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Beamer Bridge enables direct ERC20 asset transfers between any two EVM-compatible rollups without transiting via L1. Our goal is to provide a smooth user experience to make Ethereum more accessible and convince more people to join the ecosystem. Important for us: Beamer is a community-driven open-source project and will be based on collaborative efforts.

Funding: $1.85 Million

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Project industryBlockchain Infrastructure
Product typeProtocol

What is Beamer

Beamer is a free open source software development project by brainbot technologies AG. The project consists of a smart contract protocol, an online user interface, and an agent software.

Beamer is a protocol to enable users to move tokens from one rollup to another. The user requests a transfer by providing tokens on the source rollup. Liquidity providers then fill the request and directly send tokens to the user on the target rollup.

The core focus of the protocol is to be as easy to use as possible for the end user. This is achieved through separating two different concerns: the service provision to the end user, and the reclaiming of funds by the liquidity provider. The service is provided optimistically as soon as the request arrives. Being refunded on the source roll up is secured by its own mechanism and decoupled from the actual service.

Ultimately and only if necessary, any dispute can be resolved with the help of L1 providing the state from the target rollup to the source rollup. As all rollups store their data on the same base chain, eventually state will be able to be transmitted to each other.


Raised: 2,600,000 USD


Registration country: Germany
Registration year: 2022
Office address: TaunusstraƟe 61 55120 Mainz Germany

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