Kraken launched support for tether-USD (USDT/USD) trading on March 29 and now adds 2x leveraged margin trading for this pair. Further enhancements to the margin program include higher 5x leverage for other trading pairs: Bitcoin-USD (XBT/USD): 5x Ether-bitcoin (ETH/XBT): 5x Ether-EUR (ETH/EUR): 5x Ether-USD (ETH/USD):…