The Code That Runs DAOs: A Guide to Smart Contracts

By
Rustin Diehl, JD, LLM (Tax)
on
October 30, 2025

Table of Contents

Decentralized Autonomous Organizations, or DAOs, operate without managers, boardrooms, or traditional hierarchies. That might sound chaotic at first, but in practice, it’s a carefully coded system where software executes every rule and decision.

This post breaks down the engine that powers DAOs. We’ll look at how smart contracts form the foundation of decentralized governance, manage treasuries, and control membership. You’ll also see how these coded agreements compare to corporate structures and walk through a practical DAO example in action.

Web3 and the Decentralized Dream

Before we examine the mechanics of DAOs, it helps to understand the environment where they live. DAOs are a creation of Web3, the next evolution of the internet built upon a blockchain network. Unlike the current web, where corporations own the platforms, Web3 aims to give ownership and control back to users. This shift is made possible by technologies like blockchain, which creates a shared, unchangeable ledger of transactions. DAOs use this foundation to create organizations governed by their members rather than a central authority. Smart contracts are the tools that make this democratic and automated governance possible.

The Core Functions of a DAO Smart Contract

Smart contracts are self-executing pieces of code stored on a blockchain. They automatically carry out the terms of an agreement once certain conditions are met.

In a DAO, these contracts serve as the constitution, bylaws, and operating manual all in one. They create a tamper-proof framework for trustless governance, tokenized incentives, and programmable compliance, cutting out many of the traditional intermediaries.

Automated Governance: The Voting Contract

At the heart of every DAO is collective decision-making. Voting contracts make that possible. Members can submit proposals, for example, allocating funds for a project or changing the DAO’s rules, and the smart contract manages the vote.

Let’s say a proposal needs 51% approval to pass. The contract automatically counts votes, which are often weighted by the number of governance tokens each member holds. When the threshold is met, the code executes the result. If the proposal involves funding, the contract can immediately transfer money from the treasury without delays or bias.

Secure Finances: The Treasury Contract

A DAO’s treasury holds its shared assets. The treasury contract manages those funds securely and transparently. Its rules are written directly into the code, meaning funds can be released only after a successful vote or when certain milestones are met.

For example, imagine a DAO managing family wealth. A treasury contract could release funds to a beneficiary upon reaching a certain age. Using an oracle, a service that feeds verified real-world data to the blockchain, the contract confirms the age automatically. The release happens per the agreed terms, with no trustee or manual step required.

Controlled Access: The Membership Contract

Not all DAOs are open to the public. Some require credentials or limit membership. A membership contract enforces those rules by verifying qualifications, maintaining an approved list of participants, or capping the total number of members.

For example, an investment DAO might require all members to be accredited investors and limit membership to 100 verified individuals to remain compliant.

Smart Contracts vs. Traditional Corporate Structures

DAO smart contracts mirror traditional corporate functions but operate differently. The blockchain’s automation and transparency create a new model of organization.

A DAO’s voting contract parallels shareholder voting rights. Both give participants influence, but corporate governance relies on legal processes and manual execution. In a DAO, enforcement happens automatically through immutable code, providing immediate transparency.

A treasury contract resembles preferred stock, defining specific economic rights like dividends, but in code. Payouts are automatically processed and visible to all, unlike the opaque legal documents used in corporate finance.

Finally, a membership contract functions like non-qualified preferred stock or other restricted equity that limits access or control to a select group. Both control access, but the smart contract enforces these rules on the blockchain, while traditional agreements rely on legal and tax frameworks for enforcement.

A Practical Example: The “LegacyDAO”

To see it all in motion, consider LegacyDAO, a family-run DAO on the Ethereum blockchain created to manage multigenerational wealth.

LegacyDAO uses smart contracts to automate its core operations. For younger members, an oracle-triggered contract might say: “When a family member turns 25, release 10% of their allocated tokens.” The transfer occurs automatically, with no human trustee required.

Investment decisions go through a voting contract requiring 60% approval from all token-holding family members. Every transaction is recorded on-chain for a complete audit trail. For privacy, they use zero-knowledge proofs to verify activity without revealing sensitive details.

Legally, the family has structured LegacyDAO as a Wyoming DAO LLC. This legal wrapper provides limited liability protection and allows them to make a partnership tax election, helping them address IRS scrutiny while managing the tax implications of token distributions.

This setup mirrors a purpose trust but with automation, transparency, and flexibility that traditional structures can’t match. It’s a modern approach to managing investments, distributions, and succession planning.

The Future is Code

Smart contracts are the backbone of DAOs. They turn governance from something managed by people into something executed by code. By automating voting, managing treasuries, and controlling membership, they enable organizations to operate with new levels of transparency and efficiency.

If you’re exploring how to form a DAO or navigate its legal and tax implications, our team at Allegis Law can help design a compliant and secure structure for you.

Schedule a consultation to learn how a DAO framework could support your goals.

Disclaimer: This post is for informational purposes only and does not constitute legal advice. Consult a qualified professional for advice on your specific situation.

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