QR de Billetera Cripto

Generador de Códigos QR de Criptomonedas para Transferencias de Billetera

Evita costosos errores de tipeo en transferencias cripto generando códigos QR escaneables para Bitcoin, Ethereum, USDT y billeteras populares.

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Error-Free Cryptocurrency Payments & Donations

Cryptocurrency wallet addresses are long and prone to manual copy-paste mistakes. QR codes ensure 100% address accuracy during point-of-sale transactions or online donations.

Works seamlessly with MetaMask, Trust Wallet, Coinbase Wallet, and all leading crypto apps.

Arquitectura Técnica y Protocolo

Technical Overview of Cryptocurrency Payment URI QR Codes

A crypto QR code carries a public receive address and optional payment details in a standard payment URI — Bitcoin's BIP-0021 (`bitcoin:

?amount=&label=`), Ethereum's EIP-681 (`ethereum:

`), or the equivalent for USDT, Solana, and Litecoin.

Crypto addresses are long, unforgiving strings of 34 to 64 characters (`bc1q...`, `0x...`). Type one by hand and a single wrong character sends the funds into the void — permanently, with no chargeback on a blockchain.

A QR code removes that risk. Scan it inside MetaMask, Trust Wallet, Coinbase Wallet, Phantom, or Binance and the recipient address and amount populate exactly, which makes a point-of-sale payment, a tip jar, or an invoice settlement quick and error-free.

Crypto QR Code Payment vs. Manual Address Copy-Pasting

Security / Usability Factor	Crypto QR Code Payment	Manual Address Copy / Typing
Address Accuracy	100% byte-for-byte exact (Zero risk of typos)	High risk of transcription errors and fund loss
Clipboard Hijacking Defense	Bypasses desktop/mobile clipboard malware	Vulnerable to malware that swaps copied addresses in clipboard
Payment Speed	1 Scan + Review + Confirm (< 5 seconds)	30 - 60 seconds (Copying, pasting, verifying characters)
Pre-Set Payment Amount	Auto-fills exact crypto amount in wallet	User must manually calculate and enter amount
Point of Sale Integration	Instant tabletop or register display	Requires displaying 42+ character text string

Cómo Crear un Código QR Cripto en 3 Pasos

Select Cryptocurrency & Input Public Wallet Address

Choose Bitcoin (BTC), Ethereum (ETH), USDT (TRC-20/ERC-20), Solana (SOL), or Litecoin (LTC) and paste your public receive address.

Specify Optional Fixed Payment Amount

Set a fixed amount, or leave it blank so the payer enters their own tip or donation.

Download Vector SVG for POS Displays or Invoices

Add the coin logo and export SVG for a register stand or PNG for a PDF invoice.

Características y Capacidades de Código QR Cripto

Eliminate Catastrophic Address Typing Errors

The exact address populates automatically, so a sender cannot lose funds to a mistyped character.

Support for Major Cryptocurrencies & Stablecoins

Standard payment codes for Bitcoin, Ethereum, USDT, Solana, Litecoin, and BNB.

BIP-0021 & EIP-681 Standard Compliance

Reads correctly in MetaMask, Trust Wallet, Coinbase, Phantom, and Binance.

100% Client-Side Cryptographic Security

Your public address is encoded locally in your browser. Private keys are never touched or asked for.

Crypto QR Code Sizing & Placement Specifications

Crypto QR codes should be clearly displayed with visible network labels.

Placement Application	Scanning Distance	Minimum Print Size	Recommended Substrate
Point-of-Sale (POS) Cash Registers	25 cm - 40 cm (10" - 16")	40 mm x 40 mm (1.6" x 1.6")	Acrylic Countertop Stand / Metal Plate
Content Creator Livestreams & Tip Jars	On-Screen Digital Display	200 x 200 px on screen	High-Contrast Screen Overlay
PDF Invoices & Freelance Billboards	20 cm - 35 cm (8" - 14")	30 mm x 30 mm (1.2" x 1.2")	Digital PDF / Vector SVG
Charity & Non-Profit Donation Banners	50 cm - 100 cm (20" - 40")	80 mm x 80 mm (3.2" x 3.2")	Matte Vinyl Banner
Storefront Window Stickers	40 cm - 80 cm (16" - 32")	60 mm x 60 mm (2.4" x 2.4")	Weatherproof Matte Vinyl Decal

Dónde Usar un Código QR Cripto

1

Retail Storefront & Restaurant POS Payments

A code at the till lets a customer pay in Bitcoin or USDT from their mobile wallet.
2

Content Creator & Streamer Tip Jars

A Bitcoin or Ethereum donation code sits on a livestream, a Twitch overlay, or a blog.
3

Freelancer & Agency Invoice Settlements

A code on the PDF invoice settles an international project fast, across borders, with no wire delay.
4

Charity & Humanitarian Disaster Relief

Donors give crypto directly to a transparent, auditable on-chain address.
5

Pop-Up Shops & Open-Air Markets

Take touchless payment at a craft fair or a food market with no merchant hardware fee.

Critical Safety Precautions for Crypto QR Codes

Name the network. Label the code with the exact chain — "USDT (TRC-20)" versus "USDT (ERC-20)". Send across incompatible networks and the funds are gone.
Public address only. A crypto code should carry your public receive address and nothing else. Never encode a private key, a seed phrase, or a recovery password.
Test small first. Run one small test transaction before you approve a large print run.
Skip subtle styling. Gradients or metallic inks confuse the optical sensor. Dark modules on white.
Guard the display. In a public venue, a tamper-evident acrylic stand stops someone slapping a fraudulent sticker over your code.

Preguntas Frecuentes sobre Código QR Cripto

Todo lo que desarrolladores, especialistas en marketing y empresarios necesitan saber.

Is it safe to display my Crypto QR Code publicly?

Yes — it only holds your public receive address. People can send funds to your wallet, but nobody can withdraw from it. Your private keys stay entirely in your custody.

Which wallet apps can scan these Crypto QR Codes?

The standard mobile wallets all read standard URI codes — MetaMask, Trust Wallet, Coinbase Wallet, Binance, Phantom, Exodus, Kraken, Electrum.

Can I specify a fixed payment amount in the QR code?

Set an optional amount like 0.005 BTC or 50 USDT and the wallet fills it in automatically on scan.

What happens if someone sends a different cryptocurrency to my address?

Sending an incompatible coin — Bitcoin to an Ethereum address, say — can lose the funds permanently. That is exactly why the code should be labelled with the precise coin and network.

Do Crypto QR codes expire or charge transaction fees?

The code is permanent and free. Standard blockchain gas fees apply only when a payer actually submits a transaction — that is the network's charge, not ours.

Where do I find my public wallet receive address?

Open your wallet app, go to Receive, pick the coin, and copy the public address shown.

Can I embed the official Bitcoin or Ethereum logo in the QR code?

Sure. Because Level H can rebuild up to about 30% of a damaged code, the coin logo can sit dead centre without breaking anything.

Are my wallet addresses stored on QR Generator Online servers?

No. Everything happens locally, so your wallet addresses are never uploaded, logged, or tracked.

Lista de Verificación de Impresión y Escaneo de Código QR Cripto

Verify your public receive address character by character before you generate, and label the code clearly with the exact coin and blockchain network — a wrong-network transfer is unrecoverable.

Los 22 Generadores de Código QR

Explora los 22 generadores especializados de código QR para convertir sitios web, WiFi, vCards, documentos, redes sociales, enlaces de pago y ubicaciones en códigos escaneables.

URL

Redirigir a un enlace web existente

Documento PDF

Vincula o sube un menú, folleto o catálogo en PDF

Texto Plano

Codifica texto plano en un código QR

Contacto

Comparte información de contacto al instante

WiFi

Comparte credenciales WiFi mediante código QR

Correo

Crea un código QR de correo prellenado

SMS

Crea un código QR de SMS prellenado

Teléfono

Realiza una llamada con un solo escaneo

Inicia una conversación de WhatsApp

Social

Enlaza a tu perfil de redes sociales

Ubicación

Comparte una ubicación en el mapa

Evento

Crea un código QR de evento de calendario

Cripto

Comparte una dirección de pago en criptomonedas

Google Forms

Enlaza a una encuesta de Google Forms

Instagram

Comparte tu perfil de Instagram

YouTube

Enlaza a tu canal o video de YouTube

Comparte tu perfil de LinkedIn

Twitter / X

Comparte tu perfil de Twitter/X

TikTok

Comparte tu perfil de TikTok

Comparte tu perfil o grupo de Telegram

PayPal

Acepta pagos de PayPal mediante código QR

UPI

Acepta pagos UPI (India)

Plataforma con la Privacidad Primero: los códigos QR estáticos se generan 100% localmente en tu navegador. Las campañas dinámicas se gestionan de forma segura con enrutamiento cifrado.

Seguro · Global · Rápido — Con la confianza de miles de usuarios. No necesitas cuenta.

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Comienza a generar códigos QR profesionales y personalizables en segundos. Sin cuenta, sin costos, nunca.

Crear QR de Billetera Cripto — Es Gratis

No requiere registro • Códigos QR ilimitados • Descarga en PNG, SVG, WebP

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