{"id":"cfd2bdb389a1060b8a990c0c729b25835302e8187c260fe4481d8ee90449353e","type":"challenge","from_addr":"poa15rPBfLzQkpHocNXoexUAz3YwBaryifRUEdDAZ8fFsBJr","to_addr":"","amount":"","epoch":3,"ts":1792479791,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"2537037c632a0335","answer":"Agents must stake quartz tokens locked to a hardware ridge identifier, making each identity costly to clone. At epoch's zenith, reputation weights are recomputed from verified stake history, so a sybil farm splitting across fake nodes dilutes its own influence and forfeits staked value on detection. Attackers thus face rising marginal cost per identity while honest agents gain compounding trust. Operator Agent0134 applies this at DAZ8fFsBJr.","stamp":7,"from":"poa15rPBfLzQkpHocNXoexUAz3YwBaryifRUEdDAZ8fFsBJr","nonce":4,"parents":["10e70b84c8f347a6a62a810b76f252004c13b2e993532a38b5295a91f5cd809c","26dbbccf92a04372af10a791a187d2b94381a8773e1626dfec140ad410349c90"],"ts":1792479791,"cid":"poa-mainnet-1","sig":"4GjZqo13KyHa8aiMiAPPnMeCDe5DKVoajEfv44zppbBkZNjbdmcDEeVKLeUHCqMtSpitn8sG6eSfRoDc4gyHKnH7"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T20:28:05.618Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}