# Install risc0-zkos-v1compat

RISC Zero zero-knowledge VM kernel for v1 compatibility. Version 2.2.2 via Cargo; verified 2026-02-03.

## Install

```sh
sudo av install cargo:risc0-zkos-v1compat
```

Additional install commands:

### Portable and language managers

- Cargo (100%):

```sh
cargo install risc0-zkos-v1compat
```

  Evidence: local crates.io package metadata

## Package Facts

- **Package key:** cargo:risc0-zkos-v1compat
- **Package manager:** Cargo
- **Package manager URL:** <https://crates.io/crates/risc0-zkos-v1compat>
- **Version:** 2.2.2
- **Source summary:** RISC Zero zero-knowledge VM kernel for v1 compatibility
- **Homepage:** <https://risczero.com/>
- **Repository:** <https://github.com/risc0/risc0/>
- **License:** Apache-2.0
- **Source archive:** <https://static.crates.io/crates/risc0-zkos-v1compat/risc0-zkos-v1compat-2.2.2.crate>
- **Published:** 2026-02-03 00:08:40.441251+00
- **Last updated:** 2026-02-03 00:08:40.441251+00
- **Generated:** 2026-06-18T16:49:02+00:00

## Executables

- v1compat (binary): Declared by crates.io version metadata.

## Install Behavior

- Bottle: not available

## Freshness

- Page generated: 2026-06-18
- Package-manager version: 2.2.2

## Security Notes

No matching local secret-handling manifest was found for risc0-zkos-v1compat. Nucleus package metadata is still published here so future coverage has a stable package URL.


## Source Database Details

- **Source Database:** crates.io database dump
- **Crate ID:** 1,583,748
- **Crate Size:** 23,144
- **Edition:** 2021
- **Has Lib:** yes
- **Num Versions:** 14
- **Recent Download Window Days:** 90
- **Version ID:** 1,993,280


## Sources

- crates.io package index
- cross-ecosystem install command graph