Z ZIPPER

Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing on-line non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Providing online, non-downloadable software for decentralized key management using blockchain technology; Providing temporary use of a non-downloadable web application for providing encrypted asset custody, vault management, and secure blockchain transactions; Providing temporary use of a non-downloadable web application for minting, tracking, and verifying digital assets; Providing temporary use of on-line non-downloadable software and applications for securely managing multi-party computation wallet security; Providing temporary use of a non-downloadable web application for asset tokenization, digital asset wrapping, digital asset conversion, and cross-chain interoperability