: You will typically need to provide your legal name, address, and Social Security number for identity verification (KYC) .

Popular options include Amplify Transformational Data Sharing ETF (BLOK) and Global X Blockchain ETF (BKCH) .

: Choose a provider based on your needs. Fidelity and Charles Schwab are reputable for long-term investors, while Webull or Robinhood are popular for mobile-first beginners.