What is Wrapped Ether (WETH)?

Ether (ETH) is the native currency of the Ethereum blockchain, serving multiple functions such as staking, transactions, and paying gas fees for computational operations. Wrapped Ether (WETH) is an ERC-20-compatible version of ETH, designed to integrate seamlessly with decentralized applications (dApps) and other tokens on the Ethereum network.

👉 Discover how WETH enhances DeFi interoperability

Understanding Wrapped Ether (WETH)

WETH is created through a smart contract that locks ETH and mints an equivalent amount of WETH, adhering to the ERC-20 standard. Key features:

1:1 Peg: 1 WETH always equals 1 ETH.
Convertibility: Users can wrap/unwrap ETH ↔ WETH anytime.
Utility: Enables ETH to interact with ERC-20-based platforms (e.g., DeFi protocols).

Approximately 3% of ETH’s circulating supply is held as WETH, highlighting its critical role in Ethereum’s ecosystem.

Why Wrap ETH as an ERC-20 Token?

Since ETH predates the ERC-20 standard, it lacks native compatibility with tokenized ecosystems. WETH bridges this gap by allowing:

Token Swaps: Trade ETH for other ERC-20 tokens (e.g., DAI, USDC) via decentralized exchanges.
DApp Integration: Use ETH in applications requiring ERC-20 tokens without custom coding.

👉 Learn why WETH is indispensable for Ethereum traders

ETH vs. WETH: Key Differences

| Feature | ETH | WETH |
|-----------------|-----------------------------|-------------------------------|
| Standard | Native asset | ERC-20 token |
| Supply | Managed by Ethereum protocol | Controlled by WETH contract |
| Gas Payments| Required for transactions | Cannot pay gas fees directly |

FAQs

1. How do I convert ETH to WETH?

Deposit ETH into the WETH smart contract (supported by wallets like MetaMask or platforms like Uniswap).

2. Is WETH safer than ETH?

Both are equally secure, as WETH is backed 1:1 by ETH held in audited smart contracts.

3. Can I earn interest on WETH?

Yes—lend WETH in DeFi protocols (e.g., Aave) to generate yield.

4. What happens if I send WETH to an ETH address?

The WETH remains recoverable but won’t appear as ETH; always use the correct contract to unwrap.