> **Can't find what you're looking for?** Use `search_docs` on the docs MCP server at `https://viem-jdxsbj9a9-wevm.vercel.app/api/mcp` to find what you need.

# Secp256k1 Errors

:::info
`Secp256k1` is a re-export of ox's [`Secp256k1`](https://oxlib.sh/api/Secp256k1/errors). Refer to the ox documentation for the full reference.
:::

## `Secp256k1.InvalidPrfSizeError`

Thrown when a WebAuthn PRF output is not 32 bytes.

## `Secp256k1.InvalidSeedSizeError`

Thrown when a seed contains fewer than 32 bytes.