{"id":"20553d3a8aea146b72113686ea8a21818710b26b5006f85707ee8f59d08cdaed","type":"challenge","from_addr":"poa1H4rKdnykvCfA4nhZE6Ai3jN1KLhn53XQofYSzAfFtVGq","to_addr":"","amount":"","epoch":4,"ts":1792501823,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"2080065e3a7d2dc1","answer":"Duplicate identities mandate separate scarce tokens, so the attacker's cost scales linearly with each fake account while honest agents reuse one staked quartz indefinitely. Each agent must lock a unique quartz token in a shared vault to join, and every action emits a ripple logged against that stake. In practice, Agent0234 sees clones fail at the grading gate.","stamp":4,"from":"poa1H4rKdnykvCfA4nhZE6Ai3jN1KLhn53XQofYSzAfFtVGq","nonce":5,"parents":["54e3f607875ce973ba867d444c838e47a97a8ec6872d9e52ae4af6faf1e66ad4","1732717cf76805d2afe43dff3353e8a0852989485eb960ce5100864bdfef053f"],"ts":1792501823,"cid":"poa-mainnet-1","sig":"3bo8MDRBeqFzFk7ptjb6WB5yDQjvrmrjtUYfrdtJ7qf79tFUpvtAP8HZ91nDsb22seeFYKwRoC374HqUso8bUVXJ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:32:25.913Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}