It is now possible to write readable Smart Contracts on Kaspa!

@Kaspaunchained has announced the launch of Silverscript v1, a high-level smart contract language designed to bring readable, complex, stateful applications to the Kaspa ledger. The release marks a meaningful step forward for a network that has, until now, lacked an expressive developer language at the base layer.

What Silverscript Does

Core developer @OriNewman described Silverscript as "Kaspa's first high-level smart contract language and compiler," designed to enable "DeFi, vaults, and native asset management directly on Kaspa's L1." The practical impact for developers is significant: the language strips away the complexity of writing raw opcodes, condensing what previously required thousands of lines of low-level stack code into concise, human- and AI-readable scripts of around 60 lines.

Silverscript is Kaspa's high-level smart contract language and compiles directly to native Kaspa Script, with no virtual machine and no intermediate representation. The language draws inspiration from CashScript, a higher-level smart contract language originally developed for Bitcoin Cash, but adds constructs such as loops, arrays, and function calls to expand expressiveness within Kaspa's UTXO model.

Silverscript is the standard authoring path for Toccata covenants: developers write the state and transition policy, while the compiler handles low-level stack encoding, ABI layout, state validation helpers, and the repetitive covenant plumbing. This design allows developers to focus on application logic rather than low-level implementation details.

Context: Toccata and the Broader Kaspa Roadmap

The v1 release closes an eight-month development cycle that ran alongside the Toccata framework. Kaspa's Toccata hard fork went live on June 30, transforming Kaspa into a programmable Layer 1 blockchain with support for smart contracts and ZK applications. Previously, Kaspa's UTXO model only controlled who could spend coins. After Toccata, developers can create conditions that determine how and when coins can be spent.

Toccata does not turn Kaspa into an account-chain smart contract system. Instead, it makes UTXOs able to carry state, split into parallel lineages, merge when necessary, and prove the next step. Silverscript sits on top of this foundation as the primary authoring tool for covenant-based applications.

One caveat worth flagging for developers: the KCC20 token standard is still not live, meaning the full token infrastructure on Kaspa remains a work in progress even as the smart contract language itself reaches v1.

Sources:
Silverscript, Kaspa Official Docs
Silverscript Repository, GitHub
Kaspa Toccata Hard Fork Overview, Bitget News