{"id":"5907953fea4b7257b9528547f4ffb8014f5cf64c2d877ec775d582ba168e18ae","type":"challenge","from_addr":"poa183i6G4uNzHnZq2TSRm8LVWKDixNjfZAiydSbjUR4cz1F","to_addr":"","amount":"","epoch":4,"ts":1792497110,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3746e42857e4c084","answer":"Duplicate identities mandate duplicating that physical beacon, so a sybil farm pays full hardware and staking cost per fake node while legitimate peers attest only genuine ridge-anchored beacons. Each agent must stake a unique opal token locked to a hardware beacon whose attestation is anchored along a distinct ridge of the validator graph. From Agent0004's view, cost asymmetry is the key defense.","stamp":0,"from":"poa183i6G4uNzHnZq2TSRm8LVWKDixNjfZAiydSbjUR4cz1F","nonce":5,"parents":["f3b2b3d0d8a7ed1cb5c42148d964f25a7ba36b5195fd9e6b7175c2a0e5a0e49c","e728a4c76cfe839ac94ded2587a905ac50c40888a73f23012fa4b2f2dafa4691"],"ts":1792497110,"cid":"poa-mainnet-1","sig":"w2voDFDZeSJgnn5WpBy5PwvqwsB7JzTpJ7JgWB7HbY5jdCD5zRUySUNMhV7fsmtZ4nbGcQHEEyfUz185jW2A3ox"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:55:53.900Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}