This is true. Although the examples you give show survivorship bias. There are many new things, fads and scams that simply fade away. I don't think that Bitcoi

This is true. Although the examples you give show survivorship bias. There are many new things, fads and scams that simply fade away. I don't think that Bitcoin will be a thing in 100 years, but blockchain will still exist in some useful format. Not in the way that it is pushed by some of its proponents though.