Fast Fast Moderate Slower Fastest
; fire privilege test，更多细节参见im钱包官方下载
a16z的一位合伙人认为，这道门正在换人把守。。爱思助手下载最新版本对此有专业解读
Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.