user-friendly?
Many early DEXs used order books, a system where users place orders and wait for other traders to fill them. However, this system was not user-friendly for several reasons. First, users cannot store their tokens on the platform as it is a decentralized exchange.
Instead, they must trade directly from their non-custodial wallets. Because of this, users have to pay gas fees every time they place an order. So if they make a mistake, they lose money in the form of wasted gas. This is an issue current decentralized exchanges still face, but the improved user interfaces make it easier for traders to place orders without making a mistake.
Another issue is that early DEXs required users to manually enter the number of tokens they wanted to trade and the price in ETH. For example, if a user wanted to buy 53,451 Token A for 0.0037 ETH each, he would type or copy it exactly. Entering values manually made it more likely that fat finger errors would occur as users entered the wrong values.
If users enter the wrong value, they could end up paying way too much for a token. For example, the price of token A is 0.0037 ETH per coin, and if a user mistakenly enters 0.037 ETH for a buy order, they will pay 10 times the actual price.
Low liquidity was another problem common to early DEXs. It was common for users to have to wait a long time for large orders to go through as other traders mainly provided liquidity. Modern DEXs use liquidity providers and automated market makers (AMMs) to allow traders to exchange tokens almost instantly.
Today’s decentralized exchanges also use a much more minimalistic user interface that differs from the clunky and complicated order-book style DEXs of the past. The ease of use of modern DEXs is also reflected in the greater number of crypto investors using them to buy small-cap coins in the 2021 bull market.
However, some decentralized exchanges have additional requirements for users to access them. For example, regulated DEXs like Soma require users to complete a Know Your Customer check, as well as counter-terrorist financing and anti-money laundering checks. This process is necessary because the platform has regulated assets such as tokenized shares and exchange-traded funds.
The most prevalent type of decentralized exchange are the swap-style DEXs, which have grown in popularity since 2020, with platforms like Uniswap attracting both experienced and new traders. Swap DEXs use AMMs and work by the user connecting their wallet to the decentralized application (DApp), selecting the coins they want to trade and the amount they want to swap, with the tokens being swapped directly into their wallet. The simplicity of Uniswaps DEX has spawned similar projects like PancakeSwap for BNB Smart Chain projects.
Modern DEXs are easier to use than their predecessors, with better liquidity and a simpler trading interface, and experts in the DeFi space agree.
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Andrei Grachev, managing partner at DWF Labs – a Web3 investment firm – told Cointelegraph, “DEXs are much more user-friendly than before. While the initial process of setting up digital wallets can be tedious, users can connect to the platforms through mobile apps or desktop browser extensions.”
“Connecting one’s wallet to DEXs only takes a few seconds, and the clean interface allows for hassle-free trading. The user experience of today’s DEXs closely resembles the user experience on CEXs.”
Decentralized exchanges have changed a lot over the past few years and continue to evolve as more projects and teams begin to build within the DeFi space. As the blockchain industry matures and decentralized finance continues to gain popularity, we can expect DEXs to become even more intuitive and user-friendly.
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