Many new inventions fail to do what they set out to originally do.That does not make them less valuable. Viagra started out as an anti-angina drug, Coca cola wa

Many new inventions fail to do what they set out to originally do.That does not make them less valuable. Viagra started out as an anti-angina drug, Coca cola was originally a cough syrup, VCRs found an initial niche in recording porn. If Bitcoin fails as a currency but succeeds as a store of value, that's still a win.