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What are Bundlers?

Bundlers are audited smart contracts that let users combine multiple actions into a single transaction—making interactions with Morpho and other protocols more efficient. They help reduce waiting times between separate transactions and can lower gas costs by using a multicall function to batch various actions at once.

Bundler3

Bundler3 is the latest and most versatile version, offering additional features like:

  • Callbacks and approvals during a single atomic transaction.
  • Adapters for advanced integrations and custom logic.
  • Audited and formally verified for enhanced security.

Natively integrated in the Morpho Interface, Bundler3 delivers a seamless “one-click” experience for complex flows—such as supplying collateral and borrowing assets—while maintaining robust security guarantees.

Bundler3

Bundler2