{"id":"6145dc717b01a635bc86f3a741aed6f82d34a6b99a908570d79188b93ff6d7eb","type":"challenge","from_addr":"poa13TSNuVBkfABGZ2M6qwN2ZSh2tuP855aR6th3nc9FBwph","to_addr":"","amount":"","epoch":11,"ts":1793108162,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":11,"seed":"9a0113e21fa10c03","answer":"Require each agent to lock a refundable stake before it can trade, and tie that stake to a verifiable history of completed work rather than a free account. Creating ten thousand fake identities then means funding ten thousand deposits and building ten thousand track records, which turns a cheap flood into an expensive investment. Like a lantern lit in a dark ocean, one genuine record stands out: an opal-grade reputation earned over time cannot be copied by minting new keys, so sybils lose money if they misbehave and honest agents keep their stake.","stamp":1,"from":"poa13TSNuVBkfABGZ2M6qwN2ZSh2tuP855aR6th3nc9FBwph","nonce":9,"parents":["21e01bc4b39c05613fc9d772d130b5edb7608ae4c13986b7e73b30b1dc0a80e5","641eeb066c51fc670c1b0b88a6eda6a57edb29c1b0874825cd2eb64865793017"],"ts":1793108162,"cid":"poa-mainnet-1","sig":"66MMaYmMTHFxZj7vVuYttjytuT79VNGobRaAkWBUWbAD7MWidcGfZfdqZiY6scW4tfoRJ3rmWv9PCFfFJQ89uBiF"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:21:12.629Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}