Quantum supremacy was a lie or a failure attempt. may be they failed to break cryptography but they showed potential risks and whole crypto industry suffered. Now, google is here with smart checking bank account by google pay. And again bitcoin or other crypto giants will have hard time. Crypto provides security, can secure privacy, giant like amazon, twitter and apple are supporting crypto. Yet only price speculation is only factor that effect the crypto price, it seems.
What if google attracts millions of new investors? what if crypto fails to attract investors? Google may make the path harder
Nah Google doesn't pose a threat. Developers have realized the problem. The other day I was talking to an ex-BTC developer who said that the devs have already started looking into quantum resistant hashing. In a year or 2 we should start seeing the early versions of quantum resitant cryptogrpahy