Onchain Vaults vs. Traditional Funds: What Changes

Introduction

A $500 million fund pays $250,000 to $750,000 per year for administration services: net asset value (NAV) calculation, investor communications, fee reconciliation, and regulatory reporting. Most of this cost is driven not by the complexity of the work, but by the manual coordination required between four or five separate counterparties. Launching the fund in the first place takes 4 to 12 weeks of legal setup, admin onboarding, and service agreements before a single dollar is deployed.

Onchain vaults change this. By encoding fund operations into smart contracts, they compress settlement from days to hours, automate fee computation at every cycle, and produce a fully auditable record that replaces quarterly reports. JPMorgan's MONY fund, BlackRock's BUIDL ($2.9 billion across seven blockchains), and State Street's SWEEP on Solana are already running production capital through this infrastructure.

This article maps what specifically changes when fund administration moves from manual processes to smart contracts, across operations, roles, cost, and transparency, for institutional managers evaluating the shift.

How Traditional Funds Actually Operate

To understand what onchain vaults change, it helps to map the traditional fund lifecycle clearly. A typical investment fund relies on a chain of intermediaries, each handling a specific piece of the process.

The Intermediary Chain

When an investor subscribes to a traditional fund, their capital passes through multiple entities before being deployed:

• The investor submits a subscription document, typically via paper or email, along with KYC documentation.
• A transfer agent records the allocation, maintaining the fund's shareholder registry.
• The fund administrator calculates the net asset value, reconciling positions across databases and pricing sources.
• A custodian holds the underlying assets and processes settlement via wire transfer.
• The portfolio manager finally deploys the capital into the investment strategy.

A single deposit can touch four or five separate entities before it is reflected in the investor's position. Each handoff introduces latency, cost, and reconciliation risk.

Figure 1: The traditional fund lifecycle, five entities, multiple handoffs, and 2-3 days to confirm a single deposit.

The Cost of Manual Administration

Traditional fund administrators charge 5 to 15 basis points of AUM annually for services that include NAV calculation, investor communications, regulatory reporting, and fee processing. For a $500 million fund, that translates to $250,000 to $750,000 per year in administration costs alone.

These costs are not driven by complexity of the calculations; they are driven by the manual nature of the processes: reconciling data across fragmented systems, generating reports from siloed databases, and coordinating between multiple counterparties on different timelines.

What Onchain Vaults Replace

An onchain vault does not eliminate the need for fund management. Someone still makes investment decisions, someone still provides valuations, and investors still need to be onboarded. What changes is the execution layer. The roles persist, but the manual processes become programmable.

The Smart Contract as Operations Hub

In an onchain vault built on the ERC-7540 standard (the async extension of ERC-4626), the vault smart contract handles:

• Deposit and redemption processing. Investors submit requests onchain. Assets are locked until settlement, then shares are minted at the forward price (the NAV calculated at settlement, not at the time of the deposit request).
• NAV and valuation. A designated valuation provider submits updated total asset values. The curator accepts valuations and triggers settlement.
• Fee computation. Management and performance fees are calculated automatically at every settlement, with high-water mark tracking built into the contract.
• Governance enforcement. Role-based permissions (vault administrator, curator, valuation provider, whitelist manager) are enforced onchain, creating separation of powers equivalent to institutional internal controls.

Lagoon's Vault Factory implements this architecture out of the box — managers deploy a production-ready ERC-7540 vault with all four governance roles configured, without writing contract code or negotiating service agreements.

Figure 2: The onchain vault lifecycle, same fund operations, executed by auditable smart contracts instead of manual processes.

Mapping TradFi Roles to Onchain Equivalents

The key insight: onchain vaults do not remove the roles; they change how the roles are executed. A curator still makes investment decisions. A valuation provider still submits prices. But the coordination between them happens through a smart contract rather than through emails, spreadsheets, and wire transfers.

Seven Dimensions That Change

With these roles mapped, the next question is: what changes operationally across the dimensions that matter most to institutional managers? The differences are not cosmetic. They affect the speed, cost, transparency, and operational model of running a fund.

Launch Time

Traditional funds require 4 to 12 weeks for legal setup, administrator onboarding, and service agreements. With platforms like Lagoon, deploying a vault takes minutes via a permissionless Vault Factory, with no team approvals, no minimum TVL, and no partnership agreements. This does not eliminate the legal work for regulated products, but it removes the infrastructure bottleneck.

Settlement

Traditional settlement runs on T+1 to T+3 timelines, involving wire transfers between banks, custodian processing, and transfer agent recording. Onchain vaults using the ERC-7540 async pattern process settlement in hours: requests are submitted, the valuation provider proposes a NAV update, the curator accepts and settles, and investors claim their shares. The async design accommodates real-world delays (off-chain assets, compliance checks) without the manual overhead.

Transparency and Audit

In traditional structures, investors rely on administrator reports that arrive monthly or quarterly. Portfolio breakdowns, fee calculations, and transaction histories are internal, verified only through periodic external audits. In an onchain vault, every transaction, fee, and allocation is recorded on a public ledger. Investors do not need to trust the report; they can verify it independently, in real time.

Going Further

• ERC-7540 Explained: Async Vaults for Real-World Assets — A deeper technical dive into the async settlement standard behind these vaults.
• What Is Onchain Asset Management? A Practical Guide — The broader context for understanding onchain fund infrastructure.