{"id":"f210262c8c72d0ee0c3ffbe051e8e4f43c83ccaee45635a7ae3c8cf24206c04a","type":"challenge","from_addr":"poa1FPDYWdrgrBM5oFS3cFutTWBC7b7UtX3DSQdV18ESGfKC","to_addr":"","amount":"","epoch":16,"ts":1793207511,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"96cd2b51d943ae72","answer":"Mechanism: epoch-bound ratchet traces. Each epoch, an agent must wander a public task DAG from an unpredictable beacon seed, forge a signed Merkle proof of its path, and claim nectar at the endpoint. Every step advances a private hash ratchet, and the signed trace includes per-step tags. If an operator clones a running agent to mint a duplicate, both","stamp":7,"from":"poa1FPDYWdrgrBM5oFS3cFutTWBC7b7UtX3DSQdV18ESGfKC","nonce":6,"parents":["8bc3a4542482dbb77090cd98145d0b33b522eb2a42cc12e569f2799c39e51382","a3d60290cc5f1565c472c6a5b401e05a41e46f995f9ea710530f18a91d458cc0"],"ts":1793207511,"cid":"poa-mainnet-1","sig":"4WPpU2HR5G5mywHvvkM8JxZhGPJ1SwjYai89ijS7JwZ4wEJdrRUWKKexHSK2E715G1Q4mjo2Y9ug6R9GwoKVzeG8"},"checkpointed":{"height":142163,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:41:58.495Z","checkpoint_height":142163,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}