But the cost of building quantum computers is so great that there are only a few organisations with deep enough pockets. Additionally, a flexible commit-and-delay approach would be used where the user can adjust transaction confirmation time based on their willingness to assume greater potential risk to the quantum hijacking of the Public key during the mining process. Artificial urban islands could supply homes in Maldives as waters rise Naked mole rats reveal biological secrets of lifelong fertility AI spots Mesopotamian archaeological sites in satellite images Quantum computers could run programs that should be too big for them AI with no visual sensors generates an internal map to finds its way. Quantum physics is like being able to play soccer using your hands. Cybersecurity specialist Itan Barmes led the vulnerability study of the Bitcoin blockchain. January 30, The specific design Universal Quantum is targeting does have one trick up its sleeve, though. As for quantum cybersecurity mitigation strategies on cryptocurrency exchanges, he believes it is far too early for quantum computing to be an issue. RSA, the common asymmetric approach, is based on factoring large numbers but has to resort to increasing sized keys.