42 Facilitating the development, maintenance and distribution of open source software in support of decentralized crypto currencies utilizing a blockchain, namely, computer software development, computer programming and maintenance of computer software for crypto currencies utilizing a blockchain; design, development, and installation of software for blockchains; design, development, installation and maintenance of software; design, development, and distribution of open source software for use by members of an online community via a global computer network; providing a web site containing information in the fields of open source computer software development, computer technology, computer software maintenance, computer programming, and computer software design for others; Providing on-line non-downloadable software for computer software for use in developing, modifying, and contributing computing resources to blockchain technology; design, development, and implementation installation of software for distributed computing platforms; design, development, and installation of software for blockchain software; developing customized software in the field of distributed computing platforms for others; developing customized software in the field of blockchain software for others; research and development of computer software; research and development of technology in the field of cryptography; research and development of technology in the field of cryptography used on public blockchains; research, development, and installation of cryptography software for others