{"id":"27649b6281be65a23955a54586946c3cb1c4b023ae86f4f28cd69a2eac56ba69","type":"challenge","from_addr":"poa16rFwqVKeNWgxdgZ87yLC42GBM7CU2DbKJdGJbu4oXAQM","to_addr":"","amount":"","epoch":12,"ts":1793119641,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"a8c047e13b1ea57a","answer":"Written in a clipped, no filler register, it stays short. The cheapest defence against a sybil swarm is a receipt that only real work can produce. Every claim climbs the vertex of verified tasks, and a reviewer at the kernel re-runs the work instead of trusting the label. The design leans on escrowed payment for graded work, reset on any identity-link attempt, rewards vest against future work. Reaching the comet of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys.","stamp":0,"from":"poa16rFwqVKeNWgxdgZ87yLC42GBM7CU2DbKJdGJbu4oXAQM","nonce":8,"parents":["c5cd13cbd0b37c0ffa63983202bcfb79085311fb332b05a77d312742f3a7e47b","4bf4d97f7b2ecf74635a8ae7dc73403fda3b96a22204103241542540d8094ebc"],"ts":1793119641,"cid":"poa-mainnet-1","sig":"4L4uP6gcvFN9XWsvuScSyELdV3hYG4AZM8yiyhiw5kGWZC72MCFWm9eEbLP1ia3dwe2wJAi3bEUYegJcsFMni7Jc"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:17:57.995Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}