Permissioned Blockchains have several use cases in the consumer markets industries. Supply Chain Management is an obvious one. Blockchain can help in providing visibility across the supply chain. It can help with increasing efficiencies by automating transaction exchange in a distributed, secure manner as opposed to typical B2B transaction exchange today that are centrally orchestrated through exchanges, hubs, and value-added networks. Visibility is one thing but having full trust in the data you get from third-parties is critical, and blockchain enables that trust.
People management is another area where blockchain can have a real impact. Today, there is an automated way to vet a candidate for a job. Every certification, degree that the candidate claims have to be verified with each institution that supposedly issued them. Similarly, the experience claimed on a resume requires manual verification with each company. If the individual candidates, educational institutions, hiring organizations, recruiting agencies, and so on were to be part of a blockchain network then all these verifications are easily automated. For example, if a candidate claims to have received professional certification from an institution, that update to her resume would have to be endorsed by the appropriate institution. This also gives the owner of the information full control of their respective data.
Blockchain applications go far beyond cryptocurrency and Bitcoin. With its ability to create more transparency and fairness while also saving businesses time and money, the technology is impacting a variety of sectors in ways that range from how contracts are enforced to making government work more efficiently.
When you want to record secure transactions, especially between multiple partners. A traditional database may be good for recording simple transactions between two parties, but when things get more complicated, blockchain can reduce bottlenecks and simplify relationships.
A blockchain is a computer file for storing data. Or, to put it in more technical terms, it’s an open, distributed database. The data is distributed (i.e. duplicated) across many computers, and the whole blockchain is entirely decentralized. This means no one person or entity (say, a government or corporation) has control over the blockchain; this is a radical departure from the centralized databases that are controlled and administered by businesses and other entities.
So how does it work? In very simple terms, the file is comprised of blocks of data, with each block being connected to the previous block, forming a chain. Hence the name ‘blockchain’. As well as the data itself, each block also contains a record of when that block was created or edited, which makes it very useful for maintaining a detailed system of records that cannot be corrupted or lost.
Because the whole blockchain is duplicated across many computers, any user can view the entire blockchain. Transactions or records are processed not by one central administrator, but by a network of users who work to verify the data and achieve a consensus. If this sounds familiar, it’s because Bitcoin operates in the same way. In fact, Bitcoin is the first example of blockchain in action.
One of the biggest advantages of blockchain is that it's a decentralized system. That's good news when it comes to democracy because the more transparency there is the better. It's also much more secure than many alternatives such as paper-based systems or other digital options. In fact, it's secure by design. It had to be - after all, it needed to be able to securely power Bitcoin and other cryptocurrencies.
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