@neeha-reiki

Part #1 What is Blockchain? Think of a notebook that everyone in the world can see and write in, but no one can erase or secretly change. That’s blockchain — a special kind of database that keeps records safe, honest, and shared. How it Works (Simple Steps) 1. Blocks = Pages in the notebook Each page holds a list of transactions (like who sent money to whom). 2.Chain = Pages linked together Every new page (block) has a fingerprint of the last page. This makes it impossible to change one page without messing up all the others. 3.Everyone has a copy Instead of one person holding the notebook, thousands of computers keep the same copy. If one cheats, the others know it’s fake. Read Part #2………….

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