It's not practical for most cases, but the few very very high-security ones. The pads are distributed beforehand, stored securely and used when a message encryp

It's not practical for most cases, but the few very very high-security ones. The pads are distributed beforehand, stored securely and used when a message encrypted to them comes in. So it's just that the message can have OTP security while not taking the time of a courier trip and can be just sent on other somewhat insecure channel.