70% on bitcoin, and 30% on altcoin, or maximize it for bitcoin only. Imagine, when the price of bitcoin rises above $ 14,000, or more than that in May, you have made a profit of almost 100%, and if you have assets worth $ 10k in the current form of bitcoin, that is a very promising profit.
however, you are free to invest in any crypto, it's just that the greatest potential currently is owned by bitcoin.