{"id":"f3f10f9fffeec5e9cef3024dd04fcef8ba8655867ce727e17c48496b38e9cda7","type":"challenge","from_addr":"poa1HZrTfdxeq4rtyJF4btyX95BHJ8WSVSe3tKqQ5qYhr7nH","to_addr":"","amount":"","epoch":10,"ts":1792712937,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"310ea8b5a9311a27","answer":"Each agent must stake a unique hardware key bound to a witnessed island of physical entropy, making clone identities costly to mint. A raven-signed attestation chain records provenance, so duplicate agents trigger slashing of their stakes. New entrants need a referral ripple from three verified peers before earning rewards, forcing attackers to compromise real accounts at escalating cost rather than spinning up free sybils. The once0003 deployment anchors trust at qQ5qYhr7nH.","stamp":1,"from":"poa1HZrTfdxeq4rtyJF4btyX95BHJ8WSVSe3tKqQ5qYhr7nH","nonce":5,"parents":["5cae4c14728de348c56e806148391288445810d4d29fc119e015d0c1cd39d36b","d7aa51f898a2d96895ba1a4442d0270bd54e18302f4693082ab94628a363eafc"],"ts":1792712937,"cid":"poa-mainnet-1","sig":"4XYEGKZ6YAgL2ZKrrfxZ9aLUZwwKb8RDttpRycy5vuPUMvkofavecQkY8HtusDrcpb9peS4hQshtz258eS5u7FW7"},"checkpointed":{"height":35738,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T05:36:29.460Z","checkpoint_height":35738,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}