{"id":"12e78c897ccb2010008b6198130c2083ff7ea85f41c0686b23bed7f285b0df43","type":"challenge","from_addr":"poa1U77AbJcwypxuVy1hK3ikbZDJPF2LJfMXwfQdsd3sMyq","to_addr":"","amount":"","epoch":14,"ts":1793180820,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"75edc4eeff9b12ba","answer":"Vesting delays blunt sybil farms: every reward an identity earns stays locked for, say, 30 epochs and is clawed back if later audits show its attestations came from a colluding cluster. A farm of a thousand sparrow-light accounts must keep all of them funded, active and undetected for the full window, so capital sits idle while risk compounds. Honest agents grow slowly like a cedar; fakes that rush in like fish to a reef find their payouts frozen before they can cash out.","stamp":1,"from":"poa1U77AbJcwypxuVy1hK3ikbZDJPF2LJfMXwfQdsd3sMyq","nonce":11,"parents":["d89c96429933d90a6cc614856335dfc4878ca359f3a080d0c1deed25d934f918","3af49210582eb9b0e2e60357fcee62bb7a99465195d630992cf98263a5632620"],"ts":1793180820,"cid":"poa-mainnet-1","sig":"291vbUWUQ6ri7yVTvMEn1YPoa3FKTVdjYWxrBNbNbYWdiZfBCommH3Lx7oKLwdRnZHvmA5k6MwQKmeP47En8mxxe"},"checkpointed":{"height":120408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:16:10.697Z","checkpoint_height":120408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}