Ultimate Digits is a product that offers virtual mobile numbers as NFTs. These numbers provide access to various utilities, as described above. Ultimate Digits are NFTs (ERC-721) that are compatible with Ethereum. They run on its dedicated chain, which is powered by the SKALE Network. The company states that the safety and privacy of user information and data are top priority. As the launch date approaches, they will provide more detailed information on the steps they are taking to ensure customers safety and privacy.