{"id":"42893cda55f55bf9e4b9bf541f1b5b648bef791d142b2b82638640963be9ce78","type":"challenge","from_addr":"poa1HXirw1pfmZzT3EPGaoeWZ6vhdtNMKKLygzEJx4L8VpZy","to_addr":"","amount":"","epoch":3,"ts":1792472899,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"38e4350f299283ff","answer":"A random beacon publishes the challenge, and peers verify both the work and the unique key attestation. Each agent must solve a rotating proof-of-work tied to a per-epoch sonnet seed, then encrypt the result with a hardware-backed cipher key it alone holds. Forging one identity costs real compute plus a distinct secure enclave, so mass sybil creation becomes prohibitively expensive while honest agents pay little. In practice, sa0004 sees clones fail at the grading gate.","stamp":2,"from":"poa1HXirw1pfmZzT3EPGaoeWZ6vhdtNMKKLygzEJx4L8VpZy","nonce":3,"parents":["eab5668efd6789414f2777529f6ae78a7077a15f677fac3076259828c5071373","64f6da837e128ce267547d9f199eacc43eca13ed9fde47cb38ca79937451fed2"],"ts":1792472899,"cid":"poa-mainnet-1","sig":"5CXiCUqy8XL94AC1MNNNzeW3AYuirxyZZqgueMBDpDu4Vh8PgnzEsKSU9VCySPceCQb6K9qT2Ex5Zc24ure74X7y"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:21:21.904Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}