TRAI introduces blockchain platform to combat spam calls & messages, enabling user control & consent
This initiative reflects TRAI's long-standing commitment to protecting consumers from spam and unsolicited communications.


Highlights
- By employing blockchain, TRAI can verify user consent accurately, allowing only authorized promotional messages to be sent to customers
- The blockchain-based system enhances security, making it significantly more challenging for unauthorised entities to misuse customer data
In a major move to tackle the issue of unsolicited marketing messages and pesky calls, the Telecom Regulatory Authority of India (TRAI) has taken significant steps to empower consumers and curb spam. TRAI has issued directives to commercial entities, mandating them to obtain user consent before sending marketing messages. This initiative, known as the Digital Consent Acquisition (DCA) process, aims to establish a unified platform for customers to digitally register or revoke their consent.
Blockchain technology ensures authenticity & transparency
To ensure the authenticity of user consent and streamline the process, TRAI has implemented blockchain technology. The information collected from users will be stored on TRAI’s distributed ledger technology (DLT) platform, commonly referred to as blockchain.
This platform will serve as a secure and transparent database accessible to all telecom operators. By employing blockchain, TRAI can verify user consent accurately, allowing only authorised promotional messages to be sent to customers. The blockchain-based system enhances security, making it significantly more challenging for unauthorised entities to misuse customer data.
Enhanced user control & industry compliance
With the DCA process in place, customers now have the ability to choose whether they want to receive promotional messages or not. The DCA platform enables users to specify their preferences, ensuring they only receive messages from brands or companies they are interested in. TRAI's directives mandate the inclusion of clear information such as the purpose, scope of consent, and the commercial entity's name in consent-seeking messages.
Moreover, a common short code has been established for these messages. Additionally, only whitelisted avenues, including call back numbers, URLs, and APKs, are permitted for seeking consent.
This initiative reflects TRAI's long-standing commitment to protecting consumers from spam and unsolicited communications. The implementation of the DCA process marks a significant step toward enhancing user control, promoting transparency, and ensuring industry-wide compliance. All existing consents will expire post-implementation, requiring entities to seek fresh consent through digital means exclusively.
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