Software giant Salesforce has won a patent tackling how a blockchain-powered platform can be utilized to eliminate spam and other unwanted emails.
The US Patent and Trademark Office published a document on Tuesday stating that a blockchain-based platform can be used to check if emails are tampered with or changed after being sent using a custom matching system. The system can also filter spam more efficiently than other protocols.
The proposed platform would leverage a matching system to verify the legitimacy of an email being sent. A portion of the message will be recorded onto a blockchain platform. After receiving it, the second email server will compare a component to check if it matches the section recorded on the blockchain.
The email will proceed to the inbox if the components match, but if there is a discrepancy, it will be marked as spam.
According to the filing, the system “can help ensure that messages and attachments to those messages have not been modified during transit over a network.”
It elaborates that “messaging systems are often abused and used to distribute unwanted or undesirable messages (or other network traffic), which are commonly referred to as spam.” Moreover, spammers have low entry barrier, making sending such emails worthwhile.
Spam filters sometimes result in false positives. The document states that leveraging a blockchain platform can minimize false positives via the proposed matching system.
“The [system] can also better identify legitimate (wanted) messages and distinguish them from illegitimate (unsolicited) messages. Used properly, the immutability and distributed nature of the blockchain can make it impossible to modify information once it has been committed to the blockchain,” the patent details.
It adds that immutable ledger utilization applies to “all information, which can include things like sender and recipient information.”
The authors claim that the concept could also help verify the authenticity of educational transcripts, legal documents, medical records, property rights, deeds, etc.
Salesforce has previously expressed its interest in utilizing the blockchain. Its CEO Marc Benioff stated in March that the firm was planning to create a product using the blockchain for sometime this year, but he did not give the project details.