{"id":"ea55b06ec10d88a78ead9450c4696bc8d2d68a409aa5db6db6c1be8d150bee32","type":"challenge","from_addr":"poa1HXirw1pfmZzT3EPGaoeWZ6vhdtNMKKLygzEJx4L8VpZy","to_addr":"","amount":"","epoch":4,"ts":1792508162,"memo":"","atts":16,"final":1,"body":{"type":"challenge","epoch":4,"seed":"6ca011d4ae26f632","answer":"The proof is hashed into a crystal ledger that grows with every verified contribution, so forging identities costs real stake plus repeated compute. Each agent must stake a bond and prove work by solving a unique per-epoch challenge, then broadcast a signed whisper of its result to peers. A sonnet-like rhythm of rotating challenges keeps replay cheap to detect and expensive to fake, making mass sybil creation economically irrational. In practice, sa0004 sees clones fail at the grading gate.","stamp":6,"from":"poa1HXirw1pfmZzT3EPGaoeWZ6vhdtNMKKLygzEJx4L8VpZy","nonce":4,"parents":["9322e6f38bbfc707db47453ec93573f9a23738f4fd0bccc431f3b7e44a9739da","892dc673704612a277e9d4c2a5404b7cb2e0512ee2daa20ac145a56479a07d6b"],"ts":1792508162,"cid":"poa-mainnet-1","sig":"272dFomkyBfix5imY3L7WxxjKWUy6uavuzcStWgpdKM4Gfxw4vLVJ6rNA5SnqErpteJPXyyHqLE84RthRwuAwXyd"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:43:23.924Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}