Lightning Network: Enables instant, low-fee Bitcoin payments, making BTC practical for everyday transactions and global micropayment adoption.
Stacks: Adds smart contracts and decentralized applications to Bitcoin while leveraging BTC’s security and settlement layer.
Rootstock (RSK): Brings Ethereum-compatible smart contracts to Bitcoin, expanding DeFi, lending, and decentralized application capabilities.
Liquid Network: A Bitcoin sidechain offering faster settlements, confidential transactions, and asset issuance for exchanges and institutions.
RGB Protocol: Enables scalable smart contracts and tokenization on Bitcoin using client-side validation and enhanced privacy features.
Fedimint: Community-based custody solution improving Bitcoin usability through federated mints and private, scalable payment systems.
Ark Protocol: Focuses on scalable, trust-minimized Bitcoin payments using off-chain settlement and simplified user experiences.
Taproot Assets: Allows asset issuance on Bitcoin using Taproot, enabling stablecoins and tokens without altering Bitcoin’s base layer.
Statechains: Enable off-chain Bitcoin transfers while maintaining security, offering efficient ownership transfers without on-chain congestion.