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Decentralized Exchanges (DEX)

Decentralized exchanges (DEXs) are cryptocurrency trading platforms that allow users to trade assets directly with one another without relying on a central authority. DEXs operate on blockchain technology, using smart contracts to facilitate trades, which removes the need for intermediaries like centralized exchanges. Because they are non-custodial, users retain full control over their funds, reducing the risks associated with hacking and third-party control. DEXs typically offer greater privacy, as they don't require personal identification, and they provide more security since users hold their own private keys.

Example

Uniswap, a popular DEX on the Ethereum network, allows users to swap ERC-20 tokens directly from their wallets.

Key points

Non-custodial and decentralized, offering greater security.

Users trade directly, without relying on intermediaries.

Popular in decentralized finance (DeFi).

Quick Answers to Curious Questions

A DEX allows direct peer-to-peer trading without intermediaries, while a centralized exchange controls users' funds and executes trades.

Risks include smart contract vulnerabilities, lower liquidity, and potentially slower transaction speeds.

Most DEXs support specific tokens, such as ERC-20 on Ethereum, so availability depends on the network the DEX operates on.
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