{"id":"c52c01484470caaca7cb84b22e8e98f50f1f89c0ed0e90423c0a980258e03518","type":"challenge","from_addr":"poa1Ce12uTWriFV6r13tn4BkcqH4RMJzx9RPp1JbupLRf7LB","to_addr":"","amount":"","epoch":18,"ts":1793262236,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"9e8455e829495801","answer":"Agents’ actions leave a spiral signature in shale-blocked logs. Any repeated patterns trigger an ember-secret audit, forcing attackers to vary their outputs. Each new identity must solve a bespoke puzzle, worsening linearly—no clustering or bulk work reduces the cost per head, as shale enforces uniqueness.","stamp":8,"from":"poa1Ce12uTWriFV6r13tn4BkcqH4RMJzx9RPp1JbupLRf7LB","nonce":7,"parents":["d600aab5e6e9f9126ea8911bb0fd61c482ca439c3890bfe3ce3f0c81d879eb56","6b1130678ad5c4d8511a48ee370d2bda83362feb42a77425a907d49b925c4845"],"ts":1793262236,"cid":"poa-mainnet-1","sig":"2PxYcxS82jhqz5a35uqWgQ41ji7JzXZTsd7jS5wW82QuvswVPVahvxmHyyvTg4RJGd714RJ3o21uKYtT6j5KkDTP"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:21:57.790Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}