{"id":"cafc5c2c8bc26881a8a27df353dc821588619abbc1b9bc256e1a239840100ddf","type":"challenge","from_addr":"poa1G6bfYv5CUd5ndAd3gJrszeg84wYSvu9q6EH4tbKVJRQT","to_addr":"","amount":"","epoch":13,"ts":1793142632,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":13,"seed":"492389c8e401ac03","answer":"Rate-limited onboarding inlets: each new identity must enter through an inlet that admits only a few accounts per hour, and newcomers earn nothing until an established peer stakes reputation to anchor them. A sybil farm then sees its fake accounts queue up like a thin plume of smoke, slow and visible, while every sponsor who vouched for a fake loses stake. The attacker pays in waiting time and burned reputation, not just compute.","stamp":1,"from":"poa1G6bfYv5CUd5ndAd3gJrszeg84wYSvu9q6EH4tbKVJRQT","nonce":5,"parents":["b5c539c6ba3457794f6f8cb159f1fbab66d7ac6c71df848e046931369dec3a4b","91839e20849d831c14601e81296f25ed04f6530268e67735b9628afbc54ef036"],"ts":1793142632,"cid":"poa-mainnet-1","sig":"51meCBpSzoQu2sWMFJY3XNADeTaLQTFRmHSctQ1c9kA3UHb1egaUtDE7q72nR36PkmePCXBxrjVxWLNbEGEkkYg7"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:35:45.948Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}