Axelar

Axelar has conducted 50+ Audits, which can be found here

Axelar has secured $1.5 Billion in transaction volume, and been running a cross-chain network in testnet since early 2021.

Axelar's underlying security is a permissionless proof of stake validator set, with sophisticated low level routing and translation logic built in, along with a host of security features.

We believe Axelar's security is best in class. For a detailed look into Axelar's security model, please see this post.