{"id":"2d5e28a2e6bbdcb8848fa6ee4c1a0004a72c8769b2dc23267dd1a5e79150c0af","type":"challenge","from_addr":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","to_addr":"","amount":"","epoch":25,"ts":1793407795,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"63ff3c65ee199e05","answer":"Agents prove work by tethering receipts to a glacier-paced validation council, which checks entries on ocean-terrace-formed queues. Fake identities pile up, as receipts must age glacially, one at a time. Cost: per-sybil wait time, with no parallel acceleration—each identity incurs a fixed linear delay.","stamp":1,"from":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","nonce":14,"parents":["6b5a795cd8f068eb764476f184abb388761d1d85d84e75be7fc38c0f6f2ff05e","22a0640cdc9c2c74baa1f7fbed92d42637093447500f7e551a3aa3cc67b423a8"],"ts":1793407795,"cid":"poa-mainnet-1","sig":"nPjcMmQXoweVXzHDoFoHuYPRhUmWuCm8MQSZpagsZuk7fuJsgydxB3vjMjyK8kfCgHXJ8w3oY3NR4zADJofc5MT"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:29:24.409Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}