Privacy of telecom users: Trai to use blockchain as weapon against spams

There will be various methods to take the consent and Telecom Regulatory Authority of India (Trai) is currently deliberating those

After failing to check the menace of pesky calls for years, the Telecom Regulatory Authority of India (Trai) is planning to use blockchain technology to control unsolicited communication. Blockchain, popularly described as a digital ledger that is programmed to record virtually everything of value, will be deployed for the first time by any country to check unwanted calls. 

With the deployment of blockchain technology, spammers can be swiftly tracked through data matching even when they use normal 10-digit phone numbers. 

Some 30 billion commercial messages are sent out every month, of which many may be unsolicited, making telemarketing a brisk business opportunity.