Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable media; computer software, blank digital or analogue recording and storage media; USB flash drives; video game software; video game programs; electronic game software; sports helmets; downloadable multimedia files and downloadable data files; smartwatches; sound recording and sound reproducing apparatus; downloadable smart phone application [software]; protective cases for mobile phones; amplifiers for musical instruments; headphones; power banks; downloadable computer game software featuring virtual goods, in the nature of watches, horological and chronometric instruments, vehicle parts, vehicle parts being tires, wheels, and wheel rims, art, graphic reproductions of advertising, real-time snapshots of automotive races, photos and video clips, for use in online virtual worlds for use in online virtual worlds; non-fungible tokens (NFTs) or other digital tokens based on blockchain technology, namely, downloadable multimedia files containing text, audio, and video relating to watches, horological and chronometric instruments, vehicle parts, vehicle parts being tires, wheels, and wheel rims, art, graphic reproductions of advertising, real-time snapshots of automotive races, photos and video clips, for use in online virtual worlds authenticated by NFTs; downloadable and recorded computer software for managing and validating non-fungible tokens (NFTs); downloadable and recorded computer software for managing cryptocurrency and non-fungible tokens (NFTs); downloadable and recorded computer software for managing and verifying cryptocurrency and non-fungible token (NFT) transactions through the use of blockchain technology; downloadable multimedia file containing digital artwork and downloadable multimedia file containing digital images, all relating to watches, horological and chronometric instruments, vehicle parts, vehicle parts being tires, wheels, and wheel rims, art, graphic reproductions of advertising, real-time snapshots of automotive races, photos and video clips, for use in online virtual worlds.