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Exaion Vault

Institutional Custody Vault

HSM-secured institutional custody built for regulated crypto management.

Key Features

Core functionalities designed for institutional-scale digital asset management.

Secure Custody

Multi-tier hot & cold wallet architecture with offline HSM-secured storage ensuring uncompromising asset safety.

Integrated Staking

Seamlessly stake supported assets directly from custody through Exaion’s compliant validator infrastructure.

Multi-Asset Support

Custody support for a growing list of digital assets — from leading layer-1 tokens to institutional-grade stablecoins.

Dedicated Support

Priority access to Exaion’s institutional customer success team, with tailored SLAs and compliance reporting.

Why Institutions Choose Exaion Custody

Combining French regulatory compliance, controlled infrastructure, and HSM-protected keys, Exaion Custody offers trusted, institutional-grade solutions for secure digital asset management.

PSAN-Registered & Audited

Regulated by the AMF (Autorité des marchés financiers, France’s financial markets regulator). Trusted by institutions. Exaion is fully registered as a PSAN under French financial law and regularly audited to meet the highest standards for digital asset custody. Our compliance-first approach ensures institutional-grade reliability and risk mitigation.

Full Hosting in France and Canada

Complete infrastructure control. All custody infrastructure is hosted in French data centers, fully owned and operated by Exaion. No third-party or foreign cloud dependency—ensuring optimal data jurisdiction and governance.

HSM-Secured Keys

Advanced key protection, built for institutional security. Private keys are stored in certified Hardware Security Modules (HSMs), delivering robust cryptographic safeguards. This architecture ensures high-assurance key management and strict access controls throughout the custody lifecycle.

How It Works

A fully compliant, step-by-step custody process designed for institutional confidence and operational integrity.

24/7
Monitoring & Alerting
99%
Uptime SLA

Regulatory Onboarding

KYC/AML checks and custom onboarding paths for regulated entities and fund structures.

Vault Creation & Segregation

HSM-secured vaults with strict key isolation. Assets are segregated by default and auditable.

Asset Transfer & Verification

Assets are verified and settled under institutional-grade controls.

Access & Governance Configuration

Define roles, operational thresholds, and approval workflows tailored to your organization.

Real-Time Oversight & Reporting

Full compliance dashboards, audit trails, and incident alerts — aligned with regulatory expectations.

Frequently Asked Questions

Exaion delivers independent, institutional-grade custody built on EDF infrastructure, ensuring unmatched regulatory compliance, HSM-secured key management, and 24/7 operational monitoring — all in full alignment with PSAN requirements.
Yes. Exaion is a registered PSAN provider in France. All custody operations are designed to comply with the AMF framework.
Assets are isolated in HSM-secured vaults, with dual-signature workflows, zero third-party access, and customizable governance rules. Security is reinforced by real-time alerting and air-gapped storage layers.
Absolutely. Institutions can define multi-user access rights, approval policies, and transaction thresholds — including optional dual-control configurations for mission-critical operations.
Yes. Assets held in custody can be delegated for staking through secure channels, with full visibility, validator selection, and rewards tracking — without compromising asset security.

Ready to Secure Your Digital Assets with Confidence?

Exaion Vault is trusted by institutions for compliant, institutional-grade digital asset custody. Backed by EDF infrastructure. PSAN-registered. 100% hosted in France.