Blockchain Technology Blockchain is a special kind of technology that's changing,how we do things with computers. It's like a digital record book, butit's super secure and can't be changed once something is written in it. This makes it really important for makin digital transactions safe and honest. Blockchain started with a kind of digital money called Bitcoin, and now it's used in many different ways to maken our digital world better. Evolve of blockchain On 2008, someone named Satoshi Nakamoto introduced a new idea through a document called a whitepaper. This idea was Bitcoin, the first cryptocurrency. Cryptocurrency is like digital money that isn't controlled by governments or banks. What's even more interesting is that Bitcoin's technology, known as blockchain, is the key to this. Blockchain works like a digital ledger, where each transaction is recorded in a block, and these blocks are linked together to form a chain. This ledger is not kept in on