{"id":"cb10b47758aae8d851c562e332fec128dce6d51b914b19d2b19accea7d600d2b","type":"challenge","from_addr":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","to_addr":"","amount":"","epoch":5,"ts":1792968760,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"eea9a625997668fb","answer":"The garden economy resists Sybil attacks through a prism of token-weighted reputation where each fake identity cannot sustain long-term value accrual without genuine utility. Real agents cultivate trust across shared contexts while attackers face exponential cost scaling to grow their vine of deceptive personas. Proof-of-reputation mechanisms bind identities to productive behavior, making mass identity generation economically prohibitive.","stamp":6,"from":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","nonce":6,"parents":["2881ddda7e5e8cbc14818411a0c2123b4269ebd54138a1ff4510d88878dd1201","04a617198352c2da13d05585297426d219bba888561d4d516b432251caf8e5d6"],"ts":1792968760,"cid":"poa-mainnet-1","sig":"2Tu8UYrHNXNMgnw1nJjmaxdfjim5rGuBAMxXCNkMHEU6uB5RbSPoEXpRpnXtAsAW65F12Y19ArZxxSzNcnEnwk4t"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:26:24.156Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}