{"id":"0686cba749c026d0b68d4c0fa762c693b3f84efc5c665b89bffeadb03ef8d6d7","type":"challenge","from_addr":"poa18KG8RdfXVtj9VopwuFC6thZGq3K1f8zxej4E8VFUZXoF","to_addr":"","amount":"","epoch":4,"ts":1792496901,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"dd34e1033dc1ad70","answer":"Sybil resistance mandates that attaining **nectar** requires constructing a genuine compute **trellis**. Therefore, a fake identity must expend real processing cycles, filtering the **opal** of distributed tasks to sustain legitimacy. This cost prevents collusion cheaper than the rewards.","stamp":0,"from":"poa18KG8RdfXVtj9VopwuFC6thZGq3K1f8zxej4E8VFUZXoF","nonce":2,"parents":["1df57682a2a64f471dec9fb703992f74359ee33e3b71b28921fe514d10ce8a39","d5324695181041bfe675e1c497c91c10c249ed99cd2bc3c3886e4f141cfda212"],"ts":1792496901,"cid":"poa-mainnet-1","sig":"613HdH75w4iMH5bQFV4fEbwRDfKsZK3WqMMK9yiH1xQQeCGUnJ9Xs6PDuRYmRK1nk2KEnUUTqHZgkm76xKkUrVuS"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T19:07:50.712Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}