What is Dai (DAI)?

Quick Facts

  • Type: Decentralized, crypto-collateralized stablecoin
  • Peg: Soft-pegged 1:1 to the US dollar (1 DAI ≈ $1)
  • Issuer: MakerDAO protocol, governed by MKR token holders
  • Collateral: Over-collateralized with crypto assets via Maker Vaults
  • Blockchain: Native to Ethereum; available on multiple chains
  • Governance: Fully decentralized, community-driven via MakerDAO DAO
  • Launch year: 2017 (Single-Collateral Dai); 2019 (Multi-Collateral Dai)

Introduction

Dai (DAI) is a decentralized stablecoin designed to maintain a stable value equal to one US dollar. Unlike centralized stablecoins backed by dollars held in a bank, Dai is generated entirely on-chain through smart contracts and backed by crypto collateral.

This makes Dai one of the most trust-minimized stablecoins in the DeFi ecosystem — no single company or custodian controls it.

History & Background

Dai was created by MakerDAO, one of the earliest and most influential DeFi protocols on Ethereum. The original Single-Collateral Dai (SAI) launched in 2017, accepting only ETH as collateral.

In 2019, MakerDAO upgraded to Multi-Collateral Dai (MCD), enabling a broader range of crypto assets as collateral. This transition significantly expanded Dai's scalability and resilience across market conditions.

How Dai Works

Dai is created when users deposit crypto assets into Maker Vaults — smart contracts that lock collateral and mint new DAI against it. Vaults require over-collateralization, meaning users must deposit more value than they borrow, protecting the system against price volatility.

If collateral value drops too low, the vault is liquidated automatically to repay the outstanding Dai. This mechanism keeps DAI stable without relying on fiat reserves.

The Dai Savings Rate (DSR) allows DAI holders to earn yield by depositing into the Maker protocol, providing a built-in incentive to hold and use Dai within the ecosystem.

Tokenomics

Dai is minted on demand by users opening Maker Vaults and burned when the generated Dai is repaid. This elastic supply model means Dai in circulation reflects actual borrowing demand rather than a fixed issuance schedule.

The protocol earns stability fees (interest) from borrowers, which fund protocol operations and MKR token buybacks. Dai itself carries no governance rights — those belong to MKR token holders.

Circulating supply ? 5.14 billion DAI
Reserved supply ? 0.1 DAI
Burned
0x0000000000000000000000000000000000000001
0.1 DAI
Total supply ? 5.14 billion DAI
Max supply ? 419.57 million DAI
Updated 2d ago

Ecosystem & Use Cases

Dai is widely used across DeFi for lending, borrowing, yield farming, and trading. Its stability makes it a preferred medium of exchange and unit of account within decentralized applications.

Beyond DeFi, Dai is used for cross-border payments, savings in inflation-prone economies, and as a base asset on decentralized exchanges (DEXs).

Team, Governance & Community

MakerDAO is governed by holders of the MKR token, who vote on risk parameters, collateral types, stability fees, and protocol upgrades. There is no central team with unilateral control — decisions are made through on-chain governance.

The MakerDAO community is one of the most active and long-standing in DeFi, with open forums, governance calls, and delegate systems enabling broad participation.

Advantages

  • Decentralized: No custodian or central bank controls Dai.
  • Transparent: All collateral and smart contract logic is verifiable on-chain.
  • Multi-chain: Available on Ethereum, Polygon, Arbitrum, Base, BNB Chain, and more.
  • Composable: Deeply integrated across hundreds of DeFi protocols.
  • Yield-bearing option: The DSR lets holders earn returns natively.

Risks & Challenges

  • Smart contract risk: Bugs in Maker's contracts could put collateral at risk.
  • Collateral volatility: Sharp crypto market drops can trigger mass liquidations.
  • Governance risk: Poor governance decisions by MKR holders could harm the system.
  • De-peg risk: Extreme market stress could temporarily break the $1 peg.
  • Regulatory uncertainty: Decentralized stablecoins face an evolving legal landscape.

Long-Term Vision

MakerDAO's long-term roadmap, known as 'The Endgame,' aims to make Dai more resilient, scalable, and decentralized. This includes introducing new sub-DAOs, diversifying collateral further into real-world assets (RWA), and eventually launching a new governance token structure.

Dai's vision is to serve as a truly neutral, decentralized form of money — accessible to anyone, anywhere, without reliance on traditional financial infrastructure.

Frequently Asked Questions

Dai is a decentralized stablecoin issued by the MakerDAO protocol on Ethereum. It is soft-pegged to the US dollar and backed by over-collateralized crypto assets rather than fiat held in a bank.

Dai maintains its peg through over-collateralized Maker Vaults, automatic liquidations when collateral falls below safe thresholds, and the Dai Savings Rate (DSR) which adjusts demand. These mechanisms work together to keep Dai close to $1 at all times.

Single-Collateral Dai (SAI), launched in 2017, only accepted ETH as collateral. Multi-Collateral Dai (MCD), launched in 2019, supports a wider range of crypto assets, making the system more scalable and resilient.

The DSR is a built-in feature of the Maker protocol that allows DAI holders to earn yield by depositing their DAI into a smart contract. The rate is set by MKR governance and can be adjusted to influence Dai demand.

MakerDAO is governed by holders of the MKR token through on-chain voting. There is no central authority — all major decisions about collateral types, fees, and upgrades are made by the community.

Dai is natively issued on Ethereum but is also available on Polygon, Arbitrum, Base, BNB Smart Chain, Solana, Optimism, and several other networks through official bridges.

The Endgame is MakerDAO's long-term roadmap to make the protocol more decentralized and resilient. It includes launching new sub-DAOs, expanding into real-world asset (RWA) collateral, and restructuring governance.

Key risks include smart contract vulnerabilities, collateral price volatility leading to liquidations, governance missteps by MKR holders, and regulatory uncertainty surrounding decentralized stablecoins.