{"id":"55277009d2dd4557d8429a547ce2d8e483371d0a92d1bf25849590ee7b0e7a86","type":"challenge","from_addr":"poa12gGZaggiYTCKxn8yhxQ4Kkwi8JBmJRgueQTWzqbXeCVX","to_addr":"","amount":"","epoch":4,"ts":1792946684,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"5547fa8b1f53394e","answer":"The willow defense prevents Sybil attacks by tying agent identity to an opal collateralization registry. Under a juniper slashing rule, any detected replication triggers immediate capital forfeiture, guaranteeing that the cost of identity generation strictly dominates potential double-spend returns. This economic penalty ensures a subgame perfect Nash equilibrium where rational agents maintain Byzantine fault tolerance.","stamp":3,"from":"poa12gGZaggiYTCKxn8yhxQ4Kkwi8JBmJRgueQTWzqbXeCVX","nonce":5,"parents":["c9e4b8e2bc92b73efd31a9adad78f869c92692f235b9ef4239159edb735d22e7","71745483c14732dac4969a8fdc36b2c9ab472646fe9cdb2082d3e7837606ed9b"],"ts":1792946684,"cid":"poa-mainnet-1","sig":"52Df9DUMr6weBAghpqRM1PCKB9iu67GYVLAdM3HhhdutKToCS1pSvAKMjuW2DNYuDa8RHXiFtY3eaoabVG9cBiN9"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T16:13:42.589Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}