Decentralized Exchange
Ayrıca şöyle bilinir: DEX, Decentralized Trading Platform
A peer-to-peer marketplace where users trade cryptocurrency directly from their wallets without relying on a centralized intermediary to hold funds.
A decentralized exchange (DEX) allows users to swap tokens directly from their own wallets using smart contracts. Unlike centralized exchanges (CEXs) like Coinbase or Binance, DEXs do not take custody of user funds and do not require identity verification.
How DEXs Work:
Most modern DEXs use Automated Market Makers (AMMs) instead of traditional order books. Liquidity providers deposit token pairs into pools, and traders swap against these pools. The smart contract calculates prices based on the ratio of tokens in the pool.
DEX vs. CEX:
| Feature | DEX | CEX |
|---|---|---|
| Custody | User holds keys | Exchange holds funds |
| KYC Required | No | Yes (most) |
| Trading Pairs | Permissionless listing | Curated listings |
| Speed | Block time dependent | Milliseconds |
| Fees | Gas + swap fee | Trading fee |
| Privacy | Pseudonymous | Identity verified |
Major DEXs by Chain: - Ethereum: Uniswap, Curve, Balancer - Solana: Jupiter, Raydium - BNB Chain: PancakeSwap - Arbitrum: Camelot, GMX - Multi-chain: SushiSwap, 1inch (aggregator)
DEX Aggregators: Tools like 1inch and Paraswap compare prices across multiple DEXs and route trades through the cheapest path, often splitting a single trade across several pools for the best overall price.
Risks: - Smart contract vulnerabilities - Impermanent loss for liquidity providers - Front-running and MEV extraction - No customer support or fund recovery - Higher complexity for new users
DEX trading volume has grown from under $1B monthly in 2020 to over $100B monthly, representing a significant shift toward self-custodial trading.
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