Why Enterprises Are Building on Third-Party Custody
Paxos
Mar 2, 2026

Part 1: Enterprise Custody in the Digital Asset Era. We’re kicking off a series about institutional custody. Follow along as we demystify what businesses need to know about this foundational service.
Nearly every global enterprise is currently strategizing on how to enter the digital asset market. Custody is the foundational building block from which all future digital asset products are built. It’s critical to know your needs and consider the learnings of others already in motion.
Major financial institutions including BlackRock, Interactive Brokers and Bank of New York have concluded that digital asset custody is infrastructure they should consume, not build. The decision marks a fundamental shift in how enterprise treasury and digital asset teams approach market entry.
The Build Trap
When exploring digital assets, the instinct may be familiar: build proprietary technology for competitive advantage. But custody presents a unique challenge. Unlike trading algorithms or client-facing applications, custody infrastructure requires:
Multi-year regulatory approval processes to become a qualified custodian
Specialized insurance policies that require claims history and operational track record
Cryptographic key management expertise that doesn't exist in traditional banking
24/7/365 operations teams trained in blockchain-specific incident response
Continuous SOC 2 Type II compliance with digital asset-specific controls
When you partner with a regulated digital asset custodian, you inherit their experience, history and proven compliance frameworks. You do not need to invest the time and capital to build.
Speed to Market as Strategy
Digital asset markets move faster than traditional financial product cycles.
Stablecoin adoption, tokenized treasury products, institutional crypto trading and DeFi yield strategies have all accelerated in the past 24 months. Firms that launched custody-dependent products in 2023 captured market share that will be difficult for 2026 entrants to reclaim.
Interactive Brokers announced crypto trading in May 2023 and onboarded over 100,000 funded accounts in the first year. They built the client-facing experience but relied on Paxos for underlying custody, trading and settlement infrastructure. The partnership allowed them to launch in 6 months rather than the 24+ months required for full vertical integration.
The pattern repeats across fintech and banking: companies compete on client experience, distribution and brand while treating custody as utility infrastructure.
As these businesses look to expand into DeFi services, they need custody infrastructure that supports both traditional asset safeguarding and decentralized protocol interaction. Building DeFi connectivity on top of traditional custody adds another layer of complexity that extends development timelines further.
Technical Complexity Beyond Core Banking
Traditional banking infrastructure teams excel at high-availability databases, payment networks and regulatory reporting systems. Digital asset custody introduces different technical challenges that require specialized expertise.
Teams must master multi-signature key ceremonies with hardware security modules, ensuring cryptographic security at every layer. They need to maintain blockchain network monitoring across countless different protocols, each with unique consensus mechanisms and operational requirements. Network upgrade coordination becomes critical as blockchain protocols evolve and fork, requiring careful planning to maintain asset accessibility. Building omnibus and segregated digital wallet technology demands understanding of both institutional custody models and blockchain-specific address generation. Teams must also navigate cross-chain bridging security and settlement finality rules, where assets move between networks with varying security guarantees and confirmation requirements.
DeFi connectivity adds another dimension of technical complexity that extends far beyond traditional custody engineering.
Teams must develop capabilities for smart contract analysis and security scoring to assess protocol risks before interaction. They need to build policy engines that enforce institutional controls across decentralized environments where traditional access management doesn't apply. Transaction simulation across multiple execution environments becomes essential to preview outcomes before committing assets on-chain. Engineers must master gas optimization and transaction failure prediction to manage costs and ensure reliable execution in volatile network conditions. Additionally, teams require expertise in liquidity pool analysis and impermanent loss calculation to properly evaluate DeFi positions and manage treasury risk across protocols.
These skills don't transfer directly from traditional systems. You need cryptographers, blockchain engineers, smart contract security specialists and DeFi protocol experts who command premium compensation. Building a team with these capabilities represents significant investment in specialized talent that may take years to recruit and train.
The Vendor Partnership Model
Treating custody as infrastructure doesn't mean losing control. Modern custody APIs provide the same level of integration as building in-house:
Solutions that allow for shared key management with the custodian
Real-time balance queries and transaction history
Webhook notifications for deposits, withdrawals and confirmations
Programmatic address generation for customer segregation
Automated reconciliation feeds to treasury management systems
White-label options for customer-facing applications
PayPal integrated Paxos custody to power crypto buying and selling for over 400 million users. The integration took months, not years. PayPal maintained full control of the customer experience while Paxos handled key management, blockchain settlement and regulatory custody requirements.
What This Means for Your Strategy
The strategic question isn't whether third-party custody can meet enterprise requirements. Regulated custodians now serve the largest financial institutions in the world, processing billions in daily transaction volume with proven security and compliance.
The question is whether building custody creates competitive advantage worth the cost, time and risk. For most organizations, the answer is no. Custody is infrastructure that enables your differentiated products but doesn't itself differentiate. And custody infrastructure underpins all future access to DeFi ecosystems - something that is complex and difficult to build natively.
You compete on client relationships, product innovation, pricing and distribution. Your custody provider competes on security, regulatory compliance, operational uptime and technical infrastructure. This separation allows each party to focus on their core competency.
What’s Next?
If you are evaluating digital asset custody options, start with these questions:
What regulatory approvals does the custodian hold in your key markets?
What are their SOC 2 Type II report findings and how recent is the audit?
What insurance coverage exists and who are the underwriters?
Which comparable institutions use their custody infrastructure?
What is the typical integration timeline from contract to production?
Understanding these fundamentals separates regulated institutional custody from consumer-grade solutions. The difference matters when you are explaining your infrastructure choices to your board, regulators and clients.
Want to learn more if Paxos’ infrastructure is right for you? Contact us.
________________________________________________
This post is provided for informational purposes only and does not constitute legal advice. Readers should consult their own legal counsel regarding any legal matters or requirements relevant to their specific situation. Paxos makes no representations or warranties regarding the legal accuracy, completeness, or suitability of the information contained herein.
