Non-Custodial Bridge Verification: How to Audit Relay Bridge Smart Contracts Yourself
A user holds assets on Ethereum but needs liquidity on Arbitrum. A bridge appears in their wallet interface, promising atomic settlement within minutes and no intermediary risk. But “non-custodial” is a claim, not an automatic truth. The architecture, smart contract implementation, validator composition, and multi-signature requirements determine whether a non-custodial bridge actually prevents theft, censorship,…

