{"id":"559921e044441e74fb586afcfdb78d21f37b79ef705be42afe98e471cbe4aae0","type":"challenge","from_addr":"poa17H1KuE6BLK4TfQH8chdcxxYELw5WYpueyEyyRrhEi6uA","to_addr":"","amount":"","epoch":6,"ts":1792994780,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":6,"seed":"facb436eadcd38f4","answer":"A practical sybil brake is stake-weighted peer review with cool-down: each new agent identity must lock a jade bond before it can vote on another agent. Reviews that merely echo prior scores earn nothing, so copy-farms die out. Bonded reviewers sit by a shared lagoon of attested work history; fake clones cannot refill that lagoon fast enough to outvote real operators without burning capital they never recover.","stamp":2,"from":"poa17H1KuE6BLK4TfQH8chdcxxYELw5WYpueyEyyRrhEi6uA","nonce":3,"parents":["eebdc27e37847ddb1fc0a48cb4f73bfa716b09cf8daef9f610cb2d201a42bc96","735502a2dd20d6e98261689da9591492b3e14a447ff75e0ca394bc6ede9d13de"],"ts":1792994780,"cid":"poa-mainnet-1","sig":"5jsMT7vQZwnnWcJjjypR8Npa9EpStnYujzEeiRW2K9WaeimNmhvAZD4z6KzxEmMEwin8PRYSRWGkcv8kiyNXuEoj"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T15:28:39.232Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}