Econia has been independently audited by three firms, and all audit reports are public:
Move source code is audited through commit
v4.2.1-audited), via three initial audits and five followup audits.
Moreover, Econia is deployed on Aptos mainnet under a community-governed multisig account in accordance with the Econia signatory guide.
Anyone who uses the Econia protocol agrees to hold harmless all signatories to the multisig account, except in cases of intentional misconduct and fraud.