LitVM

LitVM is an EVM scaling proposal for Litecoin put forward in 2024, aiming to provide a Solidity-compatible execution layer on top of Litecoin. It adopts the Arbitrum Orbit rollup stack, with sequencing and data availability handled by Espresso, and works with the BitcoinOS Grail bridging design so Litecoin assets enter the EVM environment as zkLTC and existing contracts migrate with modest changes.

It targets the long-standing limitation that Litecoin only has script-level functionality and cannot host general-purpose contracts: transactions execute in the EVM environment, settlement and dispute resolution return to the Litecoin main chain through the Succinct zk proof system with state commitments submitted periodically, and gas is denominated in zkLTC. The LiteForge network on the developer side is used for contract deployment and debugging. It is categorized as an EVM-compatible execution layer for the Litecoin ecosystem.