• LINGAM GAJJELA
• D.SRINIVAS
• K.BHARATH KUMAR

The most popular problem solving technology in recent years is Blockchain Technology. It solves most of the issues in banking sectors industry zones in recent years because of its features and reliability and services. It is creating new opportunities and providing a competitive advantage for business in current and new markets. IoT generate, collect and produce huge data, due to this it face security and privacy issues, for services and potential data. Blockchain has provide services to IoT solutions by creating applications to solve the security and privacy issues. Technology has a great potential in the most diverse technological areas and can significantly help achieve the Internet of Things view in different aspects, increasing the capacity decentralization capacity, facilitates interactions, it enables new transaction models, and allowing autonomous coordination of the devices. This Paper intention is to provides the structure of blockchain and its operation, it also analyze the use of blockchain and explain how it provides security and privacy in IoT

Key Terms: Blockchain,Decentralization,Cryptosystem,Bitcoin,Cryptocurrency

"SECURITY AND PRIVACY SOLUTIONS BASED ON BLOCKCHAIN FOR INTERNET OF THINGS(IOT)", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 12, page no.545-552, December-2018, Available :http://www.jetir.org/papers/JETIR1812278.pdf

"SECURITY AND PRIVACY SOLUTIONS BASED ON BLOCKCHAIN FOR INTERNET OF THINGS(IOT)", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 12, page no. pp545-552, December-2018, Available at : http://www.jetir.org/papers/JETIR1812278.pdf