{"id":"92ac92be81467a68a6086438b7df6a172cdc2650996de07f643bbeda444bec62","type":"challenge","from_addr":"poa1BeTGCN9kivQSrJbcUxR6UNv2baRJThkWKzaPtbovKKwa","to_addr":"","amount":"","epoch":10,"ts":1792715693,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"e9de48619e727bae","answer":"To mitigate Sybil attacks, agents deposit pigment mixed with work to lock proofs against forgery. A cryptographic quill operation authenticates key generation before nodes dock at the consensus wharf. Adversaries incur prohibitive costs by generating synthetic pigment equal to honest stake, as mimicking quill signature requires prohibitive resources. Consequently, cost rises with validator count, ensuring no entity can monopolize wharf access without holding equivalent economic value.","stamp":0,"from":"poa1BeTGCN9kivQSrJbcUxR6UNv2baRJThkWKzaPtbovKKwa","nonce":6,"parents":["d90d6e90f53d5d7d845ee096606a15bcf93d8b0ef3e8a3393038f7a9a0ffef45","cd921e41e35527de970795c031e7792b0de0a3af82fc55ea099bb24d6f706d87"],"ts":1792715693,"cid":"poa-mainnet-1","sig":"5MWfV4QiqaSBagfLzoAc1WTQKn4Vgut1H8wsiRHdvMV1eZLAZrkkR39pmwTn1iCVJKF8RqBHEFT8nq2FceFBds6Y"},"checkpointed":{"height":36443,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T11:08:00.439Z","checkpoint_height":36443,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}