Cryptocurrencies have proven that we Can transact anonymously without a centralized interference.
The Blockchain has proven that data can be stored in a decentralized public ledger against any form of manipulation.
Smart contracts has proven that two or more people can trust a system in which the assigned contract managing it will be fair to all parties...
When speed, simplicity and efficiency is added to all of this I think decentralization and blockchain technology can go far in the real world as regards adoption.
What do you think of the chances of cryptocurrencies to succeed?.
Despite being just a developing technology, cryptocurrencies have already proven their uses and that it has received wide acceptance in some parts of the world. Every day new crypto platforms are being developed. This only means that we will see more about crypto in the near future and the next. The regulation of it in some countries only means that the government sees the long-term potential and somehow wanted to be part of it.