Are custodial services legally allowed to rehypothecate client crypto assets?

Custodial services may or may not be legally allowed to rehypothecate client crypto assets; the answer depends on jurisdiction, the custodian’s licensing, and the specific contractual terms agreed with clients. Regulatory approaches are still evolving, and reputable analyses caution that rights to reuse client assets are not inherent to digital-asset custody.

Legal and regulatory landscape

Regulators treat custody and reuse of crypto differently from traditional securities because ownership and control mechanics diverge on blockchains. Authors Aaron Wright Cardozo Law School and Primavera De Filippi CNRS and Harvard’s Berkman Klein Program in their book Blockchain and the Law explain that property law, contract language, and custody architecture determine whether a custodian holds assets in a proprietary or custodial capacity. International standard-setting bodies such as the International Organization of Securities Commissions emphasize that “regulatory approaches vary by jurisdiction” and that safeguards like segregation and transparency are central to protecting investors. U.S. regulators including commissioners at the U.S. Securities and Exchange Commission have repeatedly signaled that established custody rules applied in other markets provide useful analogues but are not automatically sufficient for crypto custody.

Causes and contractual mechanics

Custodians may seek to reuse client assets to provide services such as lending, staking, or liquidity provision; these activities generate fee income but can convert a passive custody relationship into active rehypothecation. Whether this is lawful typically hinges on explicit client consent, clear disclosure in custody agreements, and compliance with statutory custody obligations. Where contracts grant a custodian title or a security interest, reuse is more legally plausible; where assets are held in true segregated trust accounts, reuse is restricted or forbidden.

Consequences and contextual nuance

Rehypothecation raises heightened counterparty risk and insolvency exposure; the collapse of major platforms in recent years underscored how commingling and reuse of client assets can lead to irreversible losses and complex cross-border bankruptcy claims. Cultural and territorial nuances matter: the crypto community often prizes self-custody as a risk-avoidance strategy, while institutional clients may accept rehypothecation under strict terms in jurisdictions that permit it. For practical certainty, investors should rely on documented custody agreements, regulatory filings, and guidance from recognized authorities rather than assumptions about industry practice.