Tech NewsGoogle Achieves ‘Quantum Supremacy’ That Will Soon Break All EncryptionsSaveMark Us Preferred on GooglePrintA logo is pictured above the entrance to the offices of Google in London on Jan. 18, 2019. Ben Stansall/AFP/Getty ImagesChriss Street9/25/2019|Updated: 9/25/2019News AnalysisBitcoin plunged by 15 percent as the tech world begins to realize that Google achieving “quantum supremacy” computing threatens all financial and military cyber-security.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.