Crypto? Prove it.
Verify any buyer in seconds with a secure one-time link.
Free and simple.
WalletSign is 100% free for businesses and sellers — buyers pay $49.99 per proof.
Screenshots are dead.
WalletSign uses cryptographic signatures to create proofs that can't be faked, edited or altered. Screen incoming leads quickly and see who's actually serious.
const signature = await wallet.sign(message);
const recovered = ecrecover(hash, signature);
// Cryptographically verified owner
if (recovered !== expectedAddress) throw Error;
return true;
Cryptographic Signature
Buyer connects their wallet and signs directly from their device. Impossible to fake or edit.
Digital Timestamp
Each proof is locked to the exact moment it was signed. No screenshots, no gimmicks.
Instant Verification
Scan the QR code anytime to confirm the proof is authentic and unaltered.
Zero Friction
No accounts, no setup, no payment details. Just send a link and get the results.
Compliance Ready
Professional PDF statement for your records, audits, or legal files.
Secure Delivery
Once completed, the proof is sent directly to your email. No account needed.
Prove your funds.
Keep your privacy.
Whether you're buying a new watch, viewing an apartment, or closing a private deal — WalletSign gives you a clean, verifiable proof without sacrificing your privacy.
Instant Proof
Demonstrate liquidity in seconds, whenever it's needed.
Minimal Exposure
Choose which wallet(s) to connect. Addresses are masked and no other information is shown. Hide exact balance with "More than $X" option.
No KYC whatsoever
Use any display name. Nothing is linked to your identity or saved for any reason. Just connect wallet and sign.
100% Read-Only
We never access your private keys or request any permissions. Just sign a basic message proving ownership.
Auto-Expires in 30 Days
Every proof self-destructs in 30 days. No permanent record, no long-term storage.