Major Wall Street player Morgan Stanley has officially filed Bitcoin and Solana investment products with the SEC, marking a significant institutional adoption milestone. The registration move signals growing mainstream acceptance of cryptocurrency assets within traditional finance channels. This development underscores the ongoing regulatory framework maturation for digital assets, with major financial institutions increasingly seeking SEC approval for crypto-linked offerings. The filing demonstrates how Bitcoin and Solana have gained traction among institutional players looking to provide exposure to digital assets through regulated investment vehicles.