I think you are conflating cryptocurrency with blockchain-based DApps; they are different animals. See e.g. here advertised Origin protocol's whitepaper to unde

I think you are conflating cryptocurrency with blockchain-based DApps; they are different animals. See e.g. here advertised Origin protocol's whitepaper to understand threat vector for Amazon's dominance. Cryptocurrencies are IMO just a neat alpha version of what could be possible, a testing playground somebody took way too seriously; their current implementation is seriously underwhelming (i.e. <30tx/s). While neither Amazon nor Google take blockchain seriously publicly, their VC arms do.