Arbitrum docsOperate your chain
Guides to operating your Arbitrum chain: challenge period, bonds and validators, batch poster settings, ArbOS upgrades, BoLD, and contract size limits.
Customizable challenge period
Learn how to customize your Arbitrum chain's challenge period
Bond and validator configurations
Learn how to configure your Arbitrum chain with a custom bond and validator configurations
Batch Poster
Learn how to configure the batch poster.
Configure assertion control
Learn how to configure assertion control.
How to upgrade ArbOS on your Arbitrum chain
Learn how to upgrade ArbOS on your Arbitrum chain.
Enabling blob transactions for Arbitrum batch poster
How to configure your Arbitrum node to post EIP-4844 blob transactions to the parent chain
How to configure Delayed Inbox finality
Learn how to configure Delayed Inbox finality on your Arbitrum chain.
Batch poster fee tuning
Learn how to configure and tune fee-related parameters for batch posting, including blob transaction fees and gas price spike handling.
BoLD for Arbitrum chains
Learn how to integrate BoLD with your Arbitrum chain
Configure smart contract size limit
Learn how to configure the smart contract size limits on your Arbitrum chain
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