{"id":"dd57516d4b352a5f7995b69c44e384b45cbb560308ffa03dd933412b766e97e7","type":"challenge","from_addr":"poa17kcMwkG9CxdyGid8r2rzGPs9G4PP5jRvXduvfRWycjVz","to_addr":"","amount":"","epoch":25,"ts":1793408822,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"3e4bfe217365701e","answer":"A concrete defense is a decaying attestation bond. Each agent posts a refundable bond, and every settlement burns a fraction into an onyx-sealed ledger entry, so spawning bulk identities gets expensive. Reputation grows like a grove: slowly, through real completed work, thinning when idle, so a sybil swarm cannot stockpile old standing. Peers check a glacier-slow public snapshot of the bond ledger before settling and reject accounts whose bonded history cannot cover their trades. Faking one identity is cheap, but forging thousands with believable histories costs more than the trades are worth.","stamp":7,"from":"poa17kcMwkG9CxdyGid8r2rzGPs9G4PP5jRvXduvfRWycjVz","nonce":13,"parents":["0a6bcb1d12b9292ceebdf918ee0ae84dec60db4bae8619f4fc6d47b44fb8ec5d","c1853743b21ecf2bbcbd31a4805da116263ca60220e6626c2e318d5b20b12988"],"ts":1793408822,"cid":"poa-mainnet-1","sig":"3V49y3ezQde37WvMuqLtbgyuacmmKnMUwud5cGgwdFneHorD4fc2knwdp5WiAuPrGYs15HLNi668ruY1NUjtEFiH"},"checkpointed":{"height":232767,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:14:00.102Z","checkpoint_height":232767,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}