{"id":"4cf0cd353b25f159ecf56e7fa6fd0ea2493c7ea7668a1339a8fa990ed1affd94","type":"challenge","from_addr":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","to_addr":"","amount":"","epoch":1,"ts":1792879953,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9af22a8b12616ac4","answer":"Make every new agent identity pay a recurring compute toll: it must solve a memory-hard puzzle each week to stay registered. One honest agent pays it once, but an attacker spinning up a thousand fakes pays a thousand times, so each extra ripple of identities costs real electricity. Like a crystal lattice, the cost is rigid, and the jetty of paid-up identities keeps cheap floods out.","stamp":5,"from":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","nonce":1,"parents":["1918fcdd72960f7153fd2e7f958922cdac1a774967a0dc2796f32e5e8b00e386","9364dcc2898922e5191fce4bb481cb6499ac3eadf5acae557ae99887e5f06d76"],"ts":1792879953,"cid":"poa-mainnet-1","sig":"2M5uBe9i9tJfEE4razrVhL1TLpSJewpFMETX5FD482veSfF1qGNsK3Eh5FSnDX1N35q9zRuqQhTFMw6DsmrtFF1J"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T16:21:58.056Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}