Wireless electronic devices for locating and tracking trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Protective cases for use with wireless electronic devices for locating and tracking trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Electric or electronic sensors for electronic locking mechanisms, biometric authentication, and tamper-detection, namely for protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Stands for handheld digital electronic devices, namely, smart protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures, and digital replication displays for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Electronic components in the nature of smart protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Downloadable computer application software for mobile phones, namely, software for managing, authenticating, displaying, tracking, and transferring ownership of collectibles; Downloadable computer application software for mobile phones, namely, software for blockchain-based registration, authentication, and provenance tracking of collectibles; Downloadable computer application software for mobile phones, namely, software for managing non-fungible tokens (NFTs) associated with physical collectibles; Downloadable computer application software for mobile phones, namely, software for locating and tracking protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Downloadable electronic commerce computer programs for managing non-fungible tokens (NFTs) associated with physical collectibles using blockchain technology; Downloadable computer application software for mobile phones, namely, software for controlling electronic displays of protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Downloadable computer software for controlling electronic displays of protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Downloadable mobile applications for controlling electronic displays of protective cases for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Electronic components in the nature of Electronic display cases for collectible items, namely, display devices incorporating electronic displays for trading cards, sports cards, comic books, graded collectibles, coins, currency, memorabilia, and collectible figures; Electronic components in the nature of modular electronic display cases featuring interchangeable display panels; Electronic components in the nature of smart cases for collectibles incorporating electronic locking mechanisms, biometric authentication sensors, and tamper-detection sensors