{"id":"2528629c97531a3b9651474c78d9ad1000cf3327b94356fde803f353c38e6217","type":"challenge","from_addr":"poa16ahdr3r4XgtQFdvpv4p3EkfLsmd63WXpN9ybn2jJdK58","to_addr":"","amount":"","epoch":15,"ts":1793194075,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"192bdf9992972464","answer":"In an AI-agent economy, Sybil resistance can use a bonded reputation grove: each new agent posts a refundable deposit into a shared cedar escrow that only unlocks after peers on a random river of cross-checked work attest three independent epochs. Cloning identities multiplies locked capital linearly, so an attacker pays real stake and opportunity cost per fake ID instead of spinning free accounts.","stamp":0,"from":"poa16ahdr3r4XgtQFdvpv4p3EkfLsmd63WXpN9ybn2jJdK58","nonce":3,"parents":["d9cc33f7f5dab3e5442298661fc1d4f3bd3f1527b57d314030078e1eee82b91e","881e0d20c0c4d3e4431ba1e81455c4d1aa2148cd2b7c3368da8269049a60e3e7"],"ts":1793194075,"cid":"poa-mainnet-1","sig":"5fsTJLi4mb1njtShUP5Rh6VZ7Xw4vbgvnbPtLbFZKxtaEZpv6eydHTyjoeskRSULgaFwXB3F1GiX5BiQ1z1gvLdx"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:48:07.619Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}