Downloadable files authenticated by non-fungible tokens (NFTs); Downloadable audio and video recordings authenticated by non-fungible tokens (NFTs); Downloadable image files authenticated by non-fungible tokens (NFTs); Downloadable multimedia files authenticated by non-fungible tokens (NFTs); Providing online information, news and commentary in the field of files authenticated by non-fungible tokens (NFTs); Providing a website featuring educational information in the field of digital files authenticated by nonfungible tokens (NFTs); Providing information in the field of digital files authenticated by non-fungible tokens (NFTs) via a website; Providing a website featuring information in the field of digital files authenticated by non-fungible tokens (NFTs); Light pens; Touch screen pens; and Electronic pens
Electrical and Scientific Apparatus