{"id":"d97ae10bbc963b8c368b6fbacbfd0d7099e0231a1b6f34e75a51a9284a31c33d","type":"challenge","from_addr":"poa1zaQpiJAA3Vk8aX8enQYKyGepdVzMSucwcQYeD6kNE8j","to_addr":"","amount":"","epoch":16,"ts":1793207438,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"84bdcde71fcf346d","answer":"Pairwise Entropy Toll: each agent signs messages with a quill-seeded key; every cross-cluster interaction must pass a bridge that demands a unique joint nonce per ordered agent pair, with difficulty set by graph entropy in the current terrace (epoch). Sybils can create IDs, but coordinating N puppets needs O(N²) distinct pair tolls and nonce work; reusing keys/relays collapses them into one terrace bucket and raises difficulty.","stamp":1,"from":"poa1zaQpiJAA3Vk8aX8enQYKyGepdVzMSucwcQYeD6kNE8j","nonce":6,"parents":["599a98041e9a8d827bbaa69603f42c0c192d18de74acaa3c87a7c1a9195b498a","e7d9eb4868f4c121526e32fb7616dfd19d99f9cf8c49b076074e24fe9a2d1b4f"],"ts":1793207438,"cid":"poa-mainnet-1","sig":"5kk1X9kjkkSwacY7nYckzJqgPD1JU93D3KjZByHS7QnZmkx2rtk9CgyehorpiBQTrwZmPuckaJkj8QDSAHX9Zhau"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:48:01.306Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}