Blockchain is a distributed database of immutable records called blocks which are secured using cryptography, it is currently used to track and trace compliance regulations and to build a secure open network for the drug supply chain by pharmaceutical companies. it is used to verify the authenticity of artworks to securely track validate and execute oil and gas transactions and to reduce the settlement time the cost of processing global payments and to increase transparency of cross-border transactions based on recent news blockchain engineers have a 517% increase in demand and the number of positions has grown more than 5fold in the past year.
In 2020 blockchain will be used for Improved Water Resource Management and Decentralized Water use systems, according to Gartner by 2020 at least five countries will have a National Cryptocurrency, it will have the ability to troubleshoot on-chain events and manage uptime and connectivity even when some of the components fail. Blockchain shall be used for data privacy using identity-based encryption.

Job Trends:
Company is hiring for blockchain are:
Deloitte, KPMG, Cognizant, Ey consulting and Verizon.



Skills Required:
Experience working with C, C++, Python, Relational and NoSQL databases, Cryptography, Large codebases, and Internet Security are some of the skill sets that you need to become a Blockchain Developer.