Blockchain Exchange in BitcoinIn this book, I gathered some information about blockchain technology for you.After reading the book, you will be very close to bitcoin technology and you can buy and sell bitcoin by doing a better analysis. What is a Smart Contract?Smart Contract is a computer protocol that is also used for real-life contracts and money transfers, uses the security of blockchain technology and performs the coded command itself without the need for any central institution, organization or intermediary.If we explain a little more, in terms of the security of the contracts that we use frequently in our daily life, we need either the institution, the seal-signature of the institution or the notary public and sometimes both. This situation causes both jobs to take longer and to be costly. Instead of such bureaucratic and costly transactions, smart contracts allow us to code the transaction orders we need and to process the orders themselves. Its security is ensured by the immutability of the blockchain