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Aave Interest bearing DAI

Aave Interest bearing DAI

ADAI

Key Stats

Total Supply8.31M ADAI
Max Supply∞
Launch Date2020-12-01
Built OnETH
Token StandardERC20
Smart Contract Address0x0281…68a3
Decimal Places18

Aave Interest bearing DAI Information

Websites
aave.com
Industries
DeFi

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Aave Interest bearing DAI Supported Platforms

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Trading AsToken StandardBuilt OnSmart Contract AddressLaunch Date
aDAIERC20ETH0x028171bca77440897b824ca71d1c56cac55b68a32020-12-01
ADAIV1ERC20ETH0xfC1E690f61EFd961294b3e1Ce3313fBD8aa4f85d2020-01-08

About Aave Interest bearing DAI

Aave Interest Bearing DAI (aDAI) v2 is an upgraded ERC-20 token from the Aave v2 protocol, representing DAI deposits along with accrued interest. Aave is a DeFi platform on Ethereum that enables lending and borrowing via smart contracts, with innovations like flash loans and aTokens. aDAI v2 enhances security and efficiency by holding underlying DAI within its contract, ensuring that 1 aDAI v2 equals 1 DAI at deposit while balances grow as interest accrues. It supports automatic interest accrual, efficient ERC-20 functionality, and lower gas costs. The Aave team, led by Stani Kulechov, introduced these improvements during the transition from v1, offering a migration tool to streamline the upgrade.

Frequently Asked Questions

Aave is a decentralised finance (DeFi) protocol that enables users to lend and borrow digital assets without central intermediaries. Operating on the Ethereum blockchain via smart contracts, the protocol allows users to deposit assets into liquidity pools and earn interest, while borrowers access over-collateralised loans. Aave pioneered features such as flash loans—loans that must be repaid within the same transaction—and the tokenisation of deposits into aTokens, which continuously accrue interest. Originally emerging from the ETHLend project under the leadership of Stani Kulechov, Aave has evolved to become one of the leading platforms in the DeFi space.

Aave Interest Bearing DAI (aDAI) v2 is the upgraded aToken issued when users deposit DAI into the Aave v2 protocol. As an ERC-20 token, aDAI v2 represents the deposited DAI along with the interest earned over time. In v2, the underlying DAI is held directly within the dedicated aToken contract rather than a centralised reserve. This design ensures that 1 aDAI v2 remains pegged to 1 DAI at deposit, while the balance increases automatically as interest accrues. The improvements in the v2 contract also enhance security and operational efficiency compared to the v1 implementation.

aDAI v2 primarily serves as a yield-bearing asset for users who wish to earn interest on their DAI holdings. Converting DAI into aDAI v2 enables users to:

  • Accrue Interest Automatically: The token balance increases in real time, reflecting the interest earned without requiring manual reinvestment.
  • Enjoy Enhanced ERC-20 Functionality: aDAI v2 can be transferred, traded, or integrated into various DeFi protocols, such as liquidity pools and yield farming strategies.
  • Access Improved Operational Efficiency: With optimised gas usage and streamlined contract operations, transactions involving aDAI v2 are more cost-effective compared to its predecessor.

The development of aDAI v2 was undertaken by the Aave team, which has its roots in the ETHLend project. Under the guidance of Stani Kulechov, the team transitioned to a model based on liquidity pools and introduced aTokens to represent user deposits. The enhancements in the v2 version reflect Aave’s commitment to improving security, efficiency, and user experience. The protocol’s evolution is backed by a diverse team of developers, engineers, and blockchain specialists who continue to refine and expand the platform.

With the launch of Aave v2, several technical improvements were introduced over the v1 implementation:

  • Direct Fund Custody: In v2, the underlying DAI is held within the specific aToken contract, offering better segregation of funds.
  • EIP-2612 Integration: The incorporation of the EIP-2612 permit function allows for gas-efficient approvals through off-chain signatures.
  • Optimised Gas Costs: Enhanced contract design reduces transaction costs for deposits, withdrawals, and transfers.
  • Simplification of Features: Certain functionalities, such as interest redirection available in v1, were removed to streamline the protocol.

To ensure a seamless transition, Aave provided a migration tool that utilised flash loans to automatically transfer user positions from aDAI v1 to aDAI v2, maintaining the continuity of interest accrual without disruption.