How can governments stop or ban something that can not be banned

bitcoin position
In an exclusive interview with cnbc news channel with John McAfee, owner of McAfee AntiVirus and owner of one of the largest digital currency miners in America, he said that bitcoin was not and would not be a bubble where a few months ago he did not expect much that the Pitcuen Selams 3000 dollars but see what happened to touch 5000 $
The near-term, medium and long-term trend of bitcoin is bullish
As for mining it does not care about the bitcoin price rose or say it wins in both cases
In the case of a lower price of Betquin, the competitors are less mining and the difficulty of mining is therefore less and thus earn more
In the matter of price increase bitcoin due to its link to blockchain technology, he said there is no relationship between them but the romantic relationship between the blockkin and digital currencies, where the bitcoin
For ease of use, money transfer, decentralization and non-reliance on banks, all this makes the person who uses the currency does not use traditional transactions in banks to transfer his money again
As for the increase in the price of Bitcoin is to increase the confidence of people and ease of dealing and gave an example to use the Card Card to buy the Shi need to enter card information and address of residence where you need 10 minutes either Bitcoin only need your address in the wallet
All of this makes digital currencies an easy way to transfer money and buy widgets easily
As for some governments that want to regulate or ban digital currencies, Mr. McAfee adds that he can not stand in the way of currencies because there are some currencies that can never penetrate such as Monero and Litecoin
How can governments stop or ban something that can not be banned ???? ????

Whatever kind of trade or goods can be traded via digital currencies, governments can not stop them
Commenting on JPMorgan's manager, when he said that the Betquin was fictitious, Mr. McAfee told him as two coins, the cost of mining all of the PeteChoen cost $ 1,000 as proof of work costs. We use mining machines and hundreds of thousands of dollars
But how much does it cost to print dollar bills
So who is the delusional in this case ???
In the end, McAfee adds, and reassures the audience that digital currencies remain and will evolve and no one can oppose digital technology
good night