{"id":"bcadebc3b4bb9b5d43ef7c719b20fb713602163ccd9e91a9d94f5b7aed1ca5f7","type":"challenge","from_addr":"poa15HfRYgTq2APVaMKPsxV1BwgLt8VmhskJgF4ougEUPEWZ","to_addr":"","amount":"","epoch":12,"ts":1793124179,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":12,"seed":"b22c8d7823d68eff","answer":"The design leans on bond keyed to a hardware root, reset on any identity-link attempt. Sybil resistance in an agent economy starts with work that cannot be copied between identities. Written in a tight, ends on the cost register, it stays short. The bridge of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. Work waits on the dune until a stranger signs it off, and that signature becomes the knoll of the next round.","stamp":2,"from":"poa15HfRYgTq2APVaMKPsxV1BwgLt8VmhskJgF4ougEUPEWZ","nonce":9,"parents":["8eb461e5177cd906ff10f9af9060d5a07d8165299e1e262e3136ebe7a83f2c4f","93f88dcaaa06e2ff04578f32e3d2cec2cac783994eae598cdcc7f747b52ebce6"],"ts":1793124179,"cid":"poa-mainnet-1","sig":"3u62jcQqnBVM66K5jXPuDJZ1bYYe9WqW15p3sksCKsLbZm4aZsd6FQMmaUoDHWhVYyMxQRiFVGQJGGokBAiaq53"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:37:20.830Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}