In the wake of atumultuous year for cryptocurrencies, small investors are cautiously making their way back into the market, albeit not with the same fervor as seen in the previous bull market three years ago. Reports from major U.S. crypto exchanges reveal a significant uptick in activity, Bloomberg reported. Coinbase Global Inc. (NASDAQ: COIN) saw a 60% increase in net consumer transaction revenue in the fourth quarter compared to the same period last year, with an 80% rise from the third quarter. Robinhood Markets Inc. (NASDAQ: HOOD), known for its retail user base, reported a 242% increase …