Lightning Dev Kit is an open-source, modular Bitcoin Lightning Network SDK that provides a complete, standalone Lightning implementation packaged as a flexible set of libraries and tools for building customized Lightning nodes and applications. Lightning Dev Kit's Twitter Score is 19 out of 1000 as of August 2026, ranking #50,682 among 483,944 tracked accounts.
Lightning Dev Kit was founded by Matt Corallo, who began the project in 2018 as a side project called rust-lightning. The SDK is designed so that developers can integrate Lightning features into Bitcoin wallets and applications without being locked into a single node architecture, with individual modules that can be composed and customized to fit a given use case. Spiral backs the project, and it is affiliated with Block, Inc., while Chaincode Labs previously backed it as well.
Lightning Dev Kit has attracted adoption from a range of notable projects. Cash App selected it as the foundation for its Lightning implementation, using it to power Lightning bitcoin withdrawals and deposits for its users. Other projects documented as building on LDK or LDK Node include Lightspark's Sparknodes, the Fedimint Lightning Gateway, LQWD's liquidity provider, Alby Hub, and Mutiny. Lightning Dev Kit has published 296 posts on the platform and has been mentioned by 44 accounts a total of 106 times, reflecting its standing in the Bitcoin developer community.
Who follows Lightning Dev Kit on X?
The accounts that follow Lightning Dev Kit include 113 founders, 8 angel investors, 43 influencers and 1 VCs, among them Bitcoin Magazine, Nathaniel Whittemore, Dylan LeClair, Matt Corallo, Christian Catalini and Sid Coelho-Prabhu.