Many altcoins were created to be faster or cheaper than Bitcoin
But what if Bitcoin itself could be made fast & cheap?
Meet the lightning network:
https://youtube.com/watch?v=tx...
许多比特币被创造成比比特币更快或更便宜
但是，如果比特币本身能够被快速制造出来呢；花钱少的
满足闪电网络：
https://youtube.com/watch?v=tx...