---
title: snrd auth
description: User authentication with Passkeys
---

Manage user authentication using WebAuthn/Passkey technology for decentralized identity.

## Usage

```shell
snrd auth [command]
```

## Available Commands

| Command | Description |
|---------|-------------|
| `login` | Login with WebAuthn authentication |
| `register` | Register a new identity using WebAuthn |

## Flags

<TypeTable
  type={{
    "help": { type: "boolean", description: "Help for auth" },
  }}
/>

## Global Flags

<TypeTable
  type={{
    "broadcast-mode": { type: "string", default: "sync", description: "Transaction broadcasting mode (sync|async)" },
    "chain-id": { type: "string", description: "Specify Chain ID for sending Tx" },
    "fees": { type: "string", description: "Fees to pay along with transaction (e.g., 10aatom)" },
    "from": { type: "string", description: "Name or address of private key with which to sign" },
    "gas-adjustment": { type: "float", default: "1", description: "Adjustment factor to be multiplied against the estimate returned by the tx simulation" },
    "gas-prices": { type: "string", description: "Gas prices to determine the transaction fee (e.g., 10aatom)" },
    "home": { type: "string", default: "~/.sonr", description: "Directory for config and data" },
    "keyring-backend": { type: "string", default: "os", description: "Select keyring's backend" },
    "log_format": { type: "string", default: "plain", description: "The logging format (json|plain)" },
    "log_level": { type: "string", default: "info", description: "The logging level (trace|debug|info|warn|error|fatal|panic|disabled)" },
    "log_no_color": { type: "boolean", description: "Disable colored logs" },
    "node": { type: "string", default: "tcp://localhost:26657", description: "Tendermint RPC interface for this chain" },
    "trace": { type: "boolean", description: "Print out full stack trace on errors" },
  }}
/>

## Examples

### Register a new identity

```shell
snrd auth register --username alice
```

### Login with existing identity

```shell
snrd auth login --username alice
```

## See Also

- [snrd auth register](./snrd_auth_register) - Register a new identity using WebAuthn
- [snrd auth login](./snrd_auth) - Login with WebAuthn authentication