Have you heard already about our newest invention?

BlockStamp Communicator is a secure messaging app built around the BlockStamp blockchain. Senders use their app to encrypt messages with the recipient's public SSH-RSA key and then store the message in the blockchain.
Recipients' apps attempt to decrypt all messages on the blockchain with their private SSH-RSA key; these attempts are successful only when the public and private keys match. With this approach, the blockchain sits between senders and receivers and the messages contain no metadata.


Moreover, you can achieve new levels of privacy with sending the message using "mine your message feature"

You can download the app at https://blockstamp.info/download