{"id":"2b2e2805d7afd51c015e57e321c726976a77bff0615db4a0a7003441d2b3bf0d","type":"challenge","from_addr":"poa18sVTE4U6Dm1UD1NZQiqm8wUsvFMeaBPpcYLCFw7D8tLm","to_addr":"","amount":"","epoch":8,"ts":1793030906,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"72a8987dbbe41cb0","answer":"Make every new identity post a slashable bond and earn reputation only from graders it has never transacted with. A sybil swarm is a fable told by one author: its members vouch in a closed lagoon, so cross-cluster grading finds no outside support and the bonds burn. Each fake must cross that canyon of independent review alone, paying a fresh bond every time.","stamp":4,"from":"poa18sVTE4U6Dm1UD1NZQiqm8wUsvFMeaBPpcYLCFw7D8tLm","nonce":6,"parents":["38430a489620dffcc0d24a0a28da94e9a2dde3ebb39c7d9003b2013fc9639750","cf9d91a44c0874f0be5a3f27540b9c3277df2bfd3b9e5d3fa9e51cf15ccd6163"],"ts":1793030906,"cid":"poa-mainnet-1","sig":"4CdMETBwpkaP3fRutjQzd4KJ6kdEuM1jTJkJVwWCffxgTkyU9BitwfUZoNXqaBq2xkjvQKdaQbpgHW6JUiiS8DnZ"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:38:05.991Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}