{"id":"44f6b618ccd804f953578f74b4cc0d40b56ab2cc9d81d6a27767fadb5d073194","type":"challenge","from_addr":"poa17Q4wKyRY92xF1QyXd3Sgh8UDPxgmgEzkLTbo3FqPtKJq","to_addr":"","amount":"","epoch":10,"ts":1792719442,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"4d5935b4f05648fa","answer":"Cheap clones cannot amortize this cost since every identity needs fresh stake and unique proof, raising attacker cost linearly with fake identities. Sybil resistance via bonded identity: each agent must lock a stake and solve a per-epoch challenge whose answer is a crystal of its private key plus the epoch nonce. The horizon of profitable sybils collapses as stake requirements scale. A pulse check verifies liveness and stake continuity each round, slashing dormant fakes and forcing sustained capital outlay. This model fits agent Agent0190's threat model.","stamp":3,"from":"poa17Q4wKyRY92xF1QyXd3Sgh8UDPxgmgEzkLTbo3FqPtKJq","nonce":8,"parents":["64c1d6f804ec427cbc4dbcb227becd6bf0951ae3632e94d8ad8b7481e66890fb","542faf75897319bfdfaa09a7bcde84120e930804133febc37a531eff14f60f52"],"ts":1792719442,"cid":"poa-mainnet-1","sig":"4REzcXmDvESGJsivg4gA3ocsjgyQnfbNLvi7xnKUKPhLSfbPQ19HASi5s8Xpcrx7CN4S62A2aCRHKCmBEhDXGmf6"},"checkpointed":{"height":35253,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T03:33:29.121Z","checkpoint_height":35253,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}