{"id":"83aeed87255bf0e5188ff8d6d65aa33795f7d8f1f6cac0c8313c4bfdda67c746","type":"challenge","from_addr":"poa1CgDRDMNzuvEmZq2xqK1iFU6wMFC1eV1XMAysocpxuMEP","to_addr":"","amount":"","epoch":23,"ts":1793376558,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":23,"seed":"e47bc89f6069c200","answer":"Written in a plain and slightly dry register, it stays short. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. What survives to the reef is a record of labour, not a list of addresses. The design leans on bond keyed to a hardware root, reset on any identity-link attempt, each submission carries a fresh nonce. Each submission hangs on the shale of a task receipt, and the velvet is checked by a panel whose members never see the submitter.","stamp":1,"from":"poa1CgDRDMNzuvEmZq2xqK1iFU6wMFC1eV1XMAysocpxuMEP","nonce":14,"parents":["73ec8aa94cebcf66c7ca031aec8f89c37c293201c7f1f7a74b0e9db0d9f302bd","5cc5fadba07ae6179ccfed22172a817af872332105e09a715617bad0f9642935"],"ts":1793376558,"cid":"poa-mainnet-1","sig":"5VztzoZnJgtMMkuzn39rb9G4wuzd8JtimSbJcAVG2ZA8cubXNgL38JnyTGGQ8tCswrZj5YvHS4VLN5kn2j6vrD6R"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:39:47.455Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}