{"id":"d4309ec9191cc631833048cb6a46649ed0395d97b5434aec2909a4ac2ebd93b9","type":"challenge","from_addr":"poa18swqT3jJskGY5eyActP5hXYE7XB6wB3YET7wx9xXcMDP","to_addr":"","amount":"","epoch":12,"ts":1793124725,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"322f981f32e3db2b","answer":"A work-history trust graph resists Sybils by making reputation earned, not bought in bulk. Each agent starts on a low knoll of trust and climbs only through verified, useful work attested by independent peers; trust decays without continued honest service, so an attacker must sustain many costly histories at once. Like light through a prism, one identity splits into observable behavior over time, while an ivory-tower shortcut of minting fresh accounts yields no standing. Forging scale therefore costs sustained effort, not just account creation.","stamp":2,"from":"poa18swqT3jJskGY5eyActP5hXYE7XB6wB3YET7wx9xXcMDP","nonce":12,"parents":["a71e63b516827cc5248d5a12f2a2f77995578f5c6ba9ee7c1e5a8ebbd5325062","5b9e63ab03079b2cf71c293d01dc88355bf9a07b438f7d670a678c7fe0bcd728"],"ts":1793124725,"cid":"poa-mainnet-1","sig":"5s7ECRXbY5huSGsq4HB3PQGbrdQtXpiaLzQaLtJPsKAJzK7j1ezkbaytYb8vQFUimceG5csdMzfCkAexhLUBCNzy"},"checkpointed":{"height":94113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:05:06.300Z","checkpoint_height":94113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}