Computers that verify operations . They are called ' miners ' and are systems that are responsible for storing and distributing copies of the chains. Each block that is created is added to that network.
A history is generated with information and data that is accessed by authorized professionals/teams.
The crux of the matter regarding how Blockchain works is that each new block reinforces the security and authenticity of the previous one. It eliminates the options of manipulating the chain itself, which is the Blockchain itself that gives its name to this technology. A completely reliable transaction ledger is generated for those who participate in this series.
Types of Blockchain
What was once a technological innovation is still one in the sense that the operation is being improved and every year there are new developments, advances and the functioning of the blockchain is being optimized. Over time, different types of blockchain have been generated to respond to different needs and take advantage of the potential of this operation.
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Public Blockchain
Accessible to anyone with a computer and internet access. Their weak point is that special security measures are required, since the greater the number of users who access the same, the greater the risk of violation of the system and, therefore, of the data and information it contains. Examples of the public Blockchain are Bitcoin, the most well-known cryptocurrency today.
Private Blockchain
Unique and exclusive access to certain organizations, companies and/or professionals. These cases are usually called blockchain consortiums . This blockchain can only be accessed with prior authorization from the central unit. Examples? Hyperledger or Quorum, from JPMorgan.
Hybrid Blockchain
The best of both worlds. It is not available to anyone and offers the same security and transparency values as the private blockchain. It is customizable and you can select which operations are more open and who can participate.