Bitcoin, the virtual currency, or its recent Ethereum competition, are well known. On the other hand, what makes them operate, not so much? The blockchain is the system that allows this virtual money to work automatically (without supervision) as cash, that is, to change hands, without deviating (and without intermediaries, such as central banks), or to be spent by more than one person.
The blockchain is a decentralized online block system that contains information and maintains a permanent record of all transactions made by users, where each block includes information on previous transactions and has only one successor block and one predecessor block. In practical terms, it allows you to store data permanently, as well as perform secure, but anonymous, transactions between people who are not known or who have built trust, without requiring intermediaries to supervise the process.
Internet Of Things
Refrigerators that notify when the milk is finished, medicine bottles that alert when you have to take them, baby monitors that communicate more details about their temperature and activity, systems of care of home plants that are watered automatically, according to their growth and climate: the IoT, for its acronym in English, is the interconnection to the Internet or electronic devices, vehicles, buildings, among others, which collects and exchanges information through sensors. After analyzing it, the IoT receives and sends useful information that facilitates the lives of people and even automates specific human actions.
Currently, it is estimated that there are around 15 billion devices connected to the internet. And its growth will be exponential due to the explosion of artificial intelligence, which feeds on the information we all provide, through the interconnection of billions of devices that collect and transmit data. This could result in between 26 to 100 billion connected items by 2020. This massive increase in articles connected via the internet will generate an industry of new products and services.