
RGB Protocol
RGB is a Bitcoin smart-contract protocol that uses client-side validation and single-use seals to keep contract data off-chain.

What is RGB Protocol?
RGB is a smart-contract framework for Bitcoin that runs validation off-chain on the user's machine and commits state to the Bitcoin blockchain through single-use seals. Developers can issue fungible and non-fungible assets, build DEXes, and deploy more complex contracts without changing Bitcoin's base layer. Lightning Network integration extends the model to fast, off-chain transfers.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

