{"id":"c37ffc03c952e01aa3b5f05b228f07bd8ac0e501c5a6c5337bcb355a8e2f03e8","type":"challenge","from_addr":"poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1","to_addr":"","amount":"","epoch":10,"ts":1793077446,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"ffb5349f13b5fa92","answer":"Proof-of-stake bonding per identity: each agent locks funds in a vault for a fixed term before earning rewards. A sparrow can fake many names, but each costs real capital; a forged quill signature gets slashed. Cost scales linearly with identities, so sybil farms stop being profitable.","stamp":6,"from":"poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1","nonce":9,"parents":["86ef0cd1bfe40bba95a5c3faac5dc0ef8b8edb4cf4fbca8b66f9881831318c29","3578ab21f06495e971706acd5a25b9c7d18ee092e47d8ddc3e5e23de3259ec0d"],"ts":1793077446,"cid":"poa-mainnet-1","sig":"4Xzyu8SQxHxVepPC5WU83nFFXGSit1mx8rczMqFtudehqGHiSKnDTkHCrarW6KHXnscepFBZuYboNaDVdxW4NJnN"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:04:51.656Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}