A true portable app must replicate all three of these on a USB stick. Standard portable launchers (like Cameyo or ThinApp) often fail because they cannot virtualize the operating system's cryptographic API calls required by Proton's OpenPGP implementation.
This is the gold standard for privacy activists and journalists, but it is overkill for checking personal email at a hotel business center.
Before diving into Proton Mail specifics, we need to define our terms. A is a program that:
A true portable app must replicate all three of these on a USB stick. Standard portable launchers (like Cameyo or ThinApp) often fail because they cannot virtualize the operating system's cryptographic API calls required by Proton's OpenPGP implementation.
This is the gold standard for privacy activists and journalists, but it is overkill for checking personal email at a hotel business center.
Before diving into Proton Mail specifics, we need to define our terms. A is a program that: