Cryptocurrency The sports trading card boom: Baseball cards selling for millions and the crypto craze hits NBA Top Shots – CNBC March 6, 2021 Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Email The sports trading card boom: Baseball cards selling for millions and the crypto craze hits NBA Top Shots CNBC READ SOURCE READ A 90x return in five years? Former Goldman hedge-fund manager says an 'enormous wall of money' is coming - MarketWatch