SKN | BNY’s European Digital Asset Expansion: What Regulated Crypto Custody Means for Swiss Wealth Structures

Key Takeaways

• BNY’s October 2026 expansion of its digital-asset custody platform in the European Union marks a further step toward integrating crypto-asset infrastructure into established financial institutions.
• The development may offer institutional investors additional custody and transfer infrastructure, but access is limited to eligible clients and does not eliminate digital-asset risks.
• Swiss private banking clients should distinguish EU authorisation under MiCA from the regulatory requirements governing Swiss entities, accounts and cross-border transactions.
• For family offices, the priority is to establish clear ownership, custody responsibilities, liquidity arrangements and reporting across traditional and digital assets.

Digital assets are moving further into the operating infrastructure of established financial institutions. On October 8, 2026, BNY announced an expansion of its digital-asset custody platform for selected institutional clients in the European Union under the Markets in Crypto-Assets Regulation (MiCA). The development is relevant to internationally mobile families and entrepreneurs because it brings another major financial institution into regulated crypto-asset servicing. For clients with Swiss banking relationships, the strategic question is not whether digital assets are becoming more institutionalised, but how to incorporate any exposure without weakening custody controls, liquidity management or cross-border oversight.

Understand what institutional custody actually changes

BNY, formerly known as The Bank of New York Mellon, operates across asset servicing, custody and investment management. Its European digital-asset expansion follows the addition of its Belgian banking entity to the European Securities and Markets Authority’s MiCA register in July 2026, enabling relevant crypto-asset custody, administration and transfer services within the applicable regulatory framework.

For institutional clients, a bank-led custody arrangement may offer more established operational processes, reporting and governance than some digital-asset platforms. It can also help connect digital holdings with existing institutional workflows. However, regulated custody is not the same as a capital guarantee, deposit protection or protection against market losses. The precise legal arrangement and contractual responsibilities remain decisive.

Clients should establish whether the service covers the specific assets they hold, which entity provides it and whether the offering is available to their particular structure. An institutional platform may not be available directly to private individuals or every family office.

Keep Swiss and EU regulatory responsibilities distinct

MiCA provides a harmonised EU framework for relevant crypto-asset activities, but Switzerland is outside the EU. Authorisation under MiCA does not automatically authorise an institution to provide every digital-asset service in Switzerland, nor does it determine the treatment of every transaction involving a Swiss resident or Swiss entity.

Families operating through Swiss private banks in Zurich or Geneva should therefore map the jurisdictions involved in each arrangement. That includes the legal domicile of the custodian, the location and nature of the account, the entity that legally owns the assets and any intermediary involved in transfers. Tax reporting, anti-money-laundering obligations and source-of-funds requirements must also be assessed separately.

This distinction becomes particularly important where a family office holds assets through several companies, trusts or foundations. The institution providing custody, the entity holding legal title and the person authorised to instruct transactions may not be the same.

Integrate digital custody into liquidity and succession planning

Adding a regulated custodian does not remove the need for a coherent liquidity plan. Digital assets can experience substantial price volatility, while transfers may depend on technical procedures, supported networks and compliance reviews. The ability to transfer a token does not necessarily mean it can be converted into conventional currency immediately or without cost.

Family offices should document how digital assets would be accessed during an operational disruption, who can authorise transfers and how holdings would be valued for consolidated reporting. Succession planning deserves equal attention: executors, trustees and authorised representatives need a legally valid and operationally workable route to identify and administer digital holdings.

Use institutional infrastructure without confusing it with diversification

A new custody provider can improve operational choice, but adding another institution does not automatically diversify risk. If multiple platforms depend on the same underlying service providers, banking channels or technical infrastructure, exposures may remain correlated. The appropriate assessment considers legal counterparty risk, operational dependencies and recovery procedures together.

For Swiss-centred wealth structures, the objective is to integrate digital assets within an existing framework of custody oversight, consolidated reporting and clearly defined responsibilities. BNY’s expansion signals progress in institutional infrastructure, not the disappearance of the risks associated with digital ownership.

For a confidential discussion regarding your cross-border banking structure, digital-asset custody and Swiss wealth arrangements, contact our senior advisory team.