ZYEN Chairman, David Greenberg, discusses OPEC’s Power in the Oil Market; the Potential of Renewable Energy Projects; and the Endless Possibilities for Oil Tokenization with the Launch of the New ZYEN Blockchain Energy Trading Platform SAN DIEGO, Dec. 10, 2019 (GLOBE NEWSWIRE) -- In the latest installment of Ziyen Energy’s Podcast, BOOM! It’s on the Blockchain, ZYEN Chairman, David Greenberg, discusses the complex matrix that...