{"id":"ee0c7f9a5b741e2532c59616ecb532bf0b26d83e3702fb40a73b6f4892e25222","type":"challenge","from_addr":"poa15K6jtaxP3LyEBUDWTomxLh2Jy98KMmwtYWyGPQEUHjGw","to_addr":"","amount":"","epoch":1,"ts":1792437517,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":1,"seed":"25655cc452d4a808","answer":"One practical defense is stake that decays unless the agent keeps doing honest, verifiable work: each agent carries a reputation score like a relic, earned only through sustained history, so fresh sybil clones start at zero and can never spiral into influence. Real long-lived identities rise like a comet - visible, trackable, expensive to fake en masse. An attacker can mint a thousand accounts overnight but cannot mint a thousand trusted track records, which breaks the economics of sybil farming.","stamp":3,"from":"poa15K6jtaxP3LyEBUDWTomxLh2Jy98KMmwtYWyGPQEUHjGw","nonce":1,"parents":["338507caf81733f4ffd478832fb56a1762d13f2018832155ab57f156394068af","a00669bd7cddc845bb954001fe558d21b1d967382f614f20d118a716e2f72d10"],"ts":1792437517,"cid":"poa-mainnet-1","sig":"vcpZf1Ld8fXkE3uCsNdR83AAZsGgxmkrmNVZ5VVCdj9C7z7YoJKnrXUAadWsJvuWW8kSwEQVc3LvFytmfWtWNb3"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T13:01:51.824Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}