Chesnot/Getty Images Bitcoin surged 5% on Wednesday to reclaim the $50,000 level as more firms eye exposure to the cryptocurrency space.PayPal is said to have paid more than $200 to acquire Curv, a crypto custody firm based in Israel, while Goldman Sachs revived its crypto trading desk.The surge higher also follows SEC nominee Gary Gensler's testimony to Congress.Sign up here for our daily newsletter, 10 Things Before the Opening BellBitcoin spiked 5% and reclaimed the key $50,000 level on Wednesday as more businesses are seeking exposure to the growing cryptocurrency space.Bitcoin hasn't traded above $50,000 since late February, following a more than 10% sell-off that saw the cryptocurrency fall to below $45,000.