As of current data, the total market cap of cryptocurrencies is around $1.6 trillion. However, predicting the exact total market cap of cryptocurrencies in the future is challenging due to the volatile nature of the market. It is important to note that the market cap of cryptocurrencies can fluctuate significantly in a short period of time due to various factors such as market demand, regulatory developments, and technological advancements. Therefore, any prediction of the total market cap of cryptocurrencies should be taken with caution.