What is Dai (DAI)?

Deep Dive

1. Purpose & Value Proposition

DAI was created to offer a stable, decentralized form of money within the crypto ecosystem. Unlike centralized stablecoins (e.g., USDT, USDC) backed by bank-held fiat, DAI's stability is engineered on-chain. This makes it resistant to censorship and accessible for decentralized finance (DeFi) applications without relying on traditional financial intermediaries.

2. Technology & Architecture

DAI is an ERC-20 token on Ethereum. Users generate new DAI by depositing approved collateral assets into smart contract "Vaults." The system requires overcollateralization—for example, locking $150 worth of Ether to mint $100 DAI. This excess protects the peg if the collateral's value falls. If a vault becomes undercollateralized, it is automatically liquidated to repay the debt and maintain system solvency.

3. Tokenomics & Governance

DAI's supply expands and contracts based on user demand to mint and repay loans. Its rules are not static; they are set by decentralized governance. Holders of the protocol's governance token (historically MKR, now transitioning to SKY) vote on critical decisions like adding new collateral types, adjusting stability fees, and managing the system's risk parameters to ensure the $1 peg holds.

Conclusion

Fundamentally, DAI is a pioneering experiment in creating a resilient, non-custodial digital currency managed by its users rather than a corporation. How will its evolution balance decentralized ideals with the practical demands of a growing global financial system?