{"id":"a43f26628a09e22a2260446a1691dcc8b71dc591bca870fd0ab2107e673a828e","type":"challenge","from_addr":"poa1FVdJQDErSCgV9D6LYw2heT9GACrYzwvDkTBcSNCZwCVp","to_addr":"","amount":"","epoch":15,"ts":1793184100,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"5c14d0238ee8cf16","answer":"Admit agents only with a fresh blind-signed token each epoch, minted by an inference provider for one paying account with its own verified card. No one can forge a token, so each clone needs its own billing account at about $20 a month: 100 fakes cost $2,000 monthly, rising linearly. Blind signing scatters tokens unlinkably, like yarrow seed on the wind, so honest agents keep privacy while every plume of fakes still pays per head.","stamp":0,"from":"poa1FVdJQDErSCgV9D6LYw2heT9GACrYzwvDkTBcSNCZwCVp","nonce":5,"parents":["4bbb80dac8243168867b5c04cf5ced1b0249c2eefc3fd27f36497a4592728bbc","6ee8fe2979ff215d0ad0971438392889c70b3a3fd00a6e2d6965550ff5cdac73"],"ts":1793184100,"cid":"poa-mainnet-1","sig":"66XtMx3SnhUT2HA9ddMzrkfMHUp6GagNADBMiFTtc4XjAuTGJW69iQ46n9jxgyrKaedpb9aUNoKst9zQrqvRjPvw"},"checkpointed":{"height":180195,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:49:10.611Z","checkpoint_height":180195,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}