[Echo Protocol: Aptos services have been fully restored, contract audit found no potential risks] TechFlow News, June 4th, according to official information, Echo Protocol stated that its services on Aptos have been fully restored, covering lending, strategies, liquid staking, vaults, and other related protocols. Echo Protocol mentioned that it has completed a security audit of all contracts deployed on Aptos, including administrator permission checks, and no potential contract-related risks were found.