Omni is the interoperability layer for Ethereum. It will serve as the core infrastructure powering all modular applications on Ethereum.

A Bitcoin-powered, EVM-compatible blockchain that combines delegated Proof-of-Work and delegated Proof-of-Stake.

StarkWare is a ethereum layer-2 scaling protocol and one of main zk-rollup solutions. Starkware builds StarkNet( a permissionless decentralized ZK-Rollup) and StarkEx(a standalone permissioned Validity-Rollup）, both layer-2 scaling solutions for Ethereum using zero-knowledge rollup technology.

Axelar is a decentralized cross-chain communication network, aiming at leveling up interoperability in Web3 by connecting heterogeneous blockchains and enabling asset mobility and program composability in an optimized way for both builders and end-users.

PolyHedra is an infrastructure for Web3 Interoperability with cutting-edge zero-knowledge proof systems.

Nibiru is a sovereign proof-of-stake blockchain and a member of a family of interconnected blockchains that comprise the Cosmos Ecosystem.