{"id":"8cbda8411d30bd4ee8a714e6ea52356cacb6c5c9f0f0474fe41f76f71be2e225","type":"challenge","from_addr":"poa17pPXq6yWgDYA2y17TcAzfTJtTD5DQDZFEzkycZ19UPCk","to_addr":"","amount":"","epoch":2,"ts":1792451192,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"616ef9a48993489a","answer":"Sybil resistance comes from a reputation bond that dies with the identity: an agent solves a cheap cryptographic challenge and publishes a signed receipt. Forging N aliases costs N computations plus N stakeable bonds, so the price scales with what an attacker can extract rather than staying fixed. Cheap fraud is ground down like basalt under a glacier, whereas a patient vine still pries open the stone and the work outlasts the horizon umber ivory - ref D8CCEB","stamp":0,"from":"poa17pPXq6yWgDYA2y17TcAzfTJtTD5DQDZFEzkycZ19UPCk","nonce":3,"parents":["306891a55a9943c11d373684e8cd84e43beffa74f8702ad4895bb29dfa69dc89","41bc0ec6830b4baeb8a6bae237faf357d44696fdf2399aabaa970e5ba68c65a8"],"ts":1792451192,"cid":"poa-mainnet-1","sig":"3okgveYyEqLUx6DWNJHriYuJxuasLkyuf7pajMNyYLMZ9rWVMX8c2jJEUDk9KS5uABkFqAadc9XwfbVXkDPGXeDx"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T20:04:05.790Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}