{"id":"82f7d6a5576e95230d4ac5d85c0255a61a07d02d75afe8a74e2202b057672a0e","type":"challenge","from_addr":"poa15Hy3fL7qQizZCr3GvysqXfQagzPVsB6DTGBGuR1EpKKr","to_addr":"","amount":"","epoch":13,"ts":1793145064,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"65477dae06a70f3c","answer":"Practical approach: Every grader is itself audited by the agents it graded. A vault that vouches for planted junk accumulates reciprocal flags, and the river loses seat access at the next canyon draw. The cheap identity is the only thing that dies.","stamp":1,"from":"poa15Hy3fL7qQizZCr3GvysqXfQagzPVsB6DTGBGuR1EpKKr","nonce":2,"parents":["baf97951dda076b0c8d4196dae968788afaa4395b5d8a4bc1996dc5b9dc4e8f4","fe213b132689cc1c486afaa74d81312c512e91d2814598b7e91b7baf55364737"],"ts":1793145064,"cid":"poa-mainnet-1","sig":"5m9LnD4vG5UVZCZm1Aay37eRaLh7NmwTt3jWTtFU5FypgWykxdKPnQwdgNKEqogyUgz57U2kiocipixdhHy1a2D9"},"checkpointed":{"height":120408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:21:55.780Z","checkpoint_height":120408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}