OP Avail Testnet

Overview

OP Avail testnet is an OP stack powered L2 that uses Avail as its data availability layer.

In OP Avail, L2 transaction data are written to Avail instead of Ethereum calldata. The resulting unique transaction reference blob key is then written to Ethereum calldata. By doing so, the cost of publishing on Ethereum becomes relatively negligible, even when the actual data is megabytes in size. The rollup node will then be able to retrieve the data commitments from the calldata on Ethereum, and then retrieve the transaction data from Avail.

To learn more about OP Avail, refer to the guide Build a Rollup With Avail.

OP Avail Testnet info

Parameter	Value
Network Name	OP Avail Testnet
Chain ID	42069
Currency Symbol	ETH
Settlement Layer	Sepolia Testnet
Rollup Info Page	https://rollup-info.altlayer.io/public/op_avail_testnet
Explorer	https://op-avail-explorer.altlayer.io/
Public RPC URL	https://op-avail.altlayer.io/
Bridge	https://opbridge-app.altlayer.io/deposit?id=42069

Short Guide

1. To start using the network, you can add it to your wallet by visiting the Rollup Info Page.

   

   OP Avail Testnet rollup info page
2. Next, visit the bridge interface to bridge your Sepolia Testnet ETH to OP Avail testnet.

You can obtain Sepolia Testnet ETH from public faucets like https://sepoliafaucet.com/ or https://www.sepoliafaucet.io/.

Bridging 0.1 Sepolia Testnet ETH to OP Avail Testnet

3. Once deposit is initialised, it will take ~1min for the deposit to arrive on OP Avail Testnet. After which, you can use the network to start deploying your contracts.

Deposit confirmation of 0.1 Sepolia Testnet ETH to OP Avail Testnet