e-Chat (ECHT): is a small project that allows you to make and send private messages between users, in order to make them confidential, and give them that level of security that some users require with their private messages, is an application of design and common use, has the ability to transfer multimedia files directly from the extension, has a very fast synchronization between devices, used the blockchain technology as a means of messages and thus can encrypt them in a very safe way, everything that is written and shared in the chats, is private the security levels are very rigorous, has the ability to receive payments directly with the message application and integrates a small wallet, its entire ecosystem is designed to work or operate directly on a mobile application.