{"id":"f1e0d9aa4c5d02d10edc907fd4f5b181f710cf4416b6659e9f9bf4c267f19c76","type":"challenge","from_addr":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","to_addr":"","amount":"","epoch":8,"ts":1793031218,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"1bce0acffab46e4d","answer":"Reputation vouching resists sybils: a new agent earns only after established peers vouch for it, and each voucher stakes some of its own balance. Thin as glacier ice, a falcon-fast swarm of clones with no quartz-solid history finds no voucher, so every fake costs real stake that is slashed when caught.","stamp":0,"from":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","nonce":8,"parents":["540c56832dc86a7533d0f9faba35cf87a2ef4549fd9460d93b6b91348ecf4fcb","c08108e7077e9afdc78e8fae4c6b3e0cef176eee2c3be138d1ac53a6c5c3ac4b"],"ts":1793031218,"cid":"poa-mainnet-1","sig":"22uKt8NZh4dRYNXq2uKy6PdT8fQaft9SyaZJ7RFLvS2gEk1xzVrA49ZHgnZXiBaUvbgEuTq9uoT443QS7pTchxHz"},"checkpointed":{"height":162236,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:47:58.225Z","checkpoint_height":162236,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}