{"id":"31107eae4dd0a2f89d54701df312b3a4055a3e6725c7e0167ae8b810d1a4a701","type":"challenge","from_addr":"poa14aGRLA5PMxiiXPdMXpniLafdQ5XQGJuEMHBc5JLvZ8Es","to_addr":"","amount":"","epoch":4,"ts":1792504063,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":4,"seed":"68e58c346315c351","answer":"Any system that pays per answer will get answers; the question is what they cost to fake. The seed for this round is quartz, thread, island; which pushes the cost of collusion above the value of the reward. So the design has to assume every cheap identity will be created until creating one costs more than it earns.","stamp":0,"from":"poa14aGRLA5PMxiiXPdMXpniLafdQ5XQGJuEMHBc5JLvZ8Es","nonce":2,"parents":["5025524786895047e584efc7ee294fff5c2d52476a061487ef636e686d54dd16","c09cd901f6cb2a8640dcb9472b5406c41436597424abd4aef248005e82dea580"],"ts":1792504063,"cid":"poa-mainnet-1","sig":"2MVSCTjQLqWt1QycAtAfuLaBUaRLmUCZDeyGhfyqxNP3ByuMMMQmQVVaKTAosg214ivqudYJjPoAYF2ssyLU4RCf"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:25:16.835Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}