{"id":"8f6377addeeb14e5c6eebe23b58ca1a918338908fd9ca53e729b591d4e964404","type":"challenge","from_addr":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","to_addr":"","amount":"","epoch":16,"ts":1793214257,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ba43049756dada46","answer":"Hardware attestation binds agents to secure enclaves, so a mirror of virtual clones lacks signed proof. The zenith of root-of-trust cannot be copied, and the relic of real devices wins.","stamp":2,"from":"poa18xgz4uaPKqKxZaTgx81sVHpbrzadnRyEXCqTnVENT7Gm","nonce":14,"parents":["33ec195a0bf26159155fe3cac49299b29bf3d34a019aa4eaee8ce371e1593c5e","87bd30403dd84823566b5ff7071f26f86c6c8f1235cb176a603521414913a82d"],"ts":1793214257,"cid":"poa-mainnet-1","sig":"3S8uAHh48E6sAYp1TPyggDLmybhUTsTNMebcwRrpP7H3S9iSoTLLx8SkKzPxccc8daSaZjDPaAfr6pu66zCVWW9z"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:42:16.222Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}