Stackup Blog

Stackup migrates to Pimlico bundlers

Your success drives us, and we're grateful for your partnership. We've got some big news to share.

Stackup migrates to Pimlico bundlers

As long as we are stuck with the term account abstraction, we might as well refine it.

Four Shades of Account Abstraction

The public mempool is not just an essential element of ERC-4337, but its central cog, turning the entire operation into a positive-sum game.

Bridging the Gap: The Power of a Unified Mempool

You don’t need to be an expert with ERC-4337 to create user operations. In this example, we’ll use userop.js to send an ERC-20 token.

How to send an ERC-20 token with ERC-4337

One advantage of ERC-4337 is that multiple transactions can be sent in a single action. This allows you to turn any experience in crypto into one click.

How to Send Multiple Transactions into a Single User Operation

An initial analysis into a UserOperation's PreVerificationGas value. What is it? Why is it important? And what are some approaches for calculating it?

An analysis of PreVerificationGas

A deep dive into all the known approaches used for calculating a UserOperation's callGasLimit and their trade-offs.

Estimating callGasLimit for UserOperations

A transcript of my conversation with Alexander Chopan

Interview: Alexander Chopan