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 1491 0 FacebookTwitterPinterestWhatsApp source RELATED ARTICLESMORE FROM AUTHOR The Role of AI in Modern Crypto Casinos Why Crypto Casinos Offer Better Bonuses Than Traditional Casinos How Volatility Can Work in Your Favor When Playing with Crypto