Founded
2009 (Rebranded Dec 2021)
2009 (Rebranded Dec 2021)
Block Head & Chair
Jack Dorsey
Jack Dorsey
Status
Publicly Traded
Publicly Traded
Ticker
NYSE: XYZ (Changed from SQ Jan 2025)
NYSE: XYZ (Changed from SQ Jan 2025)
Market Cap
~$46–47 Billion (July 2026)
~$46–47 Billion (July 2026)
Auditor
Ernst & Young LLP
Ernst & Young LLP
Principal Founders
Jack Dorsey, Jim McKelvey
Jack Dorsey, Jim McKelvey
Core Ecosystems
Cash App, Square, Bitkey, Afterpay, Proto, Spiral, TBD, Tidal
Cash App, Square, Bitkey, Afterpay, Proto, Spiral, TBD, Tidal
Corporate Office
1955 Broadway, Suite 600, Oakland, CA 94612, USA
1955 Broadway, Suite 600, Oakland, CA 94612, USA
Website
block.xyz
block.xyz
Product Ecosystem
Block operates a multi-dimensional Bitcoin stack. Cash App provides retail access via the Lightning Network, while Bitkey offers consumer-grade 2-of-3 multisig self-custody. Proto focuses on mining hardware and chips, and Spiral funds independent open-source Bitcoin/Lightning development.
Open Source
- LDK (Lightning Development Kit)
- BDK (Bitcoin Development Kit)
Technical Standards
- BIP 174 (PSBT Implementation)
- Lightning BOLT Network
Operational Geography
Following a strategic restructuring in late 2024, Cash App operations in the United Kingdom were discontinued. Bitcoin services and ecosystem expansion are currently primarily focused on the United States domestic market.
| Corporate BTC Holding | ~9,032 BTC (As of Q1 2026) |
| Investment Policy | 10% of monthly Bitcoin gross profit reinvested in BTC |
| Primary Revenue Source | Cash App Bitcoin transaction volume |
| Audited Year-End BTC | 8,883 BTC (Dec 31, 2025) |
| Capital Structure | Public Equity (NYSE: XYZ) & Corporate Debt |
| Key Institutional Leads | Amrita Ahuja (CFO/COO), Brian Grassadonia (Ecosystem Lead) |
Material Regulatory Note (2025): Block reached major settlements with the CFPB ($75M+), NYDFS ($40M), and Multistate regulators ($80M) regarding historical AML and fraud-handling compliance deficiencies.