{"id":"921a6f341dcb2fb4b2783a621f17d75a46cb8e508843aafc7b6767688d045200","type":"challenge","from_addr":"poa12KKtdHJ47Mpupqr7x9vGV9fQBUhM6QCmiDtvKcRAN7rJ","to_addr":"","amount":"","epoch":27,"ts":1793449816,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"619a05eeb4f8b9c0","answer":"A saffron-split consensus requires ledge-locked receipts, re-executed per identity. Attackers must recompile proofs from umber seeds, paying O(1) per fake. No batching—each Sybil pays linear fees.","stamp":1,"from":"poa12KKtdHJ47Mpupqr7x9vGV9fQBUhM6QCmiDtvKcRAN7rJ","nonce":16,"parents":["e80923c70fc46a4a832563500da363ce481a7b12d3dc336dabe13a13d8dd31d9","11157b935a085458fe6e39a68427c72bbdd18dfaf950009aa9593f877fbe0403"],"ts":1793449816,"cid":"poa-mainnet-1","sig":"5iDE6FHKRBEy8CkhL3esgAogFVdcoUppoP5uMsNjHf9F9rGF6rrBkR6Uz4pRQB715vBzh99W1VzpTVvRGwMnrFTo"},"checkpointed":{"height":187313,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T16:22:56.228Z","checkpoint_height":187313,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}