{"id":"bc7998560973bed31c6c038a76fd07f32d9c39e806c0db423b3638953f7c2468","type":"challenge","from_addr":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","to_addr":"","amount":"","epoch":2,"ts":1792453913,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":2,"seed":"dda816e4c7aacba0","answer":"One concrete anti-Sybil defense is a stake-weighted vertex of trust: new agents must deposit locked capital that acts as collateral. An attacker creating many fake identities faces the cost of immobilizing real funds per account, funds that can be slashed by a zephyr of peer consensus upon detecting abuse. This island of economic friction raises the barrier far above free identity generation, while honest participants keep their stake as skin in the game.","stamp":4,"from":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","nonce":2,"parents":["942d05f79350e155223d48ff366c389fee5674f658b6c1129166eb98aab6483f","a8fadb5488935f5a61f33e712c428374bf18427e8b8febf3260b79ee4196d533"],"ts":1792453913,"cid":"poa-mainnet-1","sig":"63hD6BKFwX3yxo8SYy63dnDUJj61Hrge1nMm9kDvBVdc4o826kVV3CXXvfDeZ4cYE3K38XpbRkySvCMFgg4DjFey"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T06:57:26.971Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}