4-72 is the disruptive concept of digital identity. We start from the bureaucratic sovereign identity you already have to enter the digital ecosystem, and we give you the option of having your self-sovereign digital identity, where only you can control what data, with whom and even when you share it. For this, we facilitate the possibility of establishing encrypted connections using QR codes, which will be verified at points of attention, allowing you to access the digital services that 4-72 offers. Likewise, you can accept consumer credentials, identity credentials and many more, allowing you to forget about physical cards and upload everything in one secure place; receive notifications, giving you the peace of mind and security that you will not receive junk information or be a victim of phishing; likewise, you can receive confidential documents or upload them so that you can sign them with your own digital signature with the guarantee given by an entity certified under international standards.