# @cosmjs/proto-signing

> Utilities for protobuf based signing (Cosmos SDK 0.40+)

Latest version **0.39.0** (published 2026-05-04) · Apache-2.0 license · 369.6K weekly downloads

## Install

```sh
npm install @cosmjs/proto-signing
pnpm add @cosmjs/proto-signing
yarn add @cosmjs/proto-signing
bun add @cosmjs/proto-signing
```

## Health

**Score 75/100 (B)** — status: active.

Positive: moderate downloads; has types; esm support; no vulnerabilities; high quality score.

Warnings: pre 1.0.

## Facts

| | |
|---|---|
| Version | 0.39.0 |
| Published | 2026-05-04 |
| First published | 2020-10-31 |
| Weekly downloads | 369.6K |
| License | Apache-2.0 |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 6 |
| Unpacked size | 103.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 699 |
| Maintainers | webmaster128, kiki-skip |

## Links

- npm: https://www.npmjs.com/package/@cosmjs/proto-signing
- Repository: https://github.com/cosmos/cosmjs/tree/main/packages/proto-signing
- npm.io page: https://npm.io/package/@cosmjs/proto-signing

## Dependencies (6)

- [@cosmjs/math](https://npm.io/package/@cosmjs/math.md) ^0.39.0
- [cosmjs-types](https://npm.io/package/cosmjs-types.md) ^0.11.0
- [@cosmjs/amino](https://npm.io/package/@cosmjs/amino.md) ^0.39.0
- [@cosmjs/utils](https://npm.io/package/@cosmjs/utils.md) ^0.39.0
- [@cosmjs/crypto](https://npm.io/package/@cosmjs/crypto.md) ^0.39.0
- [@cosmjs/encoding](https://npm.io/package/@cosmjs/encoding.md) ^0.39.0

## Recent versions

- 0.39.0 (latest) — 2026-05-04
- 0.37.1 (backports-unsorted) — 2025-12-31
- 0.38.0-rc.1 (next) — 2025-12-24
- 0.38.1 — 2025-12-31
- 0.38.0 — 2025-12-30
- 0.37.0 — 2025-10-29
- 0.35.2 — 2025-10-29
- 0.37.0-rc.1 — 2025-10-24
- 0.36.2-0 — 2025-10-24
- 0.36.2 — 2025-10-24
- 0.35.1 — 2025-10-22
- 0.34.1 — 2025-10-22
- 0.37.0-rc.0 — 2025-10-17
- 0.36.1 — 2025-10-02
- 0.36.0 — 2025-08-14
- … 97 more at https://npm.io/package/@cosmjs/proto-signing/versions

## README

# @cosmjs/proto-signing

![typescript](https://img.shields.io/npm/types/@cosmjs/proto-signing.svg)
[![npm version](https://img.shields.io/npm/v/@cosmjs/proto-signing.svg)](https://www.npmjs.com/package/@cosmjs/proto-signing)
[![license](https://img.shields.io/npm/l/@cosmjs/proto-signing.svg)](https://github.com/cosmos/cosmjs/blob/v0.35.0/LICENSE)
![minimum node version](https://img.shields.io/node/v/@cosmjs/proto-signing.svg)
![minified size](https://img.shields.io/bundlephobia/min/@cosmjs/proto-signing.svg)
![monthly downloads](https://img.shields.io/npm/dm/@cosmjs/proto-signing.svg)

Utilities for protobuf based signing (for Cosmos SDK 0.40+) as documented in
[ADR-020](https://github.com/cosmos/cosmos-sdk/blob/66c5798cec/docs/architecture/adr-020-protobuf-transaction-encoding.md)
and
[The 3 levels of proto encoding](https://warta.it/blog/cosmos-sdk-protobuf-signing).

## License

This package is part of the cosmjs repository, licensed under the Apache License
2.0 (see [NOTICE](https://github.com/cosmos/cosmjs/blob/main/NOTICE) and
[LICENSE](https://github.com/cosmos/cosmjs/blob/main/LICENSE)).

---
_Source: https://npm.io/package/@cosmjs/proto-signing · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._