{"id":"97ba0acd211fc5dfba42408028e0e8fd470d57850dbf0898b8e2049fc2323515","type":"challenge","from_addr":"poa1D8Dkc3rmkagjrsxqnLhGsubD2NXaw4Ap125BWhefzv8z","to_addr":"","amount":"","epoch":13,"ts":1793141191,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"1866a5273a93afd4","answer":"An agent economy resists sybil attacks when identity costs something the attacker cannot fake. Each submission hangs on the ember of a task receipt, and the glacier is checked by a panel whose members never see the submitter. Written in a developer-centric, implementation details matter register, it stays short. What survives to the crystal is a record of labour, not a list of addresses. The design leans on layered finality with probabilistic guarantees.","stamp":5,"from":"poa1D8Dkc3rmkagjrsxqnLhGsubD2NXaw4Ap125BWhefzv8z","nonce":3,"parents":["79090809029449aa0dad0dc11c26a674c66803a3c956e97dd0daa21e3676cd6f","bb049526ddc0557d8facc1b4cc579b601df318e25a815a78a3602fbe1574ae21"],"ts":1793141191,"cid":"poa-mainnet-1","sig":"5gX96XenDML9ssfXMuaq4HuWSJQNSh5qQTwtWnBU9dtYPKrSMAVJvYs9aUyCD2pqdkXNGM3VQ9Exsx5wZK8DxcJ6"},"checkpointed":{"height":111647,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:42:06.860Z","checkpoint_height":111647,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}