sFOX (est. 2014, Los Angeles) is an institutional crypto prime dealer providing best-execution trading across 30+ venues, custody, and lending services. Serves RIAs, hedge funds, family offices, and corporations with FDIC-insured USD deposits through banking partners.
| Cold Storage | 95%+ cold storage |
| Insurance Coverage | Insurance coverage through institutional partners |
| Qualified Custodian | ✓ Yes |
| Asset Segregation | ✓ Yes |
| Proof of Reserves | ✗ No |
| MultiSig Support | ✗ No |
| Licenses | FinCEN MSB, state money transmitter licenses |
| KYC Required | ✓ Yes |
| Audit Frequency | Annual SOC 2 audits |
| Regulatory Compliance | SOC 2 Type II |
| Custody Model | Hosted Custody |
| Jurisdiction | United States |
| Supported Assets | BTC, ETH, SOL, 80+ digital assets |
| Minimum Balance | Contact for requirements |
| Withdrawal Limits | Custom institutional limits |
| Fees & Pricing | Custom institutional pricing. Trading and custody bundled. Algorithmic execution across multiple venues. |
| Founded | 2014 |
| Supported Wallets | Institutional custody wallets |
| Customer Service | Dedicated institutional support, U.S. business hours |
Institutional Bitcoin custody integrated with prime brokerage services sFOX provides an institutional-grade Bitcoin custody service that is tightly integrated with its broader prime brokerage offering. The platform is clearly designed for professional and high-volume clients who require strong security controls, regulatory alignment, and efficient operational workflows. What stands out is the emphasis on governance, segregation of duties, and custody practices aligned with institutional risk management standards. The integration between custody and execution allows clients to manage assets efficiently while maintaining robust controls and oversight. While sFOX is not intended for retail users or self-custody-focused Bitcoin holders, it performs very well within its intended scope. Overall, sFOX offers a reliable and professionally managed custody solution for institutions seeking secure Bitcoin storage combined with prime brokerage infrastructure.
muy bueno. sFox ofrece una infraestructura sólida orientada principalmente a clientes institucionales y de alto volumen. Su acceso a múltiples fuentes de liquidez y su enfoque en la ejecución eficiente son puntos positivos, especialmente para operaciones grandes o profesionales.
Secure and Reliable Custody for My Crypto I’ve been using sFox for custody, and I’m pretty impressed. The security is top-notch with multi-sig and cold storage. The platform is user-friendly, and I feel confident my assets are safe. The fees are a bit high, but it’s worth the peace of mind.