Providing online non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency, for use by members of an online community via a global computer network; providing online non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency, incorporating cryptographic protocols, operating through the internet, and used as a method of payment for goods and services; Providing on-line non-downloadable software for a proof of stake distributed consensus protocol; providing a website featuring technology that enables users to generate printable cryptocurrency wallets, for use by members of an online community via a global computer network; providing a website featuring technology that enables users to generate printable cryptocurrency wallets, incorporating cryptographic protocols, operating through the internet, and used as a method of payment for goods and services; cryptocurrency hardware wallets, computer hardware for cryptocurrency mining, computer hardware for providing a proof of stake distributed consensus protocol, computer software for use as a cryptocurrency wallet; computer application software for blockchain-based platforms, namely, software platforms for distributed applications and software using a consensus engine incorporating blockchain technology for securing data with cryptographic information; computer software platforms for developing, building, and operating of distributed software applications and distributed computing platforms; computer software platforms for blockchains; computer software platforms for providing non-fungible tokens; monetary services; real estate services; financial services; insurance services; blockchain services; cryptocurrency services; cryptocurrency node validation services; decentralized finance services; data storage services; data security services; authentication services; Software as a service (SaaS) services featuring software for providing an online portal for users to advertise for the private purchase or sale of cryptocurrency, music, art, digital assets, namely, audio, video, text, photography, illustrations, still images, moving pictures, real-time, interactive, 3D and immersive extended reality (XR) content; Software as a service (SaaS) services to negotiate agreements, and obtain automated escrow services for their transactions; Platform as a service (PaaS) services featuring software for providing an online portal for users to advertise for the private purchase or sale of cryptocurrency, music, art, digital assets, namely, audio, video, text, photography, illustrations, still images, moving pictures, real-time, interactive, 3D and immersive extended reality (XR) content; Software as a service (SaaS) and Platform as a Service (PaaS) services to negotiate agreements, and obtain automated escrow services for their transactions; Maintaining escrow accounts for supporting execution of purchases and sales of cryptocurrency, music, art, digital assets, namely, audio, video, text, photography, illustrations, still images, moving pictures, real-time, interactive, 3D and immersive extended reality (XR) content between other parties; Online services, namely, message sending; Downloadable computer application software for mobile phones, namely, software for individuals to upload and sell artwork and digital assets, namely, audio, video, text, photography, illustrations, still images, moving pictures, real-time, interactive, 3D and immersive extended reality (XR) content in an online marketplace