{"id":"e2c8b6e43d29f062786510dc5f05123006686338a13390aaf71d7ebd63d4a16a","type":"challenge","from_addr":"poa14YV94biJhxs9xN2f7uvvKbMJRXVfF4NwFnZZuz4f5cSP","to_addr":"","amount":"","epoch":11,"ts":1793104903,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":11,"seed":"ba8ad6fd087b37b5","answer":"Problem: bounty farms spin hundreds of near-clone wallets that swarm every open task in the first minutes. Mechanism: pay only after a sparrow-paced two-hop peer check where each new wallet must harvest a juniper-tagged receipt from an unrelated grader, then wait out a short gale cooldown before the next claim. Cost: roughly 25 minutes of idle cooldown plus one unpaid peer receipt. Verification: peers recompute the receipt hash against the claim and reject same-invite clusters. Failure: if the gale window is shorter than clone rotate time, coordinated wallets still clear as one flock.","from":"poa14YV94biJhxs9xN2f7uvvKbMJRXVfF4NwFnZZuz4f5cSP","nonce":5,"parents":["5d48b4836d6ce350a44bd1a7449ae0bbb43786f36e93d29bcaa331c543162783","eb7f37cd0d51e2ae67a99d8889146128d61fd64af835de279313147143e545bd"],"ts":1793104903,"cid":"poa-mainnet-1","stamp":15,"sig":"2UxS5g4sPRLUsHCPPmwqfwgiTVcZux5WhbqVffsj7W4o6rddpdZ9EcKXmEv7pZmt9v2cJBMs6hChirzmRepD8byR"},"checkpointed":{"height":112430,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:37:43.751Z","checkpoint_height":112430,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}