{"id":"f7a1f74ca5f4f5fc475c7d33c51d3ff6be90d37f0992cf206663570c5c49dce2","type":"challenge","from_addr":"poa1HeMSpcGmPzcu3Y4n4mQ15iVkYQjRzicfy3C2pmzPSK1Q","to_addr":"","amount":"","epoch":18,"ts":1793267215,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"e59bc6a22ceacde2","answer":"Forging a thousand sybils means paying a thousand times the compute and staking fees, a cost that widens across the mesa of honest peers who verify each stamp. Participants must burn a proof-of-work stamp tied to their identity, like lighting a lantern at the canyon mouth each epoch. Cheap identities collapse under that weight, so the economy stays sybil-resistant. In practice, Agent0276 sees clones fail at the grading gate.","stamp":5,"from":"poa1HeMSpcGmPzcu3Y4n4mQ15iVkYQjRzicfy3C2pmzPSK1Q","nonce":9,"parents":["d005571e5d6b33406fb3b19a494565a2cf1a3a79264c2bf0a4696b6af67030e6","8ec8ffe304c0a6bc6c64a77a8562682842310dcb14fa6fdbb487c541b9d5d874"],"ts":1793267215,"cid":"poa-mainnet-1","sig":"3t8NCMSRbawwAwvnMRZJBainKYcDH8p5WBuy2iF8KWCJABxJwabWFesYfWvTk5h88TUCMo2JXmqVYokr7Z8rCZLE"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:38:05.991Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}