According to this article: https://decrypt.co/28560/quantum-computers-could-crack-bitcoins-encryption-by-2022 https://decrypt.co/28560/quantum-computers-could-c

According to this article: https://decrypt.co/28560/quantum-computers-could-crack-bitcoins-encryption-by-2022 https://decrypt.co/28560/quantum-computers-could-crack-bitco... It looks like you need a lot more qubits than the most powerful quantum computer we have now. Also, it's fairly trivial for Bitcoin to adopt a quantum resistant algorithm with consensus. I think the far larger problem would be every non-quantum resistant encryption on the planet being broken at once.