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For the first time, IBM   https://www.ibm.com has used a quantum computer to solve a problem that eludes the leading classical methods.  This accomplishment marks a significant milestone toward useful quantum computing systems and software. 

IBM has published a paper in Nature, https://www.nature.com/articles/s42254-021-00410-6, that describes a breakthrough in Quantum computing wherein they solved a complex problem that leading supercomputing approximation methods could not handle.  This achiev

Cryptography refers to the practice of creating and using codes and ciphers to secure communication and information [2]. The encryption algorithm is a cryptographic algorithm that takes as input a plaintext and an encryption key, and outputs a ciphertext. The decryption algorithm is a cryptographic algorithm that takes as input a ciphertext and a decryption key, and outputs a plaintext [1].

The encryption key is a value known to the sender while the decryption key is a value known to the receive

A new cryptographic era is beginning where quantum computing will be able to break the encryption that underpins our entire digital society, this warning coming from Ms. Anne Dames, distinguished engineer at IBM.[1]  Speaking at an IBM press tour in Poughkeepsie, New York last, where Dames told journalists that “there’s a lot to be concerned about” when it comes to the potential threat of quantum attacks.  “We believe there will be a time when quantum computers can break the cryptographic protec