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Sign Your Digital Will with Web3
Heavenkey lets you write and sign your digital will with any Web3 wallet (MetaMask, Ledger, WalletConnect, etc).
Using EIP-712 signature, your will is cryptographically verifiable.
No blockchain fees. No server storage.
Just pure privacy and security.
How It Works
1
Fill the Form
Enter your name, beneficiary wallet address, and your personal message.
2
Sign with Web3 Wallet
Connect your wallet and sign the will using secure EIP-712 signature.
3
Download & Share
Get your signed JSON file instantly. You decide how and where to store it.
Why Heavenkey?
  • Fully private: Nothing is stored on any server or blockchain.
  • Legally verifiable: EIP-712 signature proves your wallet signed the will.
  • Zero cost: No gas, no subscriptions, no hidden fees.
  • Instant integration: Just use the shortcode with any WordPress theme or builder.
  • Web3 ready: Compatible with MetaMask, Ledger, WalletConnect, Trezor, Safe, and more.
Pro version coming soon
Upgrade to unlock new features:
PDF Download
IPFS Upload
QR Code Sharing
Unlimited Wills
Legal Branding
Get ready for even more power and professional tools!
Digital Will – Heavenkey

🔎 Signature Verification Tool

Did you receive a signed JSON file from Heavenkey?
This tool lets you verify the authenticity of the message using the EIP-712 signature standard.

âś… The tool checks:

  • the cryptographic signature validity

  • the Ethereum wallet that signed the message

  • the contents of the signed data (name, beneficiary, message, timestamp)

đź“„ No data is stored: the verification runs entirely in your browser.

This ensures the integrity and authenticity of the digital will, without using blockchain or centralized servers.

Heavenkey – Verify Web3 Digital Signature
HEAVENKEY CHECK

Verify Web3 Digital Signature

Paste below the JSON generated by Heavenkey. No data will be sent anywhere.
Verification happens only in your browser.