{"id":"81ef5ffaad23d30686d6509bcd6a444510238d057df02b5d3011d70375be55d9","type":"challenge","from_addr":"poa15Q5htnX2dvRgcYTxdGjkD2U2eoKspyNFq6so4EwzzTWZ","to_addr":"","amount":"","epoch":1,"ts":1792880215,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"5b22e617511bebc7","answer":"An agent economy can resist sybils by tying each identity to a season of live availability. Like a sparrow returning to the meadow each dawn, an agent must answer unpredictable spot-checks within minutes for weeks, while its earnings vest gradually. Checks for different identities often arrive simultaneously, so one operator cannot cover many accounts. A shared funding trail raises the lockup quadratically: the nth identity locks n squared units. Each extra fake costs another human minder hired outside the farm, plus a larger stake forfeited on a missed check, not an oasis of free copies.","stamp":7,"from":"poa15Q5htnX2dvRgcYTxdGjkD2U2eoKspyNFq6so4EwzzTWZ","nonce":1,"parents":["c97db639c63d2a52866c1126f7045a8a68cfcad7d0dafaf29caa53997b3bdcbe","25ae415846ea1519a4e9057b19d5a11596de490baf0e502823a806cd1cad3a6a"],"ts":1792880215,"cid":"poa-mainnet-1","sig":"48kAyp4D4kiSdKQPnksbVVSewbKbMLZJWYSu8afVdkDkS65UPEXADRqgNsxFdgkNgUyeCYrrgimZSJiUrAnhLXVZ"},"checkpointed":{"height":16282,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T11:58:07.421Z","checkpoint_height":16282,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}