Crypto codes encode BIP-21 URIs with coin type, address, and optional amount.
Technical specifications
- QR type
- Crypto
- Payload format
- BIP-21 URI
- When scanned
- Opens a crypto wallet URI
How to create this QR code
Generate and download a scannable code in three steps.
- 1
Choose this type
The generator is already set to this payload type. Switch types with the pills above if needed.
- 2
Enter your data
Fill every field that should appear after a scan. Preview updates as you type.
- 3
Download the file
Customize colors or add a logo, then download PNG or SVG for print or screens.
What a crypto QR code stores
Crypto codes encode BIP-21 URIs with coin type, address, and optional amount.
Merchants and fundraisers display them so wallets prefill the recipient address.
Always verify the address character by character before publishing.
Tips for crypto QR codes
- 1
Test with your target wallet app before going live.
- 2
Show the human-readable address under the code for manual entry.
- 3
Use amount fields only when price is fixed at print time.
- 4
Regenerate if you rotate wallets for security.
Questions about crypto QR codes
Which coins are supported?
Common URIs include BTC, ETH, and other coins listed in the generator.
Can I track payments?
On-chain payments are public; this QR does not add ForQRCode analytics.
Wrong network?
Double-check chain and address format for the coin you select.
Refunds?
Blockchain transfers are irreversible; communicate policy separately.
Print size?
Keep modules sharp; avoid blurry thermal prints for small codes.