....is their complete dependancy of Bitcoin. It really takes all the fun out of crypto trading.
No matter what kind of awesome progress some altcoins make....it doesn't change the trend upwards if Bitcoin doesn't allow it.
BTC still dominates the crypto-currency market and its capitalization is almost half the capitalization of the entire market. BTC is the most liquid coin and the prices of almost all altcoins depend on the price of BTC. In other words, BTC has a huge impact on the whole market