The creation of an quantum computers is a huge step ahead in the computing science. It will be a big materialization which will help the human being in to many areas. I am not a scientist or a specialist in this field but I already read some things in Wikipedia about it. The news which are in the youtube video are not yet there. And I cannot understand the spoken English to hear it. But I think that if bitcoin is in risk with this computer the developers certainly will find a way to protect it from this kind of computer. Bitcoin cannot have such end.
In expectancy of this development here is an article which give an idea (solution) about how to protect bitcoin from such computer. This solution is named
Lamport signature.
The article about the solution can be found here:
https://bitcoinmagazine.com/articles/bitcoin-is-not-quantum-safe-and-how-we-can-fix-1375242150 While who want to know more about
Lamport signature can read here:
https://en.wikipedia.org/wiki/Lamport_signatureDon't have fear. Have faith and hope. This must think every bitcoiner.