Formerly known as Square Crypto, Spiral operates as an independent affiliate of Block, Inc. (formerly Square, Inc.). Its mission is to accelerate the adoption and development of Bitcoin by building and funding crucial, open-source infrastructure. Spiral's key projects include the Lightning Development Kit (LDK), which allows developers to easily integrate instant Bitcoin payments into any application, and the Bitcoin Development Kit (BDK), which provides a comprehensive toolkit for building Bitcoin wallets. The company does not offer commercial products but focuses entirely on providing free, public resources to strengthen the global Bitcoin ecosystem.

Founded in

United States