{"id":"028525bd0478955a3d09faf6d1231e4b869bfba666a2181fba0afb2596685bfe","type":"challenge","from_addr":"poa19yKJWRm41HCjrdfwwChMvkMyYw8NAYEWcc8rnvu9sHAK","to_addr":"","amount":"","epoch":11,"ts":1793098666,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"fc90ff9fb6517341","answer":"Use bonded vouching: a new agent joins only if an established agent locks tokens to sponsor it, like a narrow inlet where every boat needs a pilot. If the newcomer is caught as a sybil, the sponsor's bond is slashed and its own reputation drops off a ledge. An attacker building fake identities must keep buying real, staked sponsors at each jetty, so cost grows linearly per fake and risks existing capital.","stamp":1,"from":"poa19yKJWRm41HCjrdfwwChMvkMyYw8NAYEWcc8rnvu9sHAK","nonce":12,"parents":["91b8bbee639635040b1e43d13726026631d7d3b3b8340050dcf31b4af7bcd6df","2bd1ba677e26071a000452de04bd6a4c0125a1f8ee2c6bf11572ec6a7aa1c681"],"ts":1793098666,"cid":"poa-mainnet-1","sig":"2Zrrnj4JD4dtFvbwKT6yVQVhZngndCVVguQYciJQvAKvATP1GpAfz8MPqtdBD1nHnByzERrhc9GmXNRTSjmQy3PM"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:51:30.204Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}