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      Uniswap (V2)

      Uniswap (V2)

      Rank #25
      Fiat Support
      --
      Launched
      United States of America , 2018-11
      Margin trading
      --
      #Coins/#Markets
      1469/1652
      24h Trading Volume
      $155,722,074
      2,513.93 BTC 2.24%
      Proof of reserves
      --
      LastMonthVisits
      9,287,756
      Alexa Rank
      --
      Twitter Followers
      1,078,792
      Cybersecurity
      --

      Uniswap (V2) Trade Volume Charts (24h)

      About Uniswap V2

      Uniswap V2 is the second iteration of Uniswap, a popular decentralized exchange (DEX) protocol that allows users to swap any ERC20 token for another, provide liquidity to earn fees, and access price oracles on the Ethereum blockchain. In this article, we will answer some of the most common questions about Uniswap V2 and its features.

      What is Uniswap V2 and how does it work?

      Uniswap V2 is an upgrade from Uniswap V1, which was launched in November 2018 as a proof-of-concept for a new type of DEX that uses a constant product formula to determine the exchange rate between two assets. Uniswap V1 only supported pairs between ETH and an ERC20 token, and required liquidity providers to deposit both assets in a 50/50 ratio.

      Uniswap V2 introduces several new features and improvements, such as:

      • ERC20 / ERC20 pairs: Uniswap V2 allows any ERC20 token to be paired with any other ERC20 token, without the need for ETH as an intermediary. This enables more diverse and efficient liquidity pools, as well as better prices for traders. For example, a DAI/USDC pair could provide low-volatility liquidity for stablecoins, while a WBTC/ETH pair could offer exposure to the price of Bitcoin on Ethereum.
      • Price oracles: Uniswap V2 implements a novel mechanism that enables highly decentralized and manipulation-resistant on-chain price feeds. This is achieved by measuring the relative price of the two assets at the beginning of each block, and accumulating historical data over time. This allows external smart contracts to query the time-weighted average price (TWAP) for any pair over any interval, with minimal gas costs and oracle risks.
      • Flash swaps: Uniswap V2 enables a new type of transaction called flash swaps, where users can receive any amount of any asset from a pool and use it elsewhere on the chain, as long as they pay back the amount plus a fee at the end of the transaction. This opens up new possibilities for arbitrage, margin trading, collateral swapping, and more.

      What are the benefits of using Uniswap V2?

      Uniswap V2 offers several benefits for both traders and liquidity providers, such as:

      • Low fees: Uniswap V2 charges a flat 0.3% fee on every trade, which is split among all liquidity providers proportional to their stake in the pool. This fee is lower than most centralized exchanges and other DEX protocols, making Uniswap V2 an attractive option for trading small or medium-sized amounts.
      • High liquidity: Uniswap V2 leverages the network effects of Ethereum and its large ecosystem of ERC20 tokens to provide high liquidity for any pair of tokens. Anyone can create a new pair or join an existing one by providing some amount of both tokens, increasing the depth and availability of the pool. Moreover, Uniswap V2 uses an automated market maker (AMM) model that adjusts the price according to supply and demand, ensuring that there is always enough liquidity for any trade size.
      • Permissionless access: Uniswap V2 is fully decentralized and non-custodial, meaning that anyone can use it without needing to register an account, verify their identity, or trust a third party with their funds. Users have full control over their assets and can trade or provide liquidity at any time, without worrying about downtime, censorship, or hacks.
      • Transparent pricing: Uniswap V2 uses a simple and transparent pricing mechanism that is determined by the constant product formula and the current reserve balances of the pool. Users can easily calculate the exact amount of tokens they will receive or pay for any trade, without any hidden fees or slippage. Users can also access reliable and trustless price oracles for any pair, based on the historical data of the pool.

      How to use Uniswap V2?

      Uniswap V2 can be accessed through its official website uniswap.org, which provides a user-friendly interface for swapping and providing liquidity. Users can also use other third-party applications or wallets that integrate with Uniswap V2, such as Zapper, 1inch, MetaMask, and more.

      To use Uniswap V2, users need to have some ETH and ERC20 tokens in their Ethereum wallet, as well as some gas to pay for the transaction fees. Users can then select the pair of tokens they want to trade or provide liquidity for, and enter the amount of tokens they want to send or receive. The interface will show the current exchange rate, the expected output amount, and the estimated gas fee. Users can then confirm the transaction and wait for it to be mined and executed by the Ethereum network.

      Users can also view their liquidity positions, claim their fees, and remove their liquidity at any time through the interface. Users can also monitor the performance of their pools, such as the volume, fees, price, and liquidity, through various analytics platforms such as Uniswap.info, Uniswap ROI, Uniswap Vision, and more.

      What are the risks of using Uniswap V2?

      Uniswap V2 is a relatively new and experimental protocol that involves several risks for both traders and liquidity providers, such as:

      • Smart contract bugs: Uniswap V2 is based on a set of smart contracts that have been audited and tested by reputable security firms and experts, but there is still a possibility of undiscovered bugs or vulnerabilities that could compromise the functionality or security of the protocol. Users should be aware that they are using Uniswap V2 at their own risk and discretion, and that they could lose some or all of their funds in case of a smart contract failure or exploit.
      • Impermanent loss: Impermanent loss is a phenomenon that occurs when the price of the tokens in a pool changes relative to each other. This causes the pool to become unbalanced, and the liquidity providers to hold less valuable tokens than if they had kept them in their wallets. Impermanent loss is only realized when liquidity providers withdraw their funds from the pool, and it can be mitigated by providing liquidity to pairs with low volatility or high correlation, or by holding the liquidity tokens for a long time until the fees outweigh the loss.
      • Price slippage: Price slippage is the difference between the expected price of a trade and the actual price at which it is executed. Slippage occurs when there is not enough liquidity in the pool to support the trade size, causing the price to move unfavorably for the trader. Slippage can be reduced by trading smaller amounts or choosing pools with higher liquidity, or by setting a maximum slippage limit in the interface.
      • Oracle manipulation: Oracle manipulation is a type of attack that involves manipulating the price oracle of a pair by executing a large trade right before the end of a block. This could affect other smart contracts that rely on the oracle for their logic, such as lending platforms, derivatives, or synthetic assets. Oracle manipulation can be prevented by using longer time intervals for querying the oracle, or by using other sources of price information.

      Uniswap (V2) Team

      Hayden Adams
      Hayden Adams
      Founder of Uniswap
      coincarp partner

      Uniswap (V2)'s Announcement

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      Uniswap (V2)'s Coin

      Coin LAST PRICE/CHG
      Uniswap's logo
      $9.51
      6.76%