kazuya (31)in #bitcoin • 7 years agowhat or who can stop the bitcoin?I think the bitcoin/altcoins are going to replace the fiat money in the future but that's my opinion. This opinion is…kazuya (31)in #cryptocurrency • 7 years agoIs cryptocurrency a hype?Is cryptocurrency a hype , a bubble or is this the future of the world economy? A friend says its a pyramid scheme…