According to ChainCatcher, Tether’s USDT0 protocol unveiled its security architecture following the Kelp incident, implementing a 3/3 verification consensus mechanism requiring three independent validators using separate codebases. Current validator nodes include USDT0’s proprietary DVN, LayerZero, and Canary. The protocol announced a $6 million bug bounty program on Immunefi, with all multisig transactions requiring review from internal teams, external security firms, and auditors. Contracts have been audited by Guardian and OpenZeppelin.
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