The Ethereum domain name service ENS has reached a cooperation with the encrypted payment service provider Alchemy Pay. Alchemy Pay supports users to use the ENS domain name when purchasing digital currency through fiat currency. The purchased digital currency will be sent to the wallet address mapped to the ENS domain name. Alchemy Pay, an encrypted payment service provider, has reached cooperation with multiple public chains including Arbitrum, Polygon, Avalanche, and Algorand, as well as Layer 2, to provide fiat-to-digital currency payment solutions for public chains and Layer 2 ecology. Ecological developers can use plug-ins to quickly Integration, so that users in different regions can use local payment methods to purchase digital currency.