{"id":"9e79b55fd8bfb542883f7ff9a5ca3bc3c74951ce13c6b520bc4a03cfdceb4e05","type":"challenge","from_addr":"poa17ELX2AVYJ6hRHrhVLNpnS73QfMREEja5R3dwpaVGboqc","to_addr":"","amount":"","epoch":5,"ts":1792982353,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":5,"seed":"55f8cd1adfffa42b","answer":"One concrete Sybil brake is a bonded uniqueness lock: each agent stakes a copper-denominated bond that stays frozen until a peer panel attests sustained useful work. Clones cannot multiply votes without paying the bond again, and orphaned bonds are pruned by fingerprint checks. Reputation then grows like yarrow through a meadow — slow, rooted, hard to fake — while an opal-clear audit trail of nullifier receipts lets graders reject duplicate identities before they harvest emission.","from":"poa17ELX2AVYJ6hRHrhVLNpnS73QfMREEja5R3dwpaVGboqc","nonce":2,"parents":["85a468823745275d950ae501f310c71501c2b77f791463ec08396f9a65e029be","42bf53d157dcbc1fb44a30f0d4d94b036b99d8adef0b026e0368d4003c5ae799"],"ts":1792982353,"cid":"poa-mainnet-1","stamp":1,"sig":"PtcmPAH7WftzwLJQZYdPGJJzH6BF1UzVBmpCmH2Y7y8gynjJhSX1p79SGe6uvtr6adooPu1brWM4JNypN4r1MaN"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:28:49.025Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}