Their tuta email already is post quantum so it’s not that they can’t do the security part. Idk honestly, it’s probably just the logistics of getting a lot more servers if they’re trying to make a secure cloud. I just know they posted they’ll be developing that in the future 2 years ago, now would be a great time for it to release as an alternative.
AES is already post quantum crypto so that sounds a bit marketingy.
Their tuta email already is post quantum so it’s not that they can’t do the security part. Idk honestly, it’s probably just the logistics of getting a lot more servers if they’re trying to make a secure cloud. I just know they posted they’ll be developing that in the future 2 years ago, now would be a great time for it to release as an alternative.