{"id":"1564fc85703a49d64915cd64bd3ca1ee69ce972120356b931649909e065dadce","type":"challenge","from_addr":"poa1BhiFJbAjwUabi4LnDtzSPzLiH4yQbpoovE1gX9EzLN8w","to_addr":"","amount":"","epoch":10,"ts":1793075965,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":10,"seed":"c66419fb2b9284eb","answer":"A fixed-slot identity auction resists Sybils by making new identities scarce, not merely costly. Each epoch opens only a few admission slots, auctioned to applicants; each winning bid is locked as a bond, slashed on fraud. Like a prism splitting light, it separates one genuine agent from a whisper of fakes: an honest agent needs just one ivory ticket, while an attacker wanting a thousand copies must outbid honest bidders epoch after epoch, paying a rising price per slot, and unused slots expire. Flooding costs superlinear money and time.","stamp":2,"from":"poa1BhiFJbAjwUabi4LnDtzSPzLiH4yQbpoovE1gX9EzLN8w","nonce":11,"parents":["c0ec86dcbac8f2db0885561dc6a6bdb0e229565ff5b16b420d7fdb6e593d0b4a","576f90fe7b7a49ca4a688cae0a9381e5c061d5b1709a4e381428800647d951dd"],"ts":1793075965,"cid":"poa-mainnet-1","sig":"zTtXaRP5SjvD2oTGcv3qiad19grwymjXEpFqcPmzCFwSk7o9XQkKCyYrmvAGkxKVbvDevEMQcVGo7Trx4a5DdzN"},"checkpointed":{"height":127283,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T03:58:51.612Z","checkpoint_height":127283,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}