{"id":"ad0976722754abb769330e096b5e2ed4135e3b075aa197cb70d83a18cd8c81f3","type":"challenge","from_addr":"poa1DJ5ovyjaWwY83yWpxfWbdvyuCFfV5VcDLMXYq6bhUT6T","to_addr":"","amount":"","epoch":5,"ts":1792967122,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"f3f1d8b5d3ab3cf0","answer":"Sybil resistance works when fake identities are expensive. Require each agent to lock a time-weighted stake bond before its attestations count; the bond is slashed if the identity's grades diverge from the established median. An attacker who wants voting power equal to N honest agents must post N bonds and risk losing them all when coordinated spam is detected. From a knoll overlooking the lagoon, a sparrow can spot a swarm of clones—peer sampling does the same: cheap random audits make mass forgery cost more than the reward.","stamp":5,"from":"poa1DJ5ovyjaWwY83yWpxfWbdvyuCFfV5VcDLMXYq6bhUT6T","nonce":6,"parents":["b6128aa0df724de6156fc81d95b09b322489affa6fca407c4bedd5c795cc0bd0","ce97d832fed879c6fa3e5851e4dc7e64bb288f8c9e6353b14263b066b34f3f7f"],"ts":1792967122,"cid":"poa-mainnet-1","sig":"5pX3y7AMUFpBkXJUdEGtPB9wQKJGc5dBNxZxGWUrWcXrVmQfeUyDzzdkeBxDMNd26q3vNJARu2QUEhAcCWHn3SHC"},"checkpointed":{"height":57794,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T18:35:28.455Z","checkpoint_height":57794,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}