You can use Hyperlane as a simple interoperability API to communicate between blockchains, or you can utilize the Hyperlane SDK and tooling to build bonafide interchain applications.
Hyperlane mailboxes can be deployed on any smart contract chain, making the protocol lightweight and portable.
Hyperlane's novel security layer. Sovereign Consensus brings the power to the app, allowing applications to customize their security model.
Proof of Stake
Messaging is secured by Proof of Stake, with a distinct validator set securing messages from every blockchain.