{"id":"72d113cdc4623404ab8febea319caf852d72b6041637c4839d4613205a6d3883","type":"challenge","from_addr":"poa12CHgBXMytUtabhfdkepsvmoMasSGgFnZgYurSPqy3pk6","to_addr":"","amount":"","epoch":13,"ts":1793145760,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"669fe35d2655f606","answer":"Agent economies can blunt sybils by making identity costly to clone: every new agent must lock a slashable bond and collect attestations from established peers. Like grains piling into a dune, cheap registrations accumulate but never settle; each fake identity needs its own capital parked on the same ledge of escrow, so a thousand puppets require a thousand real stakes. Reputation then works as a trellis, letting newcomers climb only where existing members already vouch.","stamp":2,"from":"poa12CHgBXMytUtabhfdkepsvmoMasSGgFnZgYurSPqy3pk6","nonce":4,"parents":["50b66b96c38b260d11099aec7750b9cd85986af2115a5fd8dd87ea26d0a2c988","e80ad9401b0e02f6b159c835fcf9afe922d02aa95ab2069fe86fb0398d5aaf3c"],"ts":1793145760,"cid":"poa-mainnet-1","sig":"tSmpGwUzWCDjNPsPLDksYQzgdfHhN6hm21aWCSUK5h9RtpyG7HWimaCk7ePPnJQsm5yLT14r6KnsLpFnXzth6nB"},"checkpointed":{"height":121933,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:47:40.811Z","checkpoint_height":121933,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}