xChain SDK is a lightweight, modern, and powerful open-source TypeScript SDK designed to simplify and unify developer interactions across multiple blockchain ecosystems, starting with EVM chains (Ethereum, L2s) and Solana. Its developer-first philosophy focuses on providing a clean, easy-to-understand API to make multi-chain development more accessible and productive.
Our mission is to accelerate the adoption of the multi-chain future by building foundational, open-source tools that make developing cross-chain applications radically simple and accessible for everyone.
The multi-chain world is fragmented. For developers, building applications that interact with different blockchain architectures (like EVM and Solana) requires learning and maintaining multiple, disparate libraries, each with its own unique complexities. This fragmentation significantly increases development time, raises the barrier to entry for new builders, and slows down innovation in cross-chain technology.
xChain SDK solves this problem by providing a single, elegant, and unified TypeScript API that abstracts away the complexities of each blockchain. We provide developers with one consistent set of tools to read balances, interact with contracts, and send transactions across both EVM chains and Solana. By doing the heavy lifting of multi-chain integration, we empower developers to build powerful cross-chain applications faster and more efficiently.
We are pursuing a classic "open-core" model: The Core SDK: This is a free, open-source public good designed to maximize developer adoption, build a strong community, and serve as the foundation of the ecosystem. The "Pro" Vision: Long-term financial sustainability will be achieved through a future commercial offering, 'xChain Pro' (our "Universal Asset Translator" vision). Potential revenue streams include transaction fees from the aggregator, B2B API access (SaaS), and enterprise support.
Want to grow through just grant funding
Global
$0. The project has been entirely bootstrapped to date. We have intentionally focused on building the product and demonstrating organic traction before seeking external capital.