Tonic Private Equity, a private equity firm, led a $405m Series G round in Viva Republica, a Fintech company, with participation from Korea Development Bank (KDB), Altos Ventures, Goodwater Capital, Greyhound Capital, Aspex Management, Bond Capital and DUMAC. Viva Republica plans to use the proceeds of its newest fundraise to invest in its products, including digital lending and online payment service for individuals and local merchants.