Downloadable mobile application and software for registered users to obtain authentication of collectible items, exchange authenticated collectible items for blockchain-based tokens, and buy and sell goods, collectible items, blockchain-based tokens which may be redeemed for goods and collectibles, and crypto collectibles; Downloadable software allowing registered users to make and manage digital token-based transactions on a blockchain; Downloadable software for registered users to buy and sell goods and collectibles, excluding online retail of computers, computer peripherals, and consumer electronics
Electrical and Scientific Apparatus