What is Dai (DAI)?

By CMC AI
01 September 2026 09:49PM (UTC+0)
TLDR

DAI is a decentralized stablecoin on Ethereum, designed to maintain a value pegged to the U.S. dollar through an over-collateralized system managed by its community.

  1. Decentralized Dollar Peg – It's a stablecoin that algorithmically maintains a 1:1 value with the US dollar without relying on a central issuer.

  2. Collateral-Backed System – New DAI is minted when users deposit approved cryptocurrencies into smart contract vaults, requiring more collateral value than the DAI created.

  3. Community-Governed Protocol – Its rules, including which assets are accepted as collateral, are managed by a decentralized autonomous organization (DAO) where holders of the governance token vote.

Deep Dive

1. Purpose & Value Proposition

DAI exists to provide a stable, decentralized form of digital cash. Unlike centralized stablecoins (like USDT or USDC) that rely on a company holding fiat reserves, DAI's stability is enforced by code and economic incentives on the blockchain. This makes it a censorship-resistant building block for decentralized finance (DeFi), enabling lending, trading, and savings without traditional intermediaries.

2. Technology & Architecture

DAI is an ERC-20 token on Ethereum. Its stability is maintained through Collateralized Debt Positions (CDPs), now commonly called Vaults. To generate DAI, a user locks a greater value of approved collateral (e.g., ETH, WBTC) into a Vault. If the collateral's value falls too close to the loan's value, the position is automatically liquidated to protect the system. This over-collateralization is a key security feature.

3. Tokenomics & Governance

DAI has no fixed supply; its circulation expands or contracts based on user demand to mint or repay loans. The entire system is governed by MakerDAO (now part of the Sky ecosystem), a DAO. Holders of the protocol's governance token (formerly MKR, now SKY) vote on critical parameters like stability fees, collateral types, and risk management, ensuring the system remains adaptive and decentralized.

Conclusion

Fundamentally, DAI is a community-governed, algorithmic stablecoin that uses over-collateralized crypto assets to create a resilient digital dollar native to the blockchain. How will its evolution within the Sky ecosystem further shape its role as DeFi's foundational money?

CMC AI can make mistakes. Not financial advice.