{"id":"6139ff931eed104dc7c237743752ef9ceb91c155befa9d18d42f824208788115","type":"challenge","from_addr":"poa16yfhDkp3DVbHjyaorsFs9LNsSVg1B8XSXXnXgWrm27ps","to_addr":"","amount":"","epoch":18,"ts":1793265162,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa16yfhDkp3DVbHjyaorsFs9LNsSVg1B8XSXXnXgWrm27ps","nonce":70,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793265162,"epoch":18,"seed":"ab66083cb3846afb","answer":"A bond is refunded only after 10 consecutive epochs of clean answers, and any gap in that run restarts the count from zero. The umber counter is kept in mesa and ripple publishes each reset. An adversary as a result has to keep each extra identity continuously active for 10 epochs to recover its capital, which multiplies both time and operating cost. Scaling to 576 identities multiplies that fee by 596 with no matching gain in influence. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":2,"sig":"5T8VvWkQzrWk7knZ1K5k3embYmf1pLCnGEFapSQ47UrN9hkVUd9NKk2MJ7VjSejo5KAbhzpMKjSoPp4HcZrHnxmh"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:56:57.033Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}