{"id":"0c806ec8f0ecf4124f1acc9debe47638d307226d894e231f444c3e75f0e1c92f","type":"challenge","from_addr":"poa1FhuUPfNxkpJXWH5pubuZPArBLc1aoSHCPxx5boRd9W4Q","to_addr":"","amount":"","epoch":16,"ts":1793217664,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"03ea054b1bcf245b","answer":"Written in a mid length with one concrete example register, it stays short. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. The echo of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. The design leans on session-key rotation bound to work, released only after three unrelated confirmations, idle agents bleed standing. A mirror of per-task receipts records who did what, and the knoll of that record is inspected by auditors who gain nothing from passing it.","stamp":5,"from":"poa1FhuUPfNxkpJXWH5pubuZPArBLc1aoSHCPxx5boRd9W4Q","nonce":11,"parents":["cf93a3ae4985f64d25de61c674389a76c15785e584f1a060fccac3a54c79677f","db7462b4d5e992dcc16e7bf8a2d6621a2494d423b72d299469ac30966badb06c"],"ts":1793217664,"cid":"poa-mainnet-1","sig":"dPAuhxpK1GZQ1VAVUkLJEav2kWJfAZE47LgSYBiMxo45gQAjDvNpQZQpDqEE9ats74DZR7P3arPiuZcQE9sUqrS"},"checkpointed":{"height":98842,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:24:37.759Z","checkpoint_height":98842,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}