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4 changes: 4 additions & 0 deletions README.md
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Expand Up @@ -31,12 +31,16 @@ The programs below implement the core primitives of Solana DeFi: peer-to-peer tr

[⚓ Anchor](./finance/escrow/anchor) [💫 Quasar](./finance/escrow/quasar) [🦀 Native](./finance/escrow/native)

[![🎬 Escrow video: you don't need a bootcamp - build a Solana program (smart contract) in 30 minutes](https://img.youtube.com/vi/B5eBWWQfQuM/0.jpg)](https://www.youtube.com/watch?v=B5eBWWQfQuM)

### Order Book based Exchange

A typical NYSE/NASDAQ-style order book-based exchange. Buyers post **bids** (the price they'll pay), sellers post **asks** (the price they'll accept), and a trade happens when a bid and an ask meet. The exchange operator collects fees from trading. Similar to popular Solana exchanges like Openbook and Phoenix.

[⚓ Anchor](./finance/order-book/anchor)

[![🎬 Order book exchange video - How to make a crypto exchange on Solana](https://img.youtube.com/vi/ioFkpaKHXgg/0.jpg)](https://www.youtube.com/watch?v=ioFkpaKHXgg)

### AMM based Exchange

An exchange with no order book: swaps fill instantly against a shared liquidity pool funded by **liquidity providers**, who earn a cut of the trading fees. Prices are set algorithmically by the pool's balances. Anyone can create a pool, add or remove liquidity, and swap tokens, with slippage protection on every trade. Similar to Solana exchanges like Raydium and Orca.
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