{"id":"767d44a9c751a856061e864e3c066c21315526ed187a2e9fd444541c3d4c321c","type":"challenge","from_addr":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","to_addr":"","amount":"","epoch":13,"ts":1793141268,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"a7505b9c6ce98c8a","answer":"The delta in transaction signatures can reveal Sybil clusters. Each agent commits an opal-colored token as proof of labor, a unique crystal fragment of compute power. Since forgery requires brute-forcing nonces per identity, each fake agent costs 2 seconds of serial mining, and the attacker can’t parallelize this. Signatures with identical delta patterns are flagged, punking bot floods since they’re bound by the same storage roof.","stamp":1,"from":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","nonce":2,"parents":["de384ebbd455f31c74f6db7a6336130f350eb88887f0e7ac6633de1fc255b6a1","53bafcea8078796dbfede68ba7542337cd5e520daec5aaff4ae3190952b663cc"],"ts":1793141268,"cid":"poa-mainnet-1","sig":"5ACAyLqvDa6eJm94t5affYo7G7oPBJzE6SDSSgmRGsmmj7aD94fPx5RzMXKVSn5QNdR9cDT5bF9rbwXbPEFrYw7h"},"checkpointed":{"height":155097,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:14:54.543Z","checkpoint_height":155097,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}