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Built for Safety.

Powered for Growth.

Secure, compliant, and fully integrated custody for digital assets — supporting crypto, public chain assets, and RWA tokens with full compliance and real-time support.
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Custodian for Hong Kong Crypto ETFs

Who We Serve

Tailored Digital Asset Solutions for Institutional Clients

Hedge Funds

Trading Firms

ETP Issuers

Exchanges

Miners

More

Security-First Architecture Built for Institutions

Multi-Layer Wallet Security with Full Asset Isolation

Multi-layer wallet infrastructure with cold, warm, hot, and MPC wallets. Supports third-party wallet integration, asset-level segregation, and on-demand freeze controls for maximum security and flexibility.

Regulatory Custody Services

OSL provides licensed and compliant digital asset custody services in Hong Kong, Australia, and other key markets — enabling institutions to operate securely under local regulatory frameworks.

24/7 Operations and Real-Time Incident Response

Global coverage with around-the-clock monitoring, human support across time zones, and rapid response protocols — ensuring maximum uptime and continuous asset protection.

Trust-Based Custody Protection

Client assets are held through licensed trust structures with legal segregation, bankruptcy-remote design, and institutional-grade insurance coverage of up to USD 1 billion.

Full-Spectrum Custody & Trading Infrastructure

Staking

Secure custody and customized staking support for assets like ETH and other PoS tokens. Earn yield while staying in custody.

MirrorEX

Provide escrow services that allow clients to pledge digital assets as collateral to access on-platform funding from exchanges and institutional partners.

OTC

Institutional-grade custody-linked OTC execution with fast, compliant, and risk-managed settlement.

RWA

Comprehensive custody and tokenization solutions for RWA, enabling issuers to manage digital assets securely and efficiently.

And more...

Broad Asset Support for Institutional Needs

Contact Us Today.
Shape the Future of Digital Assets.
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© OSL. All rights reserved.
This website refers to trading of digital assets, which may include digital securities and other complex financial products or instruments which may not be suitable for all investors.
This website is not a solicitation, invitation or offer to enter into any transactions in digital assets or financial instruments.