These crypto ETFs may look similar on the surface—but their risk profiles and long-term return drivers couldn’t be more different.The iShares Bitcoin Trust ETF (IBIT 3.95%) and the iShares Ethereum Trust ETF (ETHA 4.37%) both offer single-asset crypto exposure, but IBIT stands out for its larger asset base, higher liquidity, and stronger historical returns.Both funds are IShares vehicles designed to give investors spot exposure to a single cryptocurrency: bitcoin for IBIT and ether for ETHA. This comparison ...