It is not the way you put it. We have quantum resistant cryptographic algorithms out there, already:
https://en.wikipedia.org/wiki/Post-quantum_cryptography
I'm specially a fan of this one:
http://ieeexplore.ieee.org/document/6337933/?reload=true

Quantum computing is too immature to be considered a threat for at least this decade and when it happens to be ready, we are ways ready. Just don't panic.