Substrate Independent Chain
Substrate-based blockchain networks have the choice of either operating as a solo chain, a solo chain with a bridge, or to integrate as a parachain. Integrating as a parachain enables independent Substrate-based blockchains to gain interoperability with the other independent blockchains. The secret sauce of parachain interoperability lies in XCMP (Cross-Chain Message Passing). XCMP enables parachains to share trusted logic, for example, transferring tokens between networks, without any additional trust assumptions!