Brazil’s Piemonte Holding Becomes First to Open Secondary Trading of $16.2M Tokenized Bond to Private Qualified Subscribers on Ethereum Public Blockchain Using Horizon's Technology Goal to Unlock Global Secondary Liquidity Potential in Bond Market  New York, NY, Dec. 18, 2019 (GLOBE NEWSWIRE) -- via NEWMEDIAWIRE -- GlobexUS Holdings, Corp. (“Horizon”), the...