The RGB protocol has officially launched on the Bitcoin mainnet, introducing the possibility of tokenized assets like stablecoins, non-fungible tokens (NFTs), and other custom tokens to the Bitcoin ecosystem. The protocol aims to expand Bitcoin's functionality while upholding its core principles of decentralization, privacy, and self-custody.
RGB employs client-side validation, meaning transaction data is processed and verified by the user rather than the blockchain itself. This keeps asset activity off-chain while anchoring proofs to Bitcoin transactions, enhancing privacy and minimizing blockchain bloat. This approach allows for scalability and flexibility, making it suitable for various advanced use cases.
One of the first real-world applications of RGB will be Tether's USDT stablecoin. According to Viktor Ihnatiuk, founder and CEO of Boosty Labs, RGB will enable confidential and scalable stablecoin transfers on Bitcoin. USDT users can expect fast and inexpensive transfers directly on Bitcoin, thanks to its compatibility with the Lightning Network, eliminating the need for other chains. Current RGB projects are also looking into integrating Tether on Bitcoin once available.
RGB's architecture is designed to be compatible with the Lightning Network, enabling near-instant settlements without waiting for Bitcoin blocks to be mined. By connecting token-specific payment channels to the Lightning Network, RGB assets can provide a user experience and security level similar to regular Lightning Network payments. This enables low-cost, fast, and stable payments, benefiting users, developers, and Lightning node operators.
RGB distinguishes itself from other chains by being directly built on Bitcoin, leveraging Bitcoin's robust security. The client-side validation model enhances privacy. Furthermore, Lightning-based atomic swaps will facilitate decentralized trading functionalities. RGB's virtual machine (VM) capabilities can support any DeFi logic and potentially be compatible with the Ethereum Virtual Machine (EVM). This opens the door for building decentralized exchanges (DEXs), stablecoins and other DeFi solutions on Bitcoin.
RGB utilizes breakthroughs such as client-side validation, single-use seals, and zero-knowledge proofs. It operates as a layer 2 or layer 3 technology on top of Bitcoin, ensuring complete ownership and management of property rights without requiring a new blockchain or Bitcoin fork.
Beyond stablecoins, RGB can be used for asset tokenization to digitize physical or digital assets like real estate and collectibles. It can also represent tokenized securities, such as stocks, bonds, and financial instruments, on Bitcoin.