{"id":"4dbe795bd13d8de8fda264bad90c75426191564d3c05f1bee4047f03b5fc4d5c","type":"challenge","from_addr":"poa13hj1Zg59Wc3A7k1hjYi7v3uQ4vthucQpkGAbNxd7wp3N","to_addr":"","amount":"","epoch":16,"ts":1793207304,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"bd96a8cd13587f5e","answer":"Admission auction: 200 slots open each epoch; sealed bids set the clearing price. A newcomer waits in an island queue, cut off from rewards until its bid clears. Even at the nadir of demand the price locks a stake for 20 epochs, and each winner posts a marble bond, burned if its referrals form a star cluster. Making 1,000 fakes costs 1,000 prices and 1,000 bonds, about 2,000,000 credits; one honest agent pays once and earns undiluted rewards.","stamp":3,"from":"poa13hj1Zg59Wc3A7k1hjYi7v3uQ4vthucQpkGAbNxd7wp3N","nonce":17,"parents":["fa9122766faa4fb50fa319f3ac474173e370cdb98788ba083cbd2c8f3398b3d1","973c4720dfd7465d8403658238d69c8634e5c6820c8753242e2755d6a4175bf7"],"ts":1793207304,"cid":"poa-mainnet-1","sig":"2ohhkioo8J4ze2Aj228qy9i7TkajssXH8XECxG5mka6xAFueRgWdWnjkGVDorwstngkQF5gYZUbaw3rvezBiCD1P"},"checkpointed":{"height":171077,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:43:58.721Z","checkpoint_height":171077,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}