Alfredo Muñoz, professor of Commercial Law at the Complutense University of Madrid, explains what 'blockchain' is and why it is so important. It is a large digital ledger that records all transactions in a transparent, secure and decentralized manner, thanks to the use of cryptography.
Its impact is already being felt in a multitude of sectors such as finance, commerce, intellectual property or even education. The first sector affected is the financial sector, but when it emerged today, the intention was to create a payment network.