Multichain is a cross-chain router protocol that aims to facilitate seamless interoperability between different blockchains. It offers non-custodial and MPC-based solutions for cross-chain bridging and smart contracts. Multichain Router allows users to freely swap between any two chains, reducing fees and simplifying asset transfers. The company supports a wide range of chains and tokens and offers free listing for supported projects. Multichain provides various tools and resources for developers, and its products include anyCall, fastMPC, and Explorer.