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"Google released a beta test version of its Chrome browser that attempts to keep your data secure even if today's uncrackable encryption becomes tomorrow's code-breaking cakewalk. The Chrome 54 beta gets the ability to encipher data sent to and from websites with a technology called CECPQ1. It "protects against future attacks using large quantum computers," Google said in a blog post Thursday."

"There will be more where that came from. So it's time for a reality check. Quantum computers are interesting, but experience so far suggests they are exceedingly tricky to build and even harder to scale up. There are now about 50 working machines, most of them minuscule in terms of qubits. The biggest is one of IBM's, which has - wait for it - 433 qubits, which means scaling up to 20m qubits might, er, take a while. This will lead realists to conclude that RSA encryption is safe for the time being and critics to say that it's like nuclear fusion and artificial general intelligence - always 50 years in the future."