Downloadable blockchain software for administering decentralized computer blockchain applications; downloadable software which facilitates the ability of users to view, analyze, record, store, monitor, manage, trade and exchange digital assets, nonfungible tokens (NFTs), digital stored value transfer tokens, digital currency, virtual currency, cryptocurrency, digital and blockchain assets, digitized assets, digital tokens, crypto tokens and utility tokens; downloadable multimedia files containing artwork, text, audio, and video relating to real world assets authenticated by non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of downloadable files authenticated by non-fungible tokens (NFTs); provision of an online marketplace for buyers and sellers of digital assets, nonfungible tokens (NFTs), digital stored value transfer tokens, digital currency, virtual currency, cryptocurrency, digital and blockchain assets, digitized assets, digital tokens, crypto tokens and utility tokens; Issuance of tokens of value; issuing digital tokens of value; issuance of digital tokens for authenticating real world assets; issuance of digital currency, virtual currency, cryptocurrency, digital and blockchain assets, digitized assets, digital tokens, crypto tokens, and utility tokens; digital assets sold as non-fungible tokens (NFTs); financial valuation; financial valuation of intellectual property assets; valuation of personal property and real estate; Non-downloadable blockchain software for administering decentralized computer blockchain applications; non-downloadable software which facilitates the ability of users to view, analyze, record, store, monitor, manage, trade and exchange digital assets, nonfungible tokens (NFTs), digital stored value transfer tokens, digital currency, virtual currency, cryptocurrency, digital and blockchain assets, digitized assets, digital tokens, crypto tokens and utility tokens; digital assets, nonfungible tokens (NFTs), digital stored value transfer tokens, digital currency, virtual currency, cryptocurrency, digital and blockchain assets, digitized assets, digital tokens, crypto tokens and utility tokens