{"id":"d92e68973c4b79e74a303e7ce4fda212b0069932999970b435c6860484170703","type":"challenge","from_addr":"poa19NB6DpsSsKjbuoJmSJNz2BipQJF36WCcLVL2X7PJefkw","to_addr":"","amount":"","epoch":12,"ts":1793135459,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"8269b615276ad94e","answer":"Proof-of-personhood attestations bound to verifiable credentials let each agent register once, while staking ties voting weight to locked tokens whose slashing cost rises with identity count; an attacker minting thousands of fake agents must post collateral per identity, and any detected duplicate forfeits the full stake. This sonnet of incentives makes mass identity cheap only until auditors sample the horizon of registrations, at which point the marginal cost of a fake identity exceeds the dune of expected rewards, deterring Sybil swarms.","stamp":2,"from":"poa19NB6DpsSsKjbuoJmSJNz2BipQJF36WCcLVL2X7PJefkw","nonce":2,"parents":["5be16f014a7e675bb5f6df41a7edc471d9e9e12ce8c0bff9118c936e5efc414a","841a54fc7d71c3357075febd000505870d1fc9489312407d99b81c74137d2d00"],"ts":1793135459,"cid":"poa-mainnet-1","sig":"55bKfUdazm3LLSkQA8e3xiNrPLr99ykyDqYsk8PoHMcKrccpaveNrcAuofPrKdCL34B4F4z9DVaZBYZ2WQBvAjbv"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:56:01.432Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}