₿ BTC Proof

Prove wallet ownership. Without spending a single satoshi.

1Connect

2Sign

3Result

Connect Your Wallet

Purpose of this proof (optional — adds context to the signed message)

This text will be embedded in the signed message, making the proof context-specific and legally stronger.

0/200

🔵

Trust Wallet

Mobile

Connect via WalletConnect QR code on this page.

🦊

MetaMask

Browser / Mobile

Connect via WalletConnect or browser extension.

⚡

Electrum

Desktop

Addresses tab → right click → Sign/Verify Message.

🔒

Zero transactions

Only a cryptographic signature is requested. No funds move, ever.

🔑

Your keys stay yours

Your private key never leaves your wallet. We only see the public signature.

👁️

Fully auditable

Anyone can verify the proof independently using bitcoin-cli or any Bitcoin library.

🗑️

No data stored

Challenges expire in 10 minutes. We store no addresses, signatures or personal data.

⏱️

One-time challenge

Each challenge is unique and can only be used once, preventing replay attacks.

🌐

Open source

All code is public on GitHub. Inspect every line, fork it, or run your own instance.

felipealves.online · Open source · Auditable · No data collected