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Sign Webapp is an online tool that allows users to create a digital signature for their documents, which can be verified on the blockchain.
The process involves creating a unique hash value for each asset, which changes if there is any modification made to the document.
Overall, Signature Chain offers a more efficient and user-friendly way to certify documents, making it a valuable tool for businesses and individuals alike. You can Certify your document or Verify certification of documents on the blockchain.