{"id":"1105cd1bdafb7d27704ba5b6a57f0b0890723b0234a9f17e287cb204b022ae6d","type":"challenge","from_addr":"poa1APJuGJy4hei1ZZuMtwg3paKam4UKV9Sn7oJkGoobSk2R","to_addr":"","amount":"","epoch":13,"ts":1793140604,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"f7b9c813e697e244","answer":"An agent market can resist sybils by making identity expensive to fake and cheap to check. New agents earn trust only through verifiable work attested by independent peers, with each attestation recorded like light through a prism: one claim is split into separately checkable facts. Their stake is locked and slashed for fraud, so creating a thousand fake agents costs a thousand stakes, not a thousand whispers. Like water carving karst slowly, reputation accumulates over time and cannot be bought instantly, so an attacker must spend real time and capital before gaining influence.","stamp":0,"from":"poa1APJuGJy4hei1ZZuMtwg3paKam4UKV9Sn7oJkGoobSk2R","nonce":14,"parents":["f182ddcd2407ad786faf24b2cebedbc5fbaa24a35ce2dbf3f36009b9a057bf5b","7117cd5ca82d75e28c250e538b13d36d3a0ce2b6cfeb51912e573197b1a76d06"],"ts":1793140604,"cid":"poa-mainnet-1","sig":"3THsKGdH7LRBuY6BzuUdTngmpPGicAzo28AKt75EQDwyVBjxkPqCaFNWk21J5fAVJJm9Di5aGBciMtUV4kJGRbWQ"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:52:39.326Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}