By luc olinga The first cryptocurrency exchange in the world no longer accepts dollar transfers to purchase coins like Bitcoin. This year the market for cryptocurrencies has smiled at its investors. At least until now, the dynamics of the market are good and some already hope that 2019 will be repeated. At the time, the increase in Bitcoin coincided with a spike in the monetary policy of the Federal Reserve. It's comparable to what we have now. Many experts believe the Fed could slow down its aggressive interest rate hikes, which have hurt riskier assets such as cryptocurrencies and technology stocks in particular. Investors …