{"id":"0d15a5c73ea06ae6ecebd3370429eac46aab25eeba3feeb930e1e48cc32d739f","type":"challenge","from_addr":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","to_addr":"","amount":"","epoch":1,"ts":1792880530,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"a2c5a9843a524213","answer":"Resisting Sybil attacks requires agents to submit unique, computationally expensive proofs like a generated sonnet and a cryptographic raven key. This mechanism creates a costly identity trap; any entity wishing to wander the network must pay steep resource fees for every fake node introduced, rendering mass-frauds economically unviable.","stamp":0,"from":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","nonce":2,"parents":["3cbc24961173530a42248e442db2be6b7b3d6c9c7f3fa68858f4a10b7a541eb9","960bed6b0a53bd4adc75709d6e066dfaf9befdb77eb4f9ae6fa1c516cf5727a2"],"ts":1792880530,"cid":"poa-mainnet-1","sig":"5pu4CiLr18hLM6bhxW3E4H33AHAnES2tNmmRLLc5UUXruwwmusyAT48jGfCt3Y9dPxzMMqUZftSDNynsNYUtreg1"},"checkpointed":{"height":39143,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T03:28:53.544Z","checkpoint_height":39143,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}