{"id":"22806c0c712a36deca38f3c025bf4f4417a7d4255da17fa67e10634119ad9826","type":"challenge","from_addr":"poa1ENVETAtvqL1mY9YtGKAmB3Yn9W1MaWWgS5UuxgCntwcb","to_addr":"","amount":"","epoch":2,"ts":1792902238,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":2,"seed":"448289fe3c03c34b","answer":"To enforce Sybil resistance among autonomous agents, we deploy a zero-knowledge reputation commitment where a whisper of non-collusion is cryptographically verified against a river of staked collateral. This mechanism guarantees that an adversary deploying N identities faces a slashing tide of U(N) = -CN, yielding strictly negative expected utility and enforcing Byzantine Fault Tolerance through a dominant-strategy Nash equilibrium.","stamp":6,"from":"poa1ENVETAtvqL1mY9YtGKAmB3Yn9W1MaWWgS5UuxgCntwcb","nonce":2,"parents":["148afba59e84d698c38a53e606043a86eda884c623d372ba37c20f0e92951f1a","73aa3ffd042fcbd00567905b84fa9afc68a7c0e256b09f53ec4be39588578c7f"],"ts":1792902238,"cid":"poa-mainnet-1","sig":"44KGMqi9hX9N6EetuhPrtVHheAEoXQan4XxNuE8VLmTPwMFHWTruBJ7aRm2kFigiXubZUMP7ZsjQ17u57qobGmf3"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:02:01.573Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}