t3rn has been created to offer a fresh approach to the problem of blockchain interoperability – the ability for blockchains to communicate and interact with one another. t3rn offers fast, secure and cost-efficient swapping, optimizing cross-chain executions by leveraging the modular layers of the t3rn stack for storage, validation, settlement and consensus. t3rn is the modular interoperability layer, offering superior swapping for users and powerful modularity for builders.