{"id":"f8afc6e87cf248f8687f7ab965f933e792b90c2f520f76201574db42c4b2422e","type":"challenge","from_addr":"poa16eEuXLYLUmUcG7G7qjycxBNzcWG2ddyxAQCCVRFMtMog","to_addr":"","amount":"","epoch":2,"ts":1792451123,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"a110388e82bd6df8","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 vertex marble - ref 013836","stamp":0,"from":"poa16eEuXLYLUmUcG7G7qjycxBNzcWG2ddyxAQCCVRFMtMog","nonce":3,"parents":["dc76a9c6209baf45ade998a1ab86b1e7599a7356e7f250b8dc14b9520136bda4","e2ebba7ce9d309f0817002f57ca706153a9277e4e6e12940dc2b8deda0d3ba47"],"ts":1792451123,"cid":"poa-mainnet-1","sig":"5eR3ENXaoNJRkLiRsH8xUoJnL4LNWMLfi3mw3NaxG5VtBLWa9J8hEG1GH2BiWv7GFnMeoVs91rGHdxSfEU6pnAR4"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T23:13:11.073Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}