Case studies
Operational Due Diligence Assessment of Custody Providers
Context
A global multi-billion-dollar hedge fund preparing to expand its digital asset capabilities required an independent operational due diligence assessment of prospective tier-one custody providers to support internal decision-making and operational risk evaluation, as part of demonstrating a full risk process to its investors.
The client sought a structured due diligence process capable of assessing not only technical security controls, but also the broader operational maturity, governance standards, resilience measures, and infrastructure robustness of custodians operating in the digital asset sector. Given the evolving nature of the market, the exercise required distinguishing between technical capability and institutional readiness.
Appold was engaged to lead due diligence across multiple global custody providers and to provide independent analysis to support the client’s evaluation framework.
The client required a detailed assessment framework capable of evaluating:
Security architecture and key management controls
Operational resilience and incident response maturity
Governance structures and oversight mechanisms
Wallet infrastructure and transaction controls
Regulatory positioning and compliance frameworks
Third-party dependencies and concentration risks
Disaster recovery and business continuity capabilities
Audit readiness and external assurance processes
A further challenge was the lack of standardisation in disclosure practices across custody providers, with material differences in the depth, clarity, and technical specificity of information shared, necessitating additional validation and structured follow-up analysis. Appold addressed this by designing and executing a bespoke custodian due diligence programme aligned with the client’s institutional risk framework, which included distributing detailed questionnaires to shortlisted providers, structuring assessments of security controls, wallet architecture, and operational processes, and reviewing governance arrangements, escalation pathways, and organisational controls. This was complemented by analysis of infrastructure resilience, redundancy, and dependency structures, alongside evaluation of audit processes, certifications, and assurance reporting. Appold also identified concentration risks and control gaps, benchmarked providers against institutional governance expectations, and consolidated all findings into structured, decision-ready reporting for senior stakeholders, acting throughout as an independent analytical layer translating technical custody design considerations into clear operational and commercial risk insights.
Appold’s analysis enabled the client to:
Identify material differences in security implementation and governance maturity between providers
Assess the degree of alignment between vendor controls and institutional operational requirements
Evaluate resilience assumptions underpinning custody and transaction workflows
Strengthen internal understanding of digital asset custody risk considerations
Support internal governance and procurement decision-making with independently structured analysis
The process also highlighted broader market observations regarding the variability of disclosure standards and infrastructure maturity across the digital asset custody landscape. Following the engagement, the client advanced its evaluation process with a more robust understanding of the technical, operational, and governance implications of institutional digital asset custody.
Services
Project requirements:
Research & Analysis
01
Operational Due Diligence
02
Given the irreversible loss of funds that often results from the compromise of a private key, utilising a digital asset custodian without fully understanding their system and control environment is fraught with risks.
Institutions rightly expect digital asset custodians to demonstrate robust trust frameworks, stringent operational controls, effective technical safeguards, and resilient infrastructure comparable to those found in traditional banking models.
However, the technical complexities and nascent nature of the digital asset industry, with immature regulatory oversight and often opaque operational practices, mean that layered due diligence, such as that undertaken in this project, is essential to uncover the underlying realities behind commercial narratives and marketing claims, and allow for an informed choice when selecting a digital asset custodian.
Andy Price
Senior Associate