Understanding Vaults: A Practical Guide to an Emerging Investment Structure

As digital assets and tokenized financial products continue to evolve, investors, asset managers, and financial institutions are encountering a growing number of new investment structures. One such structure is the “vault.”

While the term may sound technical, the underlying concept is relatively straightforward: a vault is generally a rules-based investment vehicle or strategy that enables capital to be deployed according to a predefined set of parameters.

Vaults have emerged across digital asset markets as a mechanism for managing assets, executing investment strategies, facilitating liquidity, and providing exposure to various market opportunities through a single investment interface.

As a FINRA-member broker-dealer, operator of an Alternative Trading System (ATS), and provider of transfer agent services, Rialto Markets believes it is important to help market participants understand how these structures operate, where they may fit within the broader investment landscape, and the considerations investors should evaluate when assessing them.

This paper provides an educational overview of vaults, their potential applications, and their relevance within the evolving digital asset ecosystem.

At its core, a vault is a structure that pools assets and applies a defined investment methodology.

Academic research has recently formalized this definition: vaults are “smart-contract-based asset management systems that pool deposits, execute programmable strategies, and mint tokenized shares representing claims on underlying assets and strategy performance.” ^[2] While that technical framing reflects the onchain architecture of DeFi vaults, the conceptual structure applies broadly across both onchain and regulated investment contexts.

Traditional finance contains directly analogous concepts:

A vault may be designed to:

• Allocate assets according to predetermined rules
• Execute investment strategies
• Provide access to diversified exposures
• Facilitate participation in digital asset ecosystems
• Streamline operational management

Importantly, vaults are not a single product category. Rather, they represent a framework through which investment strategies may be implemented.

A Technical Foundation: The ERC-4626 Standard

For market participants seeking to understand the infrastructure behind onchain vaults, one technical development deserves mention: the ERC-4626 tokenized vault standard.

ERC-4626 originated as an Ethereum Improvement Proposal and introduced a shared, standardized interface for tokenized vaults. Before this standard, each vault operated with its own unique interface, making integration difficult and risky. Now, vaults built on this standard work in a consistent, predictable way, making them easier to track, trust, and integrate. ^[1] This standardization has also extended across multiple blockchain networks, improving interoperability and composability across different platforms.

The ERC-4626 standard has been cited by some industry participants as an important factor supporting broader institutional adoption and interoperability. ^[3] While its technical mechanics may be beyond the immediate scope of most investors, understanding that the ecosystem has moved toward standardization – and that this standardization matters for reliability and auditability – is useful context.

The Transparency Effect

One of the defining characteristics distinguishing vaults from traditional fund structures is the degree of operational transparency. Unlike traditional investment funds where portfolio managers make decisions behind closed doors, DeFi vaults encode their entire strategy into transparent, auditable smart contracts. Every allocation, rebalancing action, and fee is visible onchain, creating a high degree of operational transparency relative to many traditional investment structures in asset management. ^[1]

For institutional investors in particular, this characteristic addresses a longstanding concern in alternative investment structures: the “black box” problem. Vaults may offer continuous, block-by-block auditability that differs from many traditional structures.

Additionally, most vault architectures are non-custodial by design – meaning many vault architectures are designed so investors retain control of their assets while participating in predefined investment strategies. ^[4]

The growth of digital assets has introduced new forms of investment infrastructure. Historically, investors often needed to:

• Manage multiple wallets
• Monitor numerous protocols
• Execute transactions manually
• Rebalance positions independently

Vaults seek to simplify certain aspects of these processes by consolidating activities within a single structure. In many cases, vaults can help provide:

• Operational efficiency
• Strategy automation
• Streamlined investor access
• Enhanced transparency regarding strategy rules

The specific characteristics of any vault will depend on its design, governance structure, asset exposure, and operational controls.

While terminology varies, several broad categories have emerged. ^[1][3][5]

Treasury Vaults

These vaults may provide exposure to tokenized cash management or treasury-related assets.

Potential objectives may include:

• Capital preservation strategies
• Cash management solutions
• Short-duration exposure

Private Credit Vaults

Private credit vaults may provide exposure to lending-related opportunities through tokenized structures.

Potential objectives may include:

• Alternative income exposure
• Diversification beyond traditional fixed income
• Access to private market opportunities

Real-World Asset (RWA) Vaults

A growing and institutionally relevant category, RWA vaults hold tokenized off-chain assets such as Treasury bills, private credit instruments, insurance premiums, and payment financing. These vaults seek to generate yield from underlying real-world assets while maintaining onchain visibility and transparency. Unlike purely crypto-native strategies, RWA-backed vaults may derive returns from offchain economic activity, making their yield profiles less correlated with crypto market cycles and more closely aligned with traditional fixed-income products. ^[1]

For institutional investors and asset managers seeking digital asset exposure without crypto-native return profiles, RWA vaults represent one of the most immediately familiar and relatable structures in this space.

Multi-Asset Vaults

These structures may allocate across multiple digital assets or investment categories.

Potential objectives may include:

• Diversification
• Asset allocation management
• Portfolio construction

Strategy-Based Vaults

These vaults may implement predefined investment methodologies.

Examples may include:

• Rebalancing strategies
• Market-neutral approaches
• Asset rotation frameworks
• Quantitative investment models

More sophisticated strategy vaults may incorporate delta-neutral approaches, where capital is deployed to offset directional market exposure while still generating yield. These positions are algorithmically rebalanced in real-time to maintain defined risk thresholds. ^[5]

One of the most important – and least discussed – aspects of vault infrastructure is the concept of curation.

As vault designs have matured from early yield aggregators into modular, actively managed systems, a new control layer has emerged: the curator.

Academic research characterizes the curation layer as introducing “principal-agent dynamics and new failure modes” ^[2] – meaning that the quality, accountability, and incentive alignment of the curator directly affects the performance and safety of the vault. This is why questions about governance, oversight, and curatorial responsibility are critical due diligence items for any vault evaluation.

The curation layer is one of the primary factors that may differentiate vault structures.  ^[3] Investors and allocators should ask:

• Who is the curator, and what is their track record?
• How are strategy decisions made and documented?
• What accountability mechanisms exist if strategy assumptions fail?
• Are curator incentives aligned with investor outcomes?

Within the Rialto Markets ecosystem, the governance, oversight, and regulatory structure surrounding any vault-related offering represents a critical evaluation dimension. These considerations are also increasingly part of the broader regulatory conversation surrounding vaults and other onchain investment strategies.

An Evolving Regulatory Conversation

Recent commentary from SEC Commissioner Hester M. Peirce highlights why the structure and management of a vault matter from a regulatory perspective.

Commissioner Peirce observed that vaults are not uniform. They may range from structures in which allocations are determined entirely by immutable smart contracts to arrangements in which a person, manager, or group exercises significant discretion over strategy selection, asset allocation, and ongoing management.

Accordingly, the term “vault” does not itself determine the applicable regulatory treatment. The analysis may depend on factors such as:

• The assets held or deployed by the vault
• Whether users rely on the managerial or entrepreneurial efforts of a deployer, curator, or other party
• The degree of discretion exercised over allocations and strategy changes
• Whether the vault holds securities or invests in securities
• Whether the arrangement resembles a pooled investment vehicle, investment company, or separately managed account
• Whether participants perform activities that may implicate investment adviser or other registration requirements

Commissioner Peirce also reiterated a broader principle: moving an activity onchain does not, by itself, place that activity outside the federal securities laws. Where a vault or related activity falls within the securities-law framework, market participants should evaluate an appropriate compliant pathway.

Vaults may be relevant to a variety of market participants. However, suitability depends on numerous factors including investment objectives, risk tolerance, liquidity needs, investment experience, and regulatory considerations.

Institutional Investors

Institutions may evaluate vaults as part of broader digital asset or alternative investment initiatives.

Potential considerations include:

• Operational efficiency and strategy automation
• Access to specialized strategies
• Portfolio diversification
• Digital asset infrastructure integration

Asset Managers

Asset managers may utilize vault structures as a means of packaging and administering investment strategies.

Potential applications include:

• Model portfolio implementation
• Digital asset allocations
• Alternative investment structures
• Tokenized investment products

Accredited Investors

Certain vault structures may be available to accredited investors through private market offerings or exempt securities frameworks. Eligibility requirements may vary by issuer and jurisdiction.

Retail Investors

Some vaults may be available to retail investors depending on structure, regulatory framework, and applicable securities laws. Not all vaults are appropriate for all investors. Investors should carefully review offering materials, risk disclosures, and eligibility requirements before investing.

Before evaluating any vault, investors should consider the following:

Investment Objective

What is the vault designed to accomplish?

Underlying Assets

What exposures are being provided?

Liquidity

How and when can investors enter or exit?

Fees and Expenses

What costs are associated with participation?

Governance and Curation Quality

Who oversees the strategy and operations? What is the quality and accountability of the curation layer? How are strategy decisions made and documented?

Regulatory Structure

How is the product structured, offered, managed and administered? What roles are performed by the deployer, curator, adviser, custodian, broker-dealer, or other service providers? The applicable regulatory framework may depend on the particular facts and circumstances.

Risk Factors

Vault risk is not monolithic. Investors should evaluate risks across several distinct dimensions:

No investment structure is without risk. The above taxonomy is not exhaustive. Investors should carefully review all available disclosures and consult qualified advisors before investing.

Tokenization has become an increasingly discussed trend within financial markets. The concept involves representing financial assets through digital infrastructure while maintaining applicable legal, regulatory, and ownership frameworks.

Vaults may play a role in this evolution by serving as investment wrappers around:

• Tokenized treasuries
• Private credit assets
• Real-world assets (RWAs)
• Digital asset portfolios
• Alternative investment strategies

As these markets mature, infrastructure providers, custodians, broker-dealers, transfer agents, and trading venues may increasingly support tokenized investment products and associated investor workflows.

Rialto Markets operates at the intersection of capital formation, digital securities infrastructure, and secondary market connectivity. Our regulated platform supports multiple components of the investment lifecycle.

Within this framework, vault-related products may utilize elements of the Rialto ecosystem for:

• Capital formation
• Investor onboarding
• Transfer agent services
• Secondary market infrastructure
• Regulatory and operational support

The specific structure and regulatory treatment of any vault-related offering will depend on the facts and circumstances of the product.

An additional area of market interest involves self-directed retirement accounts (SDIRAs). SDIRAs allow eligible investors to access a broader range of alternative investments than traditional retirement account structures.

As tokenized assets and alternative investment products continue to evolve, some market participants are exploring how retirement investors may access certain digital investment opportunities through compliant investment frameworks.

The availability and suitability of specific investments for retirement accounts depends on numerous regulatory, custodial, and product-specific considerations.

Vaults represent one example of how financial infrastructure continues to evolve. Whether used by institutions, asset managers, accredited investors, or certain retail investors, these structures may contribute to greater flexibility in how investment strategies are packaged, administered, and accessed.

The maturation of vault infrastructure – from early automated yield tools to modular, curator-governed investment systems built on standardized technical rails – reflects a broader trend: the convergence of decentralized finance mechanics with traditional investment management discipline.

As tokenized finance continues to develop, understanding the infrastructure surrounding these products will become increasingly important. Rialto Markets remains committed to supporting innovation through regulated market infrastructure while helping market participants better understand the opportunities and considerations associated with emerging investment technologies.

[1] Hillerich, B. “What Are DeFi Vaults? A Complete 2026 Guide to Onchain Yield, Risk Curation, and Institutional Adoption.” RockawayX Insights, 2026. https://www.rockawayx.com/insights/defi-vaults-explained-2026-guide

[2] Mancino, D. and Pennella, L. “A Systematization of Knowledge on DeFi Vaults: Architectures, Curation Mechanisms, and Strategy Design.” SSRN Working Paper No. 6812460, University of Milano-Bicocca / University of Luxembourg, May 2026. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6812460

[3] Sentora Research. “The Vault Economy: Architecture, Risk, and the Rise of Professional Curation in DeFi.” Sentora, 2025. https://sentora.com/research/reports/the-vault-economy

[4] Plasma.org. “How DeFi Vaults Work: The Infrastructure Abstracting Onchain Yield.” Plasma Learn, February 2026. https://www.plasma.org/learn/how-defi-vaults-work-the-infrastructure-abstracting-onchain-yield

[5] Kvants. “Understanding DeFi Vaults: Infrastructure, Execution, and Strategy.” Kvants Blog, 2024. https://www.kvants.ai/blog/understanding-defi-vaults-infrastructure-execution-and-strategy

[6] Peirce, Hester M. “Headstands and Summervaults: A Statement on Crypto Vaults and Lending Strategies.” U.S. Securities and Exchange Commission, July 22, 2026.