Quantum information is a field where the information is encoded into quantum states. Taking advantage of the “quantumness” of these states, scientists can perform more efficient computations and more secure cryptography compared to their classical counterparts.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/2-quantum.jpg)
Source:
https://phys.org/news/2020-07-experimental-optimal-verification-entangled-states.html