The capital will accelerate core protocol contributions to RGB and deepen integration with the Lightning Network, moving production-grade applications—including Lightning-native payments, wallets, and RGB-based stablecoin rails—into market.
The round featured over twenty investors spanning cryptocurrency, stablecoin, traditional finance, and payments, including Amber Group, Fundamental Labs, United Overseas Bank, HV Capital, Outliers Fund, Taisu Ventures, Arkstream Capital, Signum Capital, Gate Ventures, and Sidedoor Ventures, alongside an undisclosed global stablecoin and digital asset firm.
The company stated: "This financing enables the execution of our long-term roadmap to seamlessly integrate RGB and the Lightning Network for stablecoin payments on Bitcoin. We will intensify focus on core protocol development, interoperability enhancements, and production deployments to deliver accessible settlement solutions for wallets, merchants, and enterprises."
"RGB adds a scalable asset layer to Bitcoin without burdening the base chain. Combined with Lightning Network, it creates a practical path to high-throughput, low-fee stablecoin payments," said a representative from Amber Group. "We believe Bitlight Labs is well positioned to catalyze adoption across wallets, payment flows, and enterprise integrations."
RGB and Lightning Network: Native Stablecoin Rails on Bitcoin
RGB is a client-validated protocol for issuing and transacting digital assets on Bitcoin. By keeping contract and state data off-chain, RGB scales throughput and data size, supports sharding from day one, and interoperates with Layer ...
