Quantum Meets Blockchain
Scalability is the most commonly discussed blockchain challenge. It’s not the only one. With the rapidly increasing chances that a large quantum computer could happen within 10 years, future blockchains will have to be “Quantum-safe”.
Quantonation has published two posts on its Medium channel to assess the threat and evaluate the protections against this threat and the opportunities for Quantum Blockchains.
![](https://www.quantonation.com/wp-content/uploads/2018/12/1MGBKYrSOk6ASdDoAuJ5bBg-1.png)
Devices at the heart of a 4-node test blockchain secured by Quantum Key Distribution. Source : International Business Times, 2018.