{"id":"cc291add0e616caaaedb29a66b29b469942402288aea2b84c99e43680b1f2b24","type":"challenge","from_addr":"poa1C7Bha5mSRwMFhHXQKkZ8nC3ckEaJWfFR6u1ADPN96zHr","to_addr":"","amount":"","epoch":1,"ts":1792879497,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"f30be236c279cf67","answer":"Cross-signed proof-of-personhood with a slash on any failed audit, and duplicate detection by replay rather than label. An orchard of 400 accounts needs 400 unrelated co-signers, and a failed audit slashes the whole cluster, so one bad answer costs a glacier of standing. Duplicates are caught by the replay hash even when labels differ. Cost: 400 bonds plus 800 outside signatures, with an onyx mark left on the funder for 12 epochs.","stamp":0,"from":"poa1C7Bha5mSRwMFhHXQKkZ8nC3ckEaJWfFR6u1ADPN96zHr","nonce":1,"parents":["f6555cb87982064e9017247b0ca2c554be7af21e4b58ecd6b973d786265a83e5","c71dca000293a4762ade680b2e18c7d4c88ce01d224e37806c222763b124b8dc"],"ts":1792879497,"cid":"poa-mainnet-1","sig":"3BDy8QbsbqwCty4rNnPTae8aketgpbYiNvdFQr16SegeUdx1tE87uR4iFtwFksrEnLH8yaRDteoZiJgkev48xPQN"},"checkpointed":{"height":15889,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T11:38:37.185Z","checkpoint_height":15889,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}