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Merged
Parent: Update oracles.mdx - SUPRA Oracle + VRF in OP Devs Docs Page.
merged 1 commit into from
Feb 27, 2025
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Fix title #1422

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12 changes: 6 additions & 6 deletions pages/stack/interop/superchain-weth.mdx
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
---
title: Interoperable ETH
title: Superchain ETH
lang: en-US
description: Learn basic details about Interoperable ETH.
---
Expand All @@ -10,22 +10,22 @@ import { InteropCallout } from '@/components/WipCallout'

<InteropCallout />

# Interoperable ETH
# Superchain ETH

InteroperableETH enables seamless ETH transfers across Superchain blockchains. It is implemented using three key contracts:
Superchain ETH enables seamless ETH transfers across the [Superchain interop cluster](/stack/interop/explainer#superchain-interop-cluster). It is implemented using three key contracts:

* [`SuperchainWETH`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/src/L2/SuperchainWETH.sol): A bridge contract that facilitates ETH transfers between Superchain blockchains.
* [`ETHLiquidity`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/src/L2/ETHLiquidity.sol): A liquidity provider for ETH transfers.
`SuperchainWETH` uses this contract as a liquidity repository to ensure ETH availability on the destination chain.
* [`L2ToL2CrossDomainMessenger`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/src/L2/L2ToL2CrossDomainMessenger.sol): A messaging contract that [facilitates cross-chain communication](/stack/interop/message-passing).

InteroperableETH deposits ETH into the `ETHLiquidity` contract on the source chain and withdraws an equivalent amount on the destination chain.
Superchain ETH deposits ETH into the `ETHLiquidity` contract on the source chain and withdraws an equivalent amount on the destination chain.
This mechanism improves capital efficiency and eliminates liquidity fragmentation and poor user experiences caused by asset wrapping or reliance on liquidity pools.

## Features and benefits

* Enables seamless ETH transfers across different chains in the Superchain
* Maintains fungibility of ETH across the Superchain
* Enables seamless ETH transfers across different chains in the Superchain interop cluster
* Maintains fungibility of ETH across the Superchain interop cluster
* Provides liquidity for cross-chain transactions
* Improves user experience by abstracting complex bridging processes

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