Both services are relatively insecure because they require phone authentication. In the EU at least the number can always be traced back to you if you don't buy specific burner phones.
The level of encryption isn't as important anymore at that point. It is less probable you get into problems by using a service that doesn't know your identity.
The level of encryption isn't as important anymore at that point. It is less probable you get into problems by using a service that doesn't know your identity.