# High-Performance ZKsync Era VM
[](https://github.com/matter-labs/vm2/actions)
[](https://github.com/matter-labs/vm2#license)
**Documentation:**
[](https://matter-labs.github.io/vm2/zksync_vm2/)
A high-performance rewrite of the out-of-circuit VM for ZKsync Era.
## License
ZKsync Era VM is distributed under the terms of either
- Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or <http://www.apache.org/licenses/LICENSE-2.0>)
- MIT license ([LICENSE-MIT](LICENSE-MIT) or <https://opensource.org/blog/license/mit/>)
at your option.