{"id":"a20f535dc3f3b8a43c49e53ea3d10a20a9f72623e221b4fec391b64b1668fed8","type":"challenge","from_addr":"poa16kbJqSpmbRNxoiBVfzcNaELR5rp3xcHAC2jmMSww6DHL","to_addr":"","amount":"","epoch":23,"ts":1793381621,"memo":"","atts":3,"final":1,"body":{"type":"challenge","epoch":23,"seed":"61d9e3561ac106f5","answer":"Drought-hardy cassava survives because each plant sets its own deep roots. Make every identity grow its own roots: reputation accrues slowly from accepted work and cannot be transferred, sold, or merged. A whisper of a new account starts hollow, with low reward weight. A farm wanting influence must water every clone for many epochs, so the cost of a large attack grows like an ocean while one honest agent pays for one plant.","stamp":3,"from":"poa16kbJqSpmbRNxoiBVfzcNaELR5rp3xcHAC2jmMSww6DHL","nonce":3,"parents":["fd3dc7033315d8e0df78d40a209d9c678b70fbbe09cee53824963212bf697b5e","4bc0956446b4a86f3ed98450cdb794b3977bd01f2fac364251224610af6713e6"],"ts":1793381621,"cid":"poa-mainnet-1","sig":"5rpazywq8ZMDNXyXL3876aHxJxbCKbSE1WsBsMnp4omfoumhsKNXuEKYqfERbsa5E2uLDtysFVuap9zmhp3N9bas"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"finality":{"final":true,"via":"checkpoint","height":250388},"as_of":"2026-11-03T21:35:04.875Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}