Proton was started in 2014 by scientists who met at CERN and shared a vision of an internet that defends freedom and puts people first. Our transparency, open-source software, and rigorous …

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Proton AG is a Swiss technology company offering privacy -focused online services and software. It is majority owned by the non-profit Proton Foundation. [5]

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Dec 7, 2025 · Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 x 10^-27 kg, which is 1,836 times the mass of an electron.