Bitcoin Basics

Bitcoin Newsletter March 20, 2026

5 Significant Bitcoin & Adoption Stories (from March 13–20, 2026)

1. Strategy Expands Corporate Treasury Strategy purchased an additional 22,337 Bitcoin worth $1.57 billion this week, further cementing its status as the world’s largest corporate Bitcoin holder. Key Takeaway: Major corporations continue to embrace Bitcoin as a core treasury asset amid market fluctuations.
2. Morgan Stanley Advances Spot Bitcoin ETF Morgan Stanley filed its second amended S-1 for the MSBT spot Bitcoin ETF, detailing custody partnerships with BNY Mellon and Coinbase plus distribution through its advisor network. Key Takeaway: Wall Street giants are integrating Bitcoin ETFs into mainstream finance, accelerating adoption.
3. iShares Bitcoin Trust Gains Collateral Approval The SEC approved BlackRock’s iShares Bitcoin Trust for use as collateral in hedge fund cross-margining and equity options trading. Key Takeaway: Bitcoin ETFs gain new institutional utility, opening doors to sophisticated financial strategies.
4. PayPal Expands Global Bitcoin Payments PayPal extended its crypto payment services—accepting Bitcoin—to 70 additional countries. Key Takeaway: Global payment platforms are driving everyday Bitcoin adoption worldwide.
5. SEC Issues Crypto Asset Definitions The SEC released its first-ever formal definitions clarifying which crypto assets qualify as securities, marking a major regulatory shift. Key Takeaway: Enhanced regulatory framework boosts confidence for institutional Bitcoin and crypto investments.