Cloud computing featuring software for use for transmitting, processing, facilitating, verifying, and authenticating credit and debit card information and transaction and payment information; Computer programming and maintenance of computer programs; Data encryption services; Design and development of software in the field of mobile applications; Electronic data storage; Electronic monitoring of credit card activity to detect fraud via the internet; Platform as a service (PAAS) featuring computer software platforms for transmitting, processing, facilitating, verifying, and authenticating credit and debit card information and transaction and payment information; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Software as a service (SAAS) services featuring software for transmitting, processing, facilitating, verifying, and authenticating credit and debit card information and transaction and payment information; User authentication services using technology for e-commerce transactions