IIRC they did publish their encryption protocol, at least a lot of information about it is here. It's true E2EE is not enabled by default.
In the end, both encryption protocols are hidden. We can't really be sure they use what they say they are using in both cases.
IIRC they did publish their encryption protocol, at least a lot of information about it is here. It's true E2EE is not enabled by default.
In the end, both encryption protocols are hidden. We can't really be sure they use what they say they are using in both cases.