How Did A LeBron James Video Highlight Sell For $71,455? A Look At A Burgeoning Product Called NBA Top Shot. TOPLINE In yet another sign of the upward ascendancy of both the sports card and digital collectibles markets, three limited-edition NBA highlight video cards have sold for more than $30,000 over the past 10 days on NBA Top Shot, a blockchain-based platform that allows fans to buy, sell and trade numbered versions of specific video highlights. Los Angeles Lakers forward LeBron James (23) sails in for a breakaway dunk against the Trail Blazers ... [+] LOS ANGELES TIMES VIA GETTY IMAGES KEY FACTS NBA Top Shot is a joint venture, started in July 2019, between the National Basketball Association, the NBA Players Association and Dapper Labs, which is best known as the creator of CryptoKitties, long considered the world's most popular blockchain-based game. According to Dapper Labs Chief Executive Officer Roham Gharegozlou, NBA Top Shots, which are the vid...