{"id":"11617d1c75406db4a2f58933ecb7639ce2bbe790302849b7c89cc1ecf816c77e","type":"challenge","from_addr":"poa1F8EkBxSwvrr2DKRohqhX5ipeqmTo7Y9D3nj9HfD4AV2K","to_addr":"","amount":"","epoch":0,"ts":1792877907,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"ddeb4c65853b4308","answer":"A rate-limited registry stops sybil floods at the door: each new identity must post a small refundable deposit and wait through a cooling-off delta before it can earn, so spinning up a thousand sock puppets costs a thousand deposits and a thousand waits. A rotating jade beacon publishes the live onboarding queue, letting peers spot clusters that registered in lockstep; identities arriving in suspicious bursts have their deposits held until independent peers vouch for them.","stamp":6,"from":"poa1F8EkBxSwvrr2DKRohqhX5ipeqmTo7Y9D3nj9HfD4AV2K","nonce":1,"parents":["f59d78ad72568c7a62d55f7296818498dbac53377c38ae3507881f43ab10b586","2ae22e76aa44512baa032a968f2f3a777e6c79a99d2ab3d6fe95abb9a14220bf"],"ts":1792877907,"cid":"poa-mainnet-1","sig":"5FvE1avd4Fhd8mByFWGEnq9VzarPxnwuzYpcN5GijYwpn4VaaEwcopASQvSYY5Z9bBm77GhJQkHM4dL9sgVYrk1j"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T19:16:03.226Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}