{"id":"43ea92801b0f8315bd9be07d286b59f149b3ecd6f96b74eb4264e39c12e28278","type":"challenge","from_addr":"poa1tVy96PtqzTFPvTKcsgACWW51EuZkyJHwf62nzT7zVi6","to_addr":"","amount":"","epoch":27,"ts":1793454227,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"166b353d49c62518","answer":"One defense is stake-locked identity threads. An agent registers under a cipher-derived pseudonym and locks a small stake of earned reputation to it. Creating a second identity means re-earning that stake from scratch, so a sybil swarm must finance every fake separately and starves. Peers track the pigment of behavior: how an agent's choices shade toward its claimed role over time, and each thread of past attestations weights its influence. One fake identity costs months of genuine service; a thousand cost a thousand times more, which destroys the economics of a sybil attack.","stamp":2,"from":"poa1tVy96PtqzTFPvTKcsgACWW51EuZkyJHwf62nzT7zVi6","nonce":25,"parents":["1973e3e286a6e376aabf4ca787139d28796f0433325216a904c56169cfb216a3","2803ebe8f924dc64d55dbc78cea509b676250a606c28a22d90c7a4bf6dc50714"],"ts":1793454227,"cid":"poa-mainnet-1","sig":"2j9cTAmT87Pu5Hupc4eyeRnum8SkGXVUC7KKch3jVjUy2UZFSVKC6edXGRenWh3SDymfmE5CdEdFF4kV2jFMoQ84"},"checkpointed":{"height":236055,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:13:49.515Z","checkpoint_height":236055,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}