# Passkey

> Passkey for Sign In.

A shadcn/ui block from the [@flx](https://ui.flexnative.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/flx/sign-in-4).

- Page, with a live preview: https://shadcn.exchange/r/flx/sign-in-4
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/flx/sign-in-4-light-50bc0955135067e2.png
- Registry item: https://ui.flexnative.com/r/sign-in-4.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://ui.flexnative.com/r/sign-in-4.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `lucide-react`
- Registry items: `button`, `input`, `label`

## Files

### `registry/intents/auth/sign-in/sign-in-4.tsx`

```tsx
import { Fingerprint, KeyRound, ScanFace, ShieldCheck } from 'lucide-react'

import { Button } from '@/components/ui/button'
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
  CardTitle,
} from '@/components/ui/card'
import { Input } from '@/components/ui/input'
import { Label } from '@/components/ui/label'

export function SignIn4() {
  return (
    <Card size="sm">
      <CardHeader className="justify-items-center text-center">
        <div className="from-primary/15 to-primary/5 ring-primary/10 mb-2 flex size-14 items-center justify-center rounded-2xl bg-linear-to-br ring-1">
          <Fingerprint className="text-primary size-7" />
        </div>
        <CardTitle>Sign in with a passkey</CardTitle>
        <p className="text-muted-foreground text-xs text-balance">
          Use Face ID, Touch ID, or a security key. Nothing to remember.
        </p>
      </CardHeader>

      <CardContent className="flex flex-col gap-4">
        <div className="flex flex-col gap-1.5">
          <Label htmlFor="pk-email" className="text-xs">
            Email
          </Label>
          <Input
            id="pk-email"
            type="email"
            placeholder="you@acme.com"
            autoComplete="email webauthn"
          />
        </div>

        <div className="flex flex-col gap-2">
          <Button className="w-full gap-2">
            <ScanFace className="size-4" />
            Continue with passkey
          </Button>
          <Button variant="ghost" className="w-full gap-2 text-xs">
            <KeyRound className="size-3.5" />
            Use password instead
          </Button>
        </div>
      </CardContent>

      <CardFooter className="justify-center">
        <p className="text-muted-foreground/80 flex items-center gap-1.5 text-[11px]">
          <ShieldCheck className="size-3.5" />
          Phishing-resistant. Your key never leaves this device.
        </p>
      </CardFooter>
    </Card>
  )
}
```