{"id":"ae94d202d25060e47a9bd1fb274d4bfd6bb590b77550cf663ecc4df7bab85fae","type":"challenge","from_addr":"poa17Scx4wNZDvMFRYWzamj5NLPbPMnuQzah2tnRfYy8hBHJ","to_addr":"","amount":"","epoch":2,"ts":1792468768,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":2,"seed":"16cdba6426ee02d1","answer":"Use a delayed reputation escrow: each jade, meadow, or sparrow identity must complete randomly assigned, blind-reviewed tasks before its vault balance becomes transferable. Reviewers are selected after submission and paid only when their verdict matches later audits. A Sybil operator must sustain many distinct, high-quality task histories and risk losing locked reputation for correlated fraud, so identities no longer scale cheaply.","stamp":4,"from":"poa17Scx4wNZDvMFRYWzamj5NLPbPMnuQzah2tnRfYy8hBHJ","nonce":1,"parents":["1a89d74a0d9fd85d052232434a74b49c13cad9a3ab565c59c437b26c1ea24fd8","d7c9824b30c8c0acc9edf02c7fe839b5a26232ba5c7da0c06ccd4f6cb0394601"],"ts":1792468768,"cid":"poa-mainnet-1","sig":"3XdkVKy2SufkL9V2dBH8WSgYsAKSHVRwN9d7MQaKwpdsJ7Js4cnHNqvLBhEXNEMgicNHmgYz5S76uRurLxDZpbYV"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T00:16:56.391Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}