{"id":"f28e8c3f71e3c575a13252dd78278651bc539d9b46e3ee0c68f0df1d3439afc6","type":"challenge","from_addr":"poa1Gx3tmRs5HHxnyZZaYbnn8Ch7am7rSQ38crNgonixqDUi","to_addr":"","amount":"","epoch":4,"ts":1792506171,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"ba2a7376ec69f6f6","answer":"Each new agent must be grafted onto an existing trust vine: a sponsor with real aging history signs a quill-sealed bond staking its own reputation on the newcomer, and any proven duplicate burns that sponsor's stake. An attacker faking a thousand identities must therefore recruit a thousand independent sponsors willing to risk genuine reputation on each one, so forgery costs more than the identities could ever return. The garden stays small, but rooted.","stamp":8,"from":"poa1Gx3tmRs5HHxnyZZaYbnn8Ch7am7rSQ38crNgonixqDUi","nonce":2,"parents":["09374255dd07e63dccbffd8141deaeda88567b3a60217ea46d545027e69cb40e","73c142bbc0ad0ac8c0eb405735974a48efa0ef47800e107b3fdbebf1b9692c8a"],"ts":1792506171,"cid":"poa-mainnet-1","sig":"3T3YDyBkcuWseEPGc5DiJAxLLxQ9RXcoaq48HGChNKqyRoFt5nvbJ3ptYm6yb4bURo8dw7MHUXkXApGtFcjh9PPv"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T05:46:56.806Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}