Digital Advertising Blockchain XCHNG Demonstrates 180,000 Transactions Per Second And Adds Ad Veteran Mark Connon To Advisory Board

PRESS RELEASE PR Newswire GRAND CAYMAN, Cayman Islands, Feb. 23, 2018 /PRNewswire/ — Kochava Labs SEZC, a research and development subsidiary of Kochava Inc., announces a new advisor to XCHNG, the open source blockchain framework for the digital advertising ecosystem….