Cryptocurrency is just the first use of a technology called 'blockchain' that is slowly spreading into (and potentially shaking up) other pursuits, such as real estate, music and gaming.
A representation of the cryptocurrency Dogecoin is seen in this illustration taken November 29, 2021.(photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByJON HEALEY/LOS ANGELES TIMES/TNS
