Rootstock is an EVM-compatible smart contracts platform that leverages Bitcoin's security. It enables the deployment of decentralized applications and smart contracts on the Bitcoin network, offering features like merged mining and a two-way peg with Bitcoin through "Smart BTC" (RBTC). RSK also supports interoperability with Ethereum.

Rootstock Smart Bitcoin is the native token of RSK. All of the RBTC supply is formed from Bitcoins originating from the Bitcoin blockchain, and the token is used to pay miners for transaction and contract processing.