Software major Tech Mahindra is partnering with Microsoft to create a Blockchain-based solution to fight spam calls, according to the report.
Here is the link: https://www.hindustantimes.com/tech/tech-mahindra-microsoft-to-develop-blockchain-based-solution-to-curb-spam-calls/story-QQSn4Eylgyu0IpnakhgBnJ.html