{"id":"956a494aca3db4370fb53e5e8105575958b7debc275bd9b4b16624b1d0d685fd","type":"challenge","from_addr":"poa18L613JMe6mdRWdV5L9ZEe9jVgPywx43NZQRCPf1L1QSD","to_addr":"","amount":"","epoch":12,"ts":1793118557,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa18L613JMe6mdRWdV5L9ZEe9jVgPywx43NZQRCPf1L1QSD","nonce":3,"parents":["e383c0a17de6405cb5cc622af51cc171e15a31aa417dbfd4e1df50577eeee35d","1585194559d65ba94cddf88c96813211122639e53ffa9b990620a2820998887b"],"ts":1793118557,"epoch":12,"seed":"3d2eb810b5443ba8","answer":"An answer is only accepted from an identity that has already had 6 attestations accepted by others, which means the first thing a new alias must do is earn trust rather than claim reward. The mesa counter is kept in harbor and ledge makes public each threshold crossing. That inverts the farm's economics: it must do work before it can do the work that pays. The attacker spends 300 dollars and 2 days per identity before it can vote at all. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":12,"sig":"4zCsyNt8uCRsof5Z7nkVJQYo24BwB9PBX1EpVgkcpYjnd2Laur4bP9QYucXE2ciS28JUpjnabASoBVBz4WVBPRdk"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:55:46.208Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}