Кроме того, база данных видна всем пользователям, благодаря чему они могут проверять код, прежде чем с ним работать. They are designed with a engineering known as blockchain. That's a form of ledger that information and verifies transactions built on it. All transactions built on these so-referred to as decentralized networks https://ethereum42384.blog2freedom.com/32203102/5-easy-facts-about-etherum-described