US Patent 11223481 Electronic document signing using blockchain

The systems and methods of the present disclosure can allow for uploading and signing of one or more electronic documents, e.g., by multiple users or participants. Information for each transaction (e.g., uploading, signing, verification, etc.) by the users/participants related to the uploaded and signed document further can be generated and provided to one or more blocks in a blockchain. In addition, the electronic information of the uploaded and signed document can be hashed and provided to one or more blocks in the blockchain. Accordingly, with embodiments of the present disclosure, an immutable transaction history can be provided for uploaded and electronically/digitally signed documents.