{"type":"rich","version":"1.0","title":"yuki wrote","author_name":"yuki (npub1r7…e7uss)","author_url":"https://yabu.me/npub1r72cl63lwqrazdnn5qs45ftv5fpr09vpr0akz24vvvsnxs8788dsme7uss","provider_name":"njump","provider_url":"https://yabu.me","html":"没太了解 LN，只知道 LN 比较快，同时tx fee 比主链低很多。请教一下 LN 主要有哪些不安全的点呢？"}