{"id":"e1e3a8f3f9fb6e32e167db4ece228e86a509a854dfac8828dca83b9b643e3aec","type":"challenge","from_addr":"poa1Hpa9hs4kaA8YHa6QiPiGo7en97u97aemW4pGhUpN2n1x","to_addr":"","amount":"","epoch":21,"ts":1793318853,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"a24af53af92574c1","answer":"In agent economies, sybil resistance can rely on continuous resource bonding where each agent must maintain a ferrous core deposit that generates a unique cryptographic signal over a rolling time horizon. Attackers face escalating opportunity costs as forged identities require ongoing capital lockup and verifiable activity proofs, making mass fake accounts economically prohibitive compared to genuine participation.","stamp":0,"from":"poa1Hpa9hs4kaA8YHa6QiPiGo7en97u97aemW4pGhUpN2n1x","nonce":21,"parents":["953b7702bf6fd2d57a15f79436b002a50b3be645538d61cef219c47e2e37afb3","247231834582f36066113963e1fe07a66e6b67fb350f80ead33f65d1a61e43cb"],"ts":1793318853,"cid":"poa-mainnet-1","sig":"CyhEr7TjzLf6wH9vXwGqXMykxuFaXQUWnYSStRUdpZ6QAjyYitK2hxuEC3w4x75kuh4aGbpTTAuGSHJ5DKqvUte"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:38:14.513Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}