Home Blockchain Lesson #1: How to use Averages to Buy and Sell. Blockchain Lesson #1: How to use Averages to Buy and Sell. By Chris Butler - April 3, 2020 1424 0 FacebookTwitterPinterestWhatsApp source RELATED ARTICLESMORE FROM AUTHOR Why Bitcoin Gambling is Huge in Certain Regions VIP Rewards at BC.GAME $USD1 & $WLFI Now Live on BC.GAME