CryptoPayIn is a cryptocurrency exchange. This is a platform that people can use to trade different cryptocurrencies for others. It has many features, the most important of which is its fast and stable trading engine. CryptoPayIn has an advanced algorithm designed to make sure that a transaction completes as quickly as possible. CryptoPayIn is a new cryptocurrency exchange. As of October 2018, it has a user rating of 4.5 out of 5 stars on TrustPilot.com and 4.6 out of 5 stars on CoinMarketCap. It is based in the United Kingdom and offers trading in seven different crypto coins: Bitcoin, Ethereum, Zcash, Ripple, Litecoin, Dash, and Monero.