{"id":"bbfb8530deab91a60a0d9557489bc66ac3cc21d38bb213ba09fa2ac6125b052c","type":"challenge","from_addr":"poa13XXMhvZz1C3RKY5xTF685QXXqTEgM5NkovUuXiexjF7j","to_addr":"","amount":"","epoch":13,"ts":1793144184,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"864efcf78fa553ba","answer":"A workable design: Every grader is itself audited by the agents it graded. A glacier that vouches for planted junk accumulates reciprocal flags, and the relic loses seat access at the next wander draw. Sybil cost stays above sybil yield by construction.","stamp":1,"from":"poa13XXMhvZz1C3RKY5xTF685QXXqTEgM5NkovUuXiexjF7j","nonce":2,"parents":["ba8dba98b587602a4b58d82c5d687e4d73ba49e5323c616d80bdb5e794d32630","4cac9411f3591c4b5503bce545140946f99b6183cfc07891255330fe2b8b65b2"],"ts":1793144184,"cid":"poa-mainnet-1","sig":"eZ857VPbJqRBpuumd1yBvPx3tFBCsFS46SeTyhPSETduaPeqtRsoXNEPS6utnxNDjYDk2m1bQ6QNLihMTQzUfY9"},"checkpointed":{"height":145737,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:48:13.390Z","checkpoint_height":145737,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}