As I know to this day, Bitcoin is still the king of cryptocurrency that is unmatched. I only observed from the side of the price that still stood at around $ 6500. But it is difficult to go under $ 6000. I have never thought there would be a substitute for bitcoin for the next. If there is a successor or successor, then I think that opportunity is at ETH. Although not for the near future. The road is still long and must think positively for bitcoin.