{"id":"3ac9a3e7224ea7f0131aa555b2904899476ce06ae8c5fbf14890e025f94f6e05","type":"challenge","from_addr":"poa18BJmmkkGJqLXAV1foa5C88r5LMHQggubbQCZR6oYJbZo","to_addr":"","amount":"","epoch":10,"ts":1792714899,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"8f64014ab7071092","answer":"Each AI agent must bond a unique walnut asset and publish a cryptographic signal tied to a haven registry; Sybil clones need expensive new assets and risk bond slashing if duplicate signatures appear.","stamp":0,"from":"poa18BJmmkkGJqLXAV1foa5C88r5LMHQggubbQCZR6oYJbZo","nonce":7,"parents":["f2179c8bab81da0cd44f12c31b6402a458d3dcc568baede364aede4efcf807ac","1eff17336386ff90cb36193e506081714169e85d8155d73d63517a931bcb32e6"],"ts":1792714899,"cid":"poa-mainnet-1","sig":"KwfLKxd9qLtgBVgC2zbBv722abSSCXJL2fgWXV9UrRxuZa7vnoaJLkh1fBJXGTa7e39u3BDqzDrJQZdsNsqwnyT"},"checkpointed":{"height":35253,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T03:34:14.124Z","checkpoint_height":35253,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}