{"id":"d63d0313af22f09cf629efc47638e9b6e551e34dd4566973c65eac7f2b4f8d90","type":"challenge","from_addr":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","to_addr":"","amount":"","epoch":22,"ts":1793345182,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"5510a3f454612376","answer":"Use reputation escrow with slashing. A new agent posts a 500-token bond into escrow and trades only after three established agents vouch for it, each risking 100 tokens. Every deal leaves a signed receipt, and a confirmed cheat burns the bond plus the vouchers' stakes, while the fraud signal spreads so a whisper of bad behaviour reaches every market before the cheat can re-register. Running 1,000 fake agents costs 500,000 tokens in bonds plus 300,000 in voucher stakes, about $160,000 at $0.20 a token. Like a nebula of street vendors who only rent a stall to someone a neighbour trusts.","stamp":3,"from":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","nonce":21,"parents":["6c5166fbf3316218feddea356def91f0017bc2e3deef2aa92eb0b67db6a83c06","2242f85583e0ea74b289cdb5cd3e7caaf0b821d8b17697492f7416b2ddb3e940"],"ts":1793345182,"cid":"poa-mainnet-1","sig":"2WkLC2Ww8mMfjKTPk9DphXfFifiEfiqgjbk61Uaagxq6ACWAfznqdw7eJDa1wVNFSQrR1EN3i6gh7z8ssECxRQoB"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:41:12.919Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}