I won’t say whether crypto currency can succeed or not rather I would like to ask you why cryptocurrency won't succeed.  In fact, it has already gained success and would see more successive future while people in this era prefer digital decentralized global payment system to manual payment system. In addition, you know cryptocurrencies have a strong security with the least difficulties of transaction of money. The provided words are reason of their success. Not only that, but the problems with crypto are being erased with excellency to ease the way of digital payment system for crypto.