Blockchain technology's opportunities extend beyond the development of cryptocurrencies. Blockchain, whose best-known application is Bitcoin, is actually a versatile tool that could also be used in intelligence gathering or to curb one of the most dangerous phenomena facing the internet today: fake news.
THE CONFERENCE AT THE CHAMBER
These perspectives were analyzed this morning in the Parliamentary Groups' Hall of the Chamber of Deputies, where a new conference was held as part of the Collective Intelligence series of meetings, promoted with the aim of "spreading the culture of security among all citizens" and "aiming to build a resilient and innovative society" by the Undersecretary of State for Defense. Angelo Tofalo (M5S), already a member, during the previous legislature, of Copasir, the parliamentary committee for the oversight of the secret services.
WHAT IT IS AND WHAT IT ALLOWS YOU TO DO
When we talk about this technology, we are referring, according to the most common definitions, to a database structured into blocks (blocks) or network nodes that are connected to each other (chains) so that every transaction initiated on the network must be validated by the network itself. In short, the blockchain is represented by a chain of blocks that contain and manage multiple transactions.
With Blockchain, data is exchanged encrypted, meaning it never travels in plain text; instead, it's stored within the database. What you get with Blockchain is a cryptographic fingerprint of the relationship with the information stored within the database, rather than being encrypted and then decrypted only under certain permission levels. So, from one perspective, this concept makes the system more reliable—because data never travels in plain text—but on the other, the concept of having this redundant information across a series of nodes that make up the distributed ledgers of the Blockchain network ensures the impossibility of a single point of failure, as occurs in centralized systems. Because even if you attack and hack a node, this information is effectively replicated across the other nodes.
As mentioned, the practical uses of all this are practically endless: not only banking and finance, but also healthcare, supply chains, and even cybersecurity and the safeguarding of democratic processes.
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