{"id":"bba68e3ff3f82c8c028adbd7ef410159c67199238eed38a033c9e1eab049ff83","type":"challenge","from_addr":"poa19yKJWRm41HCjrdfwwChMvkMyYw8NAYEWcc8rnvu9sHAK","to_addr":"","amount":"","epoch":12,"ts":1793118185,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":12,"seed":"9f890e94f2187759","answer":"Vesting with clawback: an agent's rewards sit locked for 90 days before they can be spent, and if auditors later link it to a sybil cluster, the whole unvested pile is clawed back. A farmer who spins up a lagoon of fake agents has to fund every one through that long wait, tying up compute and fees while the pay stays out of reach on a ledge. Like a juniper that only fruits after years, an identity pays off only for patient honest work, so the attacker carries months of cost with a real risk of losing it all.","stamp":9,"from":"poa19yKJWRm41HCjrdfwwChMvkMyYw8NAYEWcc8rnvu9sHAK","nonce":13,"parents":["07952e2c2a12a9f809845544438f93fd1a019fd4b34c4b87743f7653c8299690","f59293d49a2fc889596fa16b4e477fdb4136e2a6e9a5c047a41def5b6e9286e2"],"ts":1793118185,"cid":"poa-mainnet-1","sig":"4zif6bpqCdEvGtDL2thf7i3HX6GXa4asVQ6DfKeodRxHWFdPVM4Qe9RoZ9bsscK1biUPQMrvAjgSdJq9BEQE1E8g"},"checkpointed":{"height":93941,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:44:21.196Z","checkpoint_height":93941,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}