How AlphaYield Runs a Billion-Dollar OTC Desk on True Self-Custody

At a Glance

• As a non-custodian, AlphaYield settles ~ USD 1 billion a year while never holding a client’s keys — true self-custody, preserved at scale.
• Zero security incidents involving customer assets since deploying Safeheron’s MPC + TEE platform.
• MPC + TEE Policy Engine replaced the desk’s legacy multi-sig and hardware-wallet coordination, balancing settlement speed with governance.
• Audit-ready controls for a FinCEN-registered MSB make BSA / AML examinations far smoother.

Partnering with Safeheron has been transformative for AlphaYield. Their MPC + TEE platform delivers the enterprise-grade security and operational efficiency we need to execute large institutional trades with complete confidence, while their exceptional team consistently goes above and beyond to support our evolving needs.

— Michael Pearson, Chief Executive Officer, AlphaYield

About AlphaYield

AlphaYield is a boutique over-the-counter (OTC) cryptocurrency trade desk built specifically for institutional traders and clients moving large-volume digital asset transactions. Based in Wyoming and registered with FinCEN as a Money Services Business, the desk settles around USD 1 billion in volume each year across the US, Latin America, Asia, and Europe.

Critically, AlphaYield is not a custodian. Unlike traditional exchanges, it never holds client assets. Instead, it facilitates the direct delivery of real crypto to clients’ own wallets and fiat to their bank accounts, so clients retain full control of their funds at every step. Self-custody is not a feature for AlphaYield — it is the foundation of the entire business model and client value proposition.

That model raises a hard question: how do you secure billion-dollar settlement flows when you can’t fall back on a custodian’s vault?

The Challenge

Before Safeheron, AlphaYield’s biggest risks lived inside its own key management.

The desk relied on a mix of multi-signature setups and hardware wallets. For a fast-moving OTC operation, that combination introduced exactly the failure modes an institutional desk can least afford:

• Single points of failure in key storage and signing.
• Complex key distribution across team members in multiple time zones.
• Insider risk baked into manual coordination.
• Operational drag — every large settlement required manual coordination, slowing execution in a market where seconds matter (e.g., a $50M+ off-ramp runs into execution delays in a volatile market).

All of this had to be managed while upholding a strict non-custodial model — AlphaYield never holds client assets, so there was no room for shortcuts that compromised that principle.

Compliance raised the stakes

As a FinCEN-registered MSB, AlphaYield operates a full program under the Bank Secrecy Act: rigorous KYC/KYT for institutional clients, continuous transaction monitoring, OFAC sanctions screening, suspicious-activity reporting, and meticulous recordkeeping. Those obligations directly govern how every approval, settlement, and asset movement is handled.

The desk also needed to demonstrate robust internal controls to regulators, auditors, and counterparties — which sharpened the need to eliminate risks like key compromise and unauthorized access, and to produce clean, verifiable audit trails on demand.

The Solution

What made the difference was an architecture that mapped directly onto the desk’s pain points — and a team that understood how an OTC desk actually runs.

At the core is Safeheron’s MPC + TEE self-custody architecture. Because AlphaYield never holds client assets, it needed true self-custody that still supported institutional-grade trading. 

MPC key sharding combined with TEE hardware protection means a full private key is never reconstructed — directly eliminating the single points of failure, complex cross-timezone key distribution, and insider risk that defined the old multi-sig and hardware-wallet setup, all without changing the non-custodial model.

On that foundation, the desk runs the capabilities it now depends on every day:

• MPC wallet as the institutional vault — distributed key shards that secure settlement flows end to end, with the full key never reconstructed.
• TEE policy engine — custom, real-time approval workflows and spending rules that balance speed with governance, replacing the manual coordination that once slowed high-value settlements (such as that earlier $50M+ off-ramp).
• AML / KYT on-chain screening — real-time visibility into counterparties and fund flows that strengthens AlphaYield’s BSA/AML program and reduces exposure to sanctioned or high-risk addresses.
• Multi-chain support + Gas Service — one operational workflow across the many chains and assets clients trade, with cost-aware on-chain execution for high-frequency settlement.

Two things tied it together. As a FinCEN-registered MSB, AlphaYield needed audit-ready controls that regulators and counterparties could verify — and Safeheron’s design produces the clean, verifiable audit trails that make examinations far smoother.

And throughout evaluation and integration, the Safeheron team stayed close and proactive, which for a fast-moving desk proved as valuable as the technology itself.

The Results

Since going into production, the headline number is the one that matters most for a desk that never holds client keys: zero security incidents involving customer assets.

But the most meaningful change, in the words of AlphaYield’s leadership, is harder to put on a dashboard:

The most meaningful change Safeheron has brought to AlphaYield is a profound sense of confidence and operational serenity that now permeates our entire team. In an industry where trust is everything and every second counts during high-stakes settlements, knowing that our digital asset security rests on a world-class MPC + TEE foundation has transformed how we work. We no longer carry the quiet weight of potential vulnerabilities or coordination friction; instead, we operate with clarity and focus.

The partnership also changed how AlphaYield communicates trust to its own clients. Where the desk once leaned on assurances about manual processes and traditional key management, it now speaks with conviction about an enterprise-grade MPC + TEE architecture, real-time policy controls, and seamless compliance. What used to be a complex technical conversation has become a clear differentiator — concrete proof that client assets stay under client control throughout every settlement.

For an institutional OTC desk, self-custody and security usually feel like a trade-off against speed. AlphaYield’s experience shows they don’t have to be. By building on Safeheron’s MPC + TEE architecture, the desk eliminated single points of failure, satisfied its BSA/AML obligations, and freed its team to focus on what they do best — all while never holding a single client’s keys.