"Bulletproof" is a loaded term,something that is bulletproof may not be sulfiric acid proof for example. Anyway, the puropose of a security solution is to redu

"Bulletproof" is a loaded term,something that is bulletproof may not be sulfiric acid proof for example. Anyway, the puropose of a security solution is to reduce risk to an acceptable degree. There are already plenty of apps and protocols that allow for secure message transmission and storage(signal,wire,tls,ssh,etc...) Why do you think GPGs task is special? FYI -- gpg is just a pgp client.