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What is Blockchain? A Blockchain is a digital ledger of transactions that is secure, immutable, and decentralized. It consists of a chain of blocks and each block contains a secure group of transactions of money, bitcoins, contracts, property, etc. without any need for third-party middle-man such as central authorities, banks, government, etc. Transactions are verified by a network of computers. Once a block of information is created in the chain, it can’t be changed or deleted. This makes the blockchain very secure and trustworthy. It is a software protocol, it never runs without the internet. Why Do We Use Blockchain? There is no need for centralized authorities to verify our transactions. Blockchain makes it decentralized and secure. The security is maintained by cryptographic processes performed by p2p users, through the process called Data mining. Some of its important features are: Secure Transparent Tamper-proof Peer-to-peer transaction Bitcoin is the most popular cryptocurrency...

Business and Data Analytics

What is Data Visualization? Data visualization translates complex data sets into visual formats that are easier for the human brain to comprehend. This can include a variety of visual tools such as: Charts : Bar charts, line charts, pie charts, etc. Graphs : Scatter plots, histograms, etc. Maps : Geographic maps, heat maps, etc. Dashboards : Interactive platforms that combine multiple visualizations. The primary goal of data visualization is to make data more accessible and easier to interpret, allowing users to identify patterns, trends, and outliers quickly. Types of Data for Visualization Data visualization is categorized into the following categories: Numerical Data Categorical Data Let’s understand the visualization of data via a diagram with its all categories. Why is Data Visualization Important? Let’s take an example. Suppose you compile visu...