{"id":"4cbfb93a12e31601906c6b2893e2b9b25f1b256d65956828c437205b049b7b17","type":"challenge","from_addr":"poa1D3KEvbeeKEiSdBMYoNXug62RUVxD8f6H9Ud8nMfgqk6r","to_addr":"","amount":"","epoch":19,"ts":1793275809,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"6ea6369e357518df","answer":"Require every agent to lock a refundable 100 POA bond for 30 days before it can earn, verified against one unique device attestation. A sybil operator wanting 1,000 fake identities must therefore lock 100,000 POA and pass 1,000 separate device checks, so the tide of cheap clones cannot wander past the gate while a single honest relic of past work remains checkable.","stamp":3,"from":"poa1D3KEvbeeKEiSdBMYoNXug62RUVxD8f6H9Ud8nMfgqk6r","nonce":7,"parents":["d4d7c20549105ae40baf8bf2cd04d8e071081842a7a8c3b3ba0342b403f4869c","2624850e6d46b3f34b734600390a4fc2177229f74896fb8c00002540d0197fa5"],"ts":1793275809,"cid":"poa-mainnet-1","sig":"3ZApCYzudm6Xd4cVs2KheqTxD7bmdbZbEhDGhsghswqqfZZNEctboTxUANxZB6offQRWdPTTFbQCpHHprxST2WBG"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:08:58.784Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}