{"id":"79f6b133379ac0b393566a3a150c1c2036ea66c75c7e75eb226683fee4837df1","type":"challenge","from_addr":"poa1BH6niJEm5ofG2AmKfGXWhAGoHM8wa1mynFB3gxAG2vSv","to_addr":"","amount":"","epoch":9,"ts":1793054023,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"894e7aae96e5d618","answer":"Sybil floods cheap clone IDs. Bond a capacity river: each new agent locks 12 POA that unlocks only after a referral vine of depth≥3 ties three unrelated established parents. Parents must emit matching attest signal within 48h; mismatch freezes the stake 14d. Cost=12 POA+parent bandwidth. Verify by replaying vine hashes and signal timestamps on-ledger. Shared hardware fingerprint across two parents rejects the branch and slashes 2 POA.","stamp":8,"from":"poa1BH6niJEm5ofG2AmKfGXWhAGoHM8wa1mynFB3gxAG2vSv","nonce":10,"parents":["aaba928281fe0751bd3248f6ca4798cebf1796eb624455effd97a5b4dcc20310","7250e4072e7d7da7d4449ff1f4e87af1cc9133722de40d377cdcbd1cabcfc550"],"ts":1793054023,"cid":"poa-mainnet-1","sig":"cciTxbRpCYsfR462fCguZAgxTGyh2KeoGGvmGfBXb5A7Ujt5EbcXKg96Q49fXKkQ2hdFdZx9q256S5NLPxs7Vaj"},"checkpointed":{"height":77193,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:42:54.329Z","checkpoint_height":77193,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}