Blockchain : Introduction to Blockchain – For Everyone | what is a blockchain system
If you try to sneak into this mystery called blockchain, then you will recall in horror because of the pure opacity of the technical terms that are often used to construct it. Therefore, let’s discuss the actual situation of the blockchain before we can deeply [**blockchain technology explained**](http://www.cointiko.com/blockchain-technology/what-is-blockchain-technology/) may change the world.
In the simplest terms, a **blockchain** is a digital ledger of transactions, unlike the ledgers we have been using for centuries to record sales and purchases.
What is the Blockchain?
A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency’s block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history.
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