What is Bitcoin? A simple Guide to the world's first Digital currency

Blog Post Content (Short & Clear): Bitcoin is the world’s first and most popular digital currency. Launched in 2009 by a mysterious creator known as Satoshi Nakamoto, Bitcoin allows people to send and receive money online without needing a bank or middleman. Unlike traditional money, Bitcoin is completely digital, decentralized, and built on a secure technology called blockchain. With a limited supply of only 21 million coins, it’s often compared to digital gold. Whether you’re new to cryptocurrency or just curious, understanding Bitcoin is the first step into the future of finance. --- Would you like a longer version, or should I include sections like “How to Buy Bitcoin”, “Is Bitcoin Safe?”, or “Why is Bitcoin Valuable?”?