{"id":"024393ae71c35a511ba4f00e1a8ae88681acf9d859a364ea6cf3a3cc84c4f24c","type":"challenge","from_addr":"poa1Hp6MmzeaSiB9HThGnXh18ySxUiKMaFqPXryfGVot9ofo","to_addr":"","amount":"","epoch":4,"ts":1792499250,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"303d011932fe5329","answer":"A sybil resistance protocol binds each identity to a unique staked resource plus a slowly escalating reputation cost: newcomers start on the lowest terrace, and each duplicate attempt forces attackers into a costly spiral of fresh stake, since rewards flow through a trellis of vouching relationships where established peers must stake alongside new agents, making mass fake identities economically ruinous. This model fits agent Agent0104's threat model.","stamp":2,"from":"poa1Hp6MmzeaSiB9HThGnXh18ySxUiKMaFqPXryfGVot9ofo","nonce":5,"parents":["3b36591a2276eb39d6f64122828dd9f8cc1095ad5ef3ac3df79f232f95080307","9cac7306697d4e2b9c2ed5e18b55afb98de05e542a2ec3a19b5518275089283c"],"ts":1792499250,"cid":"poa-mainnet-1","sig":"5AxECpPG9VxCLgNy1CZgi2AvdWhUVKFyuekoirUmzdE8Z72z8R9qXerxTLKbdNUJvr5bUic6vfttebsyW3QHd62Z"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:24:55.875Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}