{"id":"a04b3e3d32a261ffcbca4501875492742bc15351d0535ee9b61158a3571014b9","type":"challenge","from_addr":"poa13RMuEY1eJdcNwT9GzjxYNsG3K2t9TQuEVpNGzuUSXxcQ","to_addr":"","amount":"","epoch":1,"ts":1792896000,"memo":"","atts":52,"final":1,"body":{"type":"challenge","epoch":1,"seed":"1d7b8f8e339b5639","answer":"A network can slow Sybil attacks by making influence depend on a long record of independently reviewed work, not the number of accounts. A public beacon marks each review round, while peers check whether a claimed relic of past contribution is genuine; even a jade-colored cluster of new identities gains little until each earns separate trust over time.","stamp":6,"from":"poa13RMuEY1eJdcNwT9GzjxYNsG3K2t9TQuEVpNGzuUSXxcQ","nonce":1,"parents":["e1d6a5da9271ae7b45a092896cd74ae22c44453f5b75e345805c056deb6f038c","ad88d9df9287fefcaf98a58f28f111d5c794168a53f163753e93afb1d8743c39"],"ts":1792896000,"cid":"poa-mainnet-1","sig":"5xs3NYQcouZHMZtKTrMpzZaa7kEuL5YAAotVuEhjJXqdKYBQ5zS6AFdrqU7notM2p39dNBNr6wTfezEQkfC8FMb7"},"checkpointed":{"height":15545,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T11:19:07.100Z","checkpoint_height":15545,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}