Design of software and computer systems for managing and mining cryptocurrencies; Cloud computing featuring software for use in mining of cryptocurrency, namely, mining of cryptocurrency and auditing of cryptocurrency transactions; Computer programming and computer software design services, namely, design, development, and implementation of software solutions for digital currency security for bitcoin and cryptocurrency transactions; computer programming and computer software design services, namely, design, development, and implementation of software for Hierarchical Deterministic Multisignature (HDM) wallets and third party verification services for bitcoin and cryptocurrency transactions; computer systems analysis services related to digital currency transaction software for transactions involving Bitcoin and cryptocurrency; creating and maintaining websites for others which websites feature technology that enables users to engage in pooled mining of bitcoin and cryptocurrency, namely, the shared computational processing and verification of financial transactions conducted using bitcoin and cryptocurrency; creating and maintaining websites for others which websites allow users to share, comment on and learn about issues related to open source peer-to-peer currency; rental of computer software, namely, providing temporary use of non-downloadable software for use in collecting, transferring, receiving, tracking, storing and transferring bitcoin and cryptocurrency; rental of computer software, namely, providing temporary use of non-downloadable software for use in collecting, transferring, receiving, tracking, storing and transferring open source peer-to-peer currency; rental of computer software, namely, providing temporary use of non-downloadable software for use in accessing, reading, tracking, and using blockchain technology