Key PointsCrypto prices may be unpredictable, but trading activity tends to rise during periods of volatility.Coinbase earns a large share of its revenue from transaction fees, so it benefits from trading activity.Still, investors must be aware of the risks involved, including the likelihood of growing competition.10 stocks we like better than Coinbase Global › Crypto rarely moves in a straight line. Prices surge, then pull back. Sentiment shift…