# Members
The Bitcoin Dev Kit project is proudly supported by the Bitcoin Dev Kit Foundation and its members.
# Platinum
Spiral
Making bitcoin more than an investment. Bitcoin is the best money. It should be used like it. We build and fund free, open-source projects aimed at making bitcoin the planet’s preferred currency.
# Gold
OpenSats
OpenSats is a 501(c )(3) public charity that aims to support and maintain a sustainable ecosystem of funding for free and open-source projects and contributors, especially bitcoin-related projects and projects that help bitcoin flourish.
# Silver
AnchorWatch
AnchorWatch is a Lloyd's of London coverholder, offering 1:1 insurance on bitcoin held in its cold storage solution Trident Vault for up to $100 Million per customer. Serving both retail and commercial clients today in the United States, AnchorWatch leverages advanced Bitcoin smart contracts with the functionality of Miniscript which is supported within BDK.
CleanSpark
CleanSpark responsibly develops infrastructure for Bitcoin, an essential tool for financial independence and inclusion. We strive to leave the planet better than we found it by investing in communities that we operate in. Bitcoin is a watershed moment, not only in the history and invention of money, but in how we relate to each other.
Proton Foundation
Proton Mail started in 2014 with uncensorable donations from the Bitcoin community. In 2024, Proton Wallet launched as a BDK-based Bitcoin wallet to protect financial freedom for all. As Proton's primary shareholder, the non-profit Proton Foundation supports technologies that advance privacy, freedom, and democracy around the world.