Employees
1–10
Founded
2022
Business Model
B2B
Website
stackup.sh

About

Stackup is an account abstraction infrastructure company building on the ERC-4337 standard, enabling businesses to manage crypto operations safely and at scale. Founded by former SpaceX engineers and backed by Y Combinator (S22), Stackup provides bundler and paymaster services that allow developers to create smart contract wallets with gas sponsorship and batched transactions. Its customers include crypto developers and enterprises seeking to simplify Web3 user experience. Stackup raised $4.2 million in seed funding in June 2025 and shipped the first smart contract accounts when ERC-4337 launched.

Summary

Stackup is a Crypto & Web3 company, founded in 2022.

Tech & App Stack

3 technologies & apps tracked

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