Providing on-line non-downloadable computer software for accessing, developing, building, and operating blockchain applications and platforms and for enabling users to electronically access a blockchain-based and distributed computing platform and applications; Application service provider featuring application programming interface (API) software for blockchain based platforms; Providing on-line non-downloadable computer software for the creation and implementation of blockchain and smart contracts; Providing on-line non-downloadable computer software for the cloud storage of data; Design, development, and implementation of software; Design, development, and implementation of software for distributed computing platforms; Design, development, and implementation of software for blockchain applications; Design and development of computer hardware; Design and development of computers, electronic computer hardware, and identity-verifying electronic devices, for user identity authentication and verification; Design and development of computers, electronic computer hardware, and identity-verifying electronic devices, for user identity authentication and verification for purposes of uniqueness verification and identity verification; Design and development of identification equipment for individuals, namely, optical apparatus and instrumentation for recording and processing sound, images, and data; Design and development of identification equipment for individuals, namely, optical apparatus and instrumentation for recording and processing sound, images, and data for purposes of uniqueness verification and identity verification