Uniswap is an AMM-type DEX. It is a representative DEX with a large number of users, and in addition to Ethereum, it also operates on Polygon, Optimism, Arbitrum, and Celo.
The number of users and daily transaction amount are among the largest in the world
Uniswap is an AMM-type DEX that runs on smart contracts and is led by a company called Uniswap Labs. Although there is a company that leads the development, the direction of operation and development is decided by voting by the DAO. Uniswap's swap fees are very low and it is available 24 hours a day. The ease of use, which only requires connecting wallets, is probably the reason for the large number of users.
In an AMM-type DEX, transactions are made through pooled crypto assets rather than connecting wallets between users. Therefore, in the AMM type, incentives are paid to those who deposit crypto assets into the pool to maintain the amount of crypto assets in the pool and ensure liquidity of transactions. If you deposit funds into the pool, in addition to interest, a portion of the fees paid by the user at the time of the swap is returned, so there are benefits for the depositor as well. Naturally, Uniswap also adopts this incentive system.
Although Uniswap has many benefits, its use also comes with risks. First of all, Uniswap is not permitted under Japanese law. Although it is not illegal, use is at your own risk and users are not protected. In addition, fiat currency cannot be traded on Uniswap. You need to purchase the underlying cryptocurrency at a real exchange.
In addition, if you make a profit by swapping between cryptocurrencies that can be exchanged for fiat currency, you will be taxed. Consult with an expert to avoid unknowingly committing tax evasion. In addition, there are many scam coins that take advantage of the fact that any cryptocurrency can be swapped.
Uniswap is a very easy-to-use tool for understanding DeFi. That's why you should be sure to understand the disadvantages before using it.
Advantages
Decisions are made by the DAO
Just connect to your wallet and you can use it
Supports yield farming
Cryptocurrency swaps can be done at low cost
Disadvantages
Not approved by Japanese law
Swaps with Japanese yen are not supported
Tax calculations are difficult
There are many scams among the currencies in circulation
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Iolite Vol.14
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MAGAZINE
Iolite Vol.14
July 2025 issueReleased on 2025/05/30
Interview Iolite FACE vol.14 Charles Hoskinson, founder and CEO of Cardano/Input Output Global
PHOTO & INTERVIEW Mariko Mabuchi
Special feature: "Considerations on cryptocurrency-related policies in Japan and the US", "Blockchain guide from Japan", "Huge position liquidation occurs at Hyperliquid! A new, unanticipated crisis in decentralized finance", "Sakana AI, a generative AI startup from Japan that is attracting a lot of attention", "Prepare for a recession: correlation between finance and anomalies"
Crypto Journey: "Web 3.0 from the perspective of the 'King of Debate'" Interview with Hiroyuki
Special series: Virtual Nishi: "Cryptocurrency market trends and key points for interpreting them"
Series: Tech and Future Toshinao Sasaki, etc.