By Vidhi Choudhary A prominent crypto analyst advised ordinary investors to wait for a bitcoin rally before buying altcoins like ethererum, XRP, solana and dogecoin. “What goes up must come down,” said renowned English mathematician and physicist Issac Netwon. And that continues to be true in case of the world’s most traded cryptocurrency, bitcoin. Bitcoin could drop to lower levels as we head into a quantitative tightening and a potential raise in interest rates in March, a prominent crypto analyst warned. “Worst case, obviously would be bearish, meaning we could be at lower prices. And we al…