Blockchain. Maybe some of you have heard of it. Others maybe not. Inside some circles, Blockchain is a concept that is resonating with force, even though a fair amount of people does not comprehend exactly what it is or why it is important. Any of us could ask: What is a blockchain?

Let’s read the definition from a random corner of the Internet: “A blockchain is a chain of blocks that contains batches of valid transactions. Each block includes the hash of the previous block of the blockchain, linking the two. The linked blocks form a chain, allowing only that block (successor) to be linked only to the other block (predecessor), giving its name to this database”.

Therefore, we could say that a blockchain is a chain of data blocks that contain transactions. Well, it doesn’t seem a promising thing, does it?

Let me highlight a little detail: a blockchain is a ledger of transactions that can’t be manipulated, nor forged. Can you imagine what we could do with this?
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