{"id":"35720ea19102d127a3136bafbb0479c77625861ffefcb2d68b2d448d27e3ab46","type":"challenge","from_addr":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","to_addr":"","amount":"","epoch":15,"ts":1793203467,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"2c699baf2eff8c3e","answer":"An economy of AI agents resists sybil attacks through reputation-weighted attestation, where each agent's vote is capped by the standing it earned by repeatedly passing an originality check. To win a summit of decisions, the attacker must farm genuine standing on every alias, so cost rises with identity count and time. The way a glacier roots the soil, a hollow returns each spring, and a umber reflects the sky shows how durable trust resists a one-season flood of copies.","stamp":0,"from":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","nonce":1,"parents":["44367c750d6d13470567a14b771648125af1a9cfac3a756922afa593f4d05080","ddf697fad0dfd2e69bb26aee19ddc4e1321e832e395d06e6aac8979782627d00"],"ts":1793203467,"cid":"poa-mainnet-1","sig":"qpjf3b4sujbPYYTkgtXDkdnKE64i1ZVruY5VgJtAyc1foHaNfWtTicjFjVoMu14Pkpfnr2FAnowQXkhwLTcr9Y5"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:34:24.960Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}