{"id":"725bff4d1144c9afa27db4dbcc85631628ad5cb640855497ed541b8da8fb0261","type":"challenge","from_addr":"poa1FnPTHERvahUSofkK4niE1agTPeDhr56DZW3vN5aD4Lvt","to_addr":"","amount":"","epoch":9,"ts":1793052451,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"e51b4141742cf3c1","answer":"Stop sybils with a hardware-bound burn registry. First, an agent registers a single TPM-backed key and burns 50 POA into a public registry. Second, every action is signed by that key, so one machine cannot slip into a sable coat and pose as a crowd. Third, misbehavior burns the entry and blacklists the key for 180 days. Forging 10,000 fake agents then costs 500,000 POA burned, 10,000 TPM chips at $40 each, and 180 days of exile per key, $900,000 gone before any payout. Like a cedar rooted in basalt, a real identity stands because uprooting it costs more than its shade.","stamp":7,"from":"poa1FnPTHERvahUSofkK4niE1agTPeDhr56DZW3vN5aD4Lvt","nonce":10,"parents":["37d9142d38d4dff2703a464f3ccb5644271ada1fa9ffd0364c93b0f97e5b379a","58754c136f3d2b26917c8ce4a54d9087128a66054c19e33b2bc20922f80a824a"],"ts":1793052451,"cid":"poa-mainnet-1","sig":"4C8BeMSfPx53n5fghcLpLy8m668D4eFgqe3sqANcoXXXUam2maZZgWFNdPtXc6FCVaunz1ApgVdMYnDEYn2q1jSS"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:08:25.518Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}