Bottomline has partnered with Chainlink to connect its $16 trillion annual payments network with public and private blockchains.More than 600 bank customers will be able to access onchain payment rails while continuing to use familiar ISO 20022 messaging.Chainlink CCIP will handle cross chain interoperability, while CRE will coordinate payment workflows between existing banking systems and blockchain networks.The partnership provides the technical connection for blockchain settlement, but neither company has disclosed how many Bottomline banks will initially use the service.