An IRS John Doe summons was authorized to obtain identities of U.S. taxpayers who transacted $20,000+ in crypto via SFOX (2016–2021); this reflects regulatory scrutiny around customer records, not necessarily misconduct by SFOX.
Public company, workplace, funding, and market signals
sFOX (San Francisco Open Exchange) is a regulated institutional crypto prime dealer and digital asset infrastructure platform for businesses and professional investors, offering unified access to liquidity, custody, clearing, settlement, reporting, staking, and execution tools across fragmented crypto markets.
Primary product
Institutional crypto prime dealer / digital asset trading and infrastructure platform (sFOX Connect and trading platform)
Founded
2014
Headquarters
San Francisco, California, United States
Team size
60-70
Work style
Remote
Industry
Financial Services
Sub-industry
Crypto prime brokerage / digital asset infrastructure
Offices
1 job at SFOX
Business model
Stage
Series A
Total raised
$23M
Latest round
Series A · Aug 2018
Latest amount
$22.7M
Leadership
Chief Executive Officer
Founder and Visionary; Co-Founder & Former CEO
Chief Technology Officer
Chief Financial Officer
Chief Information Security Officer
Diana Pires
Chief Business Officer
Chief Compliance Officer & BSA Officer
Founders
Co-Founder / CTO Co-Founder
Investors
Engineering-oriented and crypto-native, with messaging that emphasizes creativity, problem solving, fast-moving institutional support, and building secure infrastructure for digital assets.
Work style
Remote
Visa sponsorship
Limited
Compensation
Public job postings show competitive US salary ranges, e.g. a Senior Backend Engineer role at $175,000–$200,000 base, plus benefits; some third-party job listings also reference equity and remote work. Public evidence of broad compensation bands is limited.
Benefits
Pricing
Not publicly disclosed; likely institutional spread/commission and service-based pricing typical of prime brokerage and liquidity access platforms.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$20M-$30M
An IRS John Doe summons was authorized to obtain identities of U.S. taxpayers who transacted $20,000+ in crypto via SFOX (2016–2021); this reflects regulatory scrutiny around customer records, not necessarily misconduct by SFOX.
Blockworks reported SFOX was taking steps to protect client digital assets amid broader crypto bankruptcy/regulatory concerns, highlighting custody-risk sensitivity in the market.
SourcesFOX Blog · May 2026
sFOX said its Singapore entity received a Major Payment Institution license from MAS, expanding its regulatory footprint.
PR Newswire · Mar 2026
sFOX announced Javier Martinez as CEO, with founder Akbar Thobhani moving to Founder and Visionary.
sFOX News · Nov 2025
sFOX announced a collaboration with Laser Digital to expand institutional crypto market access.
Blockworks · Apr 2023
Blockworks reported that SFOX was emphasizing additional client asset protection and custody assurances amid broader market stress.
sFOX Blog · Feb 2023
The company described a major cloud upgrade including migration of primary Kubernetes infrastructure to AWS EKS.