Jim Cramer sold all of his crypto holdings in late 2021 and used the earnings to buy a farm. Based on his comments from Wednesday, it sounds like he may be considering getting back in. What To Know: Wednesday on CNBC’s “Squawk On The Street,” Cramer talked about the recent bull run in crypto markets, which was sparked by the approval of spot Bitcoin (CRYPTO: BTC) ETFs in January. It’s only a matter of time before the SEC approves similar ETFs for Ethereum (CRYPTO: ETH), he said, adding that he expects the eventual approval to spur another rally in crypto markets. Apple is making headlines this…