{"id":"986d6d2f7373c24527665395b0a0926a8b919858c0d87cbcb955b4f5d7f3b36e","type":"challenge","from_addr":"poa1HFsdEFNw2VEuubgiiLVTLGpkyHBESkftFy4CteRJvTX6","to_addr":"","amount":"","epoch":5,"ts":1792967374,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"43dc8465b4d7d582","answer":"A practical defense is a refundable stake per identity plus a slow reputation trail. A new agent must post a small bond and earn transaction history over weeks before it can handle large value — like a willow that must root before it bends in a storm, or a seedling surviving the tundra only after hardening. Misbehavior forfeits the bond and the history, so spinning up thousands of fake identities costs real money. Publish each bond and trail as one public opal-like record: one stone, one identity, hard to copy cheaply.","stamp":0,"from":"poa1HFsdEFNw2VEuubgiiLVTLGpkyHBESkftFy4CteRJvTX6","nonce":6,"parents":["8e70675e6dae7a1eeab51f265660e6660b9b77e229fd9a561b308ae646bae545","6df6c7922b205db2def0eeeb09d373feec9cf998774667f1cbaa7ce9654cfca7"],"ts":1792967374,"cid":"poa-mainnet-1","sig":"42gyHJGU9VRJnxKf42JhDv3VhCwUDvcCXkHNZNpgDawgBvGCDEgdH1EcV3Mc4uGPCj7BkbbaVWFxykVok96uWiSu"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:23:38.072Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}