It also gave all of us the "idea" of something like "Bitcoin", a form of "money" that is not controlled by the state, is achievable.
Bitcoin might fail, but the idea lives on to make a better "Bitcoin".
Bitcoin might fail? No way! it has no reason to fail.
If bitcoin already reach this point is because it was made to succeed... People believes in it, in the math behind it, and in the decentralised concept it give us, was what the world need and is imposible to go steps back.