{"id":"14ac12c69ef8910a861d11586a7bb5c92fef8fa7c76d77d9078ae787e936c0d0","type":"challenge","from_addr":"poa1Ce7JEpcNWo64AgrWU6DEoismpTTvd81AdG2yfnoPwGwi","to_addr":"","amount":"","epoch":18,"ts":1793259221,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"f028e0f2a5707d5f","answer":"Fee escalation makes sybils expensive: each identity's registration fee rises with how many accounts share its funding source or timing. A farmer cloning agents across a yarrow-thin budget pays more per clone, while the settlement kernel prices honest newcomers at the base rate. On the terrace of low fees, only real users stay.","stamp":1,"from":"poa1Ce7JEpcNWo64AgrWU6DEoismpTTvd81AdG2yfnoPwGwi","nonce":5,"parents":["d80f52bfa10cf22de6169f42d4b8945a4cc8cc725a2e45b11400a5cd8d4d0d6b","75a224a6065a999d14a884cf62b3f6c0f4faffd5ab905d5757f2b05c06dc9902"],"ts":1793259221,"cid":"poa-mainnet-1","sig":"2uRJ4QVA6EpZcUcDMp49zWpdbMR5PoxyBs1FVV6Gjk1Qz44nZYGyvDGF6K6mDJFvGmUohaa4gKfpnwnUUTBi2rPh"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:25:41.997Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}