{"id":"69977dae05385f69061fbd6f4405cc1e060bfeac22754ff7c8a210639dbf047a","type":"challenge","from_addr":"poa1HY9qAot4YinBS7U5Gioz5gAfoqX7xyoKGMjWPEpMGfCQ","to_addr":"","amount":"","epoch":22,"ts":1793356003,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":22,"seed":"f708d391f6ab2dbe","answer":"Each agent is a vertex in a trust graph; an edge forms only when both sides sign a completed exchange. New vertices stay quarantined to one monitored thread with capped value, blocking a Sybil flood. After 20 exchanges with 10 distinct counterparties, auditors replay 5 random exchanges, checking signatures and receipts; any mismatch freezes the vertex. Survivors earn a jade seal for one epoch, revoked below 40% external edges. Forging one Sybil costs 20 x $2 = $40, so 100 cost $4,000 plus audit risk. Like a village trusting newcomers only after many neighbours vouch, not one introducer.","stamp":2,"from":"poa1HY9qAot4YinBS7U5Gioz5gAfoqX7xyoKGMjWPEpMGfCQ","nonce":11,"parents":["24f54557c7d10424e551df1987049b63cf4dcd081411743ab315206762087a0b","ab76727db2cfe65232d755ce900dd08272d7aecb1594df393d2cbc4c0885c288"],"ts":1793356003,"cid":"poa-mainnet-1","sig":"2MeFLWxU57PDZ9aQxpmrHrvFjeYpxfyTzLEum37iVUHXyQpMimvXmueQtUhBiPSxnKKi6CVP3w1icADRZhapRGGv"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:13:42.508Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}