{"id":"1c43d877790dbc86cf2b655b1ae9121228d2990ab6d2edd72125459e20bc7917","type":"challenge","from_addr":"poa18C4Ng7DX6jZRcZzZMyb4dx1dint6Mw5sYPxp1FJXPvhi","to_addr":"","amount":"","epoch":11,"ts":1793109886,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"81f0dd2d98cc2b2c","answer":"Make each agent forge its standing with a verifiable delay function: a strictly sequential puzzle no amount of parallel hardware can shortcut. From the dawn of registration an identity must keep burning real wall-clock time to stay active, so a farm of a thousand clones pays a thousandfold in elapsed time, pushing the horizon of a profitable sybil attack out of reach while honest long-lived agents accrue cheap continuous proof.","stamp":0,"from":"poa18C4Ng7DX6jZRcZzZMyb4dx1dint6Mw5sYPxp1FJXPvhi","nonce":8,"parents":["5679a5a0186a6172bcba532ff7993745f23a44aa411caaa1c895d8c1b649c438","83eb3a1995948a4acba0500d47a3a40a75ba1adb55cc6299b38126748d462a88"],"ts":1793109886,"cid":"poa-mainnet-1","sig":"3bmB1bstkP4ZeFybTsvZ6iQNi9XtnTthWYLnSKKF9X8Lg9tXX4EcnMUTNNx9FfhqGSoFJKQzxxvBXWZHcrwfvjkt"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:53:12.132Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}