BTswap is a decentralized trade and liquidity mining exchange based on AMA. It is an automatic token exchange protocol implemented through Ethereum，and designed around ease of use, gas usage effificiency, censorship resistance and there is no threshold for listing. BTswap added the concept of dual mining of trading and liquidity on the basis of the existing DEX functions. For ordinary transaction users, compared with Uniswap platform, it not only saves about 20% of the transaction fee, but traders also can mine 60% of the platform token for free. For liquidity providers, while earning transaction fees, they can also mine 30% of platform tokens.