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How is blockchain technology going to change the world?

Jitha Sanal
Jun 26, 2019 5:40:00 PM

What is Blockchain?  let’s start with a mere and precise definition.

Blockchain technology is a digital, distributed transaction ledger with identical copies maintained on each of the network’s members’ computers. All parties can analyze previous records and register new ones. Transactions are classified in blocks, recorded one following the other in a chain of blocks.

The links within blocks and their content are protected by cryptography, so previous transactions cannot be destroyed or forged. This indicates that the ledger and the transaction network are trusted without a fundamental authority.

Security is everything, whether you are dealing with data, information or fund transactions, security appears to get preference. Including the importance of security, blockchain comes as a secure platform for transferring fund and data. Blockchain stores data as a series of blocks. It comes as an excellent option to a conventional database, which is owned by companies that have access to the data.  

Some Ways Blockchain is Changing the World

Decentralized computing:

Decentralization technology enables assets to be stored in a network of computers accessed through the Internet. An asset can mean a gaming token, a show ticket, an authorship claim on a book, or a digital currency like Bitcoin. By decentralization technology, the administrator of an asset has close control via their password, which is instantly linked to the asset. No individual can reach it without consent and no one can halt you when you want to transfer the asset. 


Several startups produce white papers concerning their remarkable innovation or usage of blockchain technology, and normally include the greater universal question: “How this will change things?”

Many of the research emphasizes the major areas of change:

  • Infrastructure for cross-border activities
  • Digital assets as a class
  • Governance and businesses
  • Administrative reporting and compliance
  • Accounting and auditing
  • Clearance and Settlement

Smart contracts:

Smart contracts are computer programs collected in a blockchain. They can be utilized to automate the unstoppable shift of crypto-tokens within users, according to agreed-upon conditions. An oracle is a real-time data provisions which present things like weather info, currency market rates, airline flight info, and sports statistics to smart contracts.

Smart contracts require steady access to real-world data. Without that, they are “like a city without electricity,” The core component is a program that runs inside an isolated piece of hardware called a secure enclave. 

The enclave’s function is to protect the program from malicious attacks and keep the computation confidential. It receives queries for data from smart contracts—for instance, a flight insurance contract may query whether a flight was canceled—and then it retrieves answers from websites and relays them back to the blockchain. 


The truth remains that technology is growing at an astonishingly fast pace. Even these possible applications of blockchain in terms of online advertisement would have been unimaginable quite a few short years ago. And still, here we are.

So while we’re yet in the initial days of a digital advertising revolution, the future blockchain is aiming toward is one we’ll all need to live in.


First, an individual decentralized blockchain database can be reached by accredited people – whether healthcare providers, patients, or insurance carriers, – anyplace, at any time, and in a form that all people can work with.

An added benefit to such a system would be a shift in control. Tel Aviv-based Proof Work has launched an idea that would establish the ability to distribute medical data in the hands of patients, preferably than medical providers.

Second, blockchain technology permits for security measures that are unavailable through other digital sharing techniques, making privacy matters simpler to address.

Finally, blockchain technology diminishes the number of intermediaries that manage each input and maintains perpetual, time-stamped reports of each transaction, which decreases the possibility for error, while concurrently fulfilling a high level of transparency and security.

Fitness Tracking:

In addition to using blockchain technology to enhance healthcare providers' potency, some firms are speculating that adding fitness and nutrition factors to the equation will give sufferers an extra holistic aspect of their development toward health goals.

Nokia has a navigator program in the efforts to store volunteer members' health data, such as levels and hours of sleep, in a blockchain database to examine the technology's potential for gathering real-time health data.

According to Nokia, the objective of their navigator is to "explore new possibilities in the increasing field of Digital Health, with the aim of giving people extra control over their own health data – how it is shared, who can access it, and how it can be applied – with a focus on privacy and protection offered by blockchain technologies."

Another new blockchain-based principles, MintHealth, offers token incentives to assist associates to make healthy choices; the tokens may later be applied to pay for healthcare-related debts, such as health insurance premiums, co-pays, and medicines.

Education Records:

It's not merely the healthcare industry that attains to be transformed by blockchain technology.

By utilizing technology that makes mutual use of educational achievements and activity reports in an accessible and secured way, this reliable system incorporates the administration of data from various educational institutions and makes it feasible to record and reference institutional data and digital transcripts.

Such a scheme could enable teachers and students to obtain relevant data while preserving privacy. It could also present consequent educational organizations and potential employers a clear, reliable location to receive applicant credentials.

In addition to housing education records, Sony suggested that AI analysis of data in such a platform could be applied by educational institutions "to provide proposed enhancements to educational foundations' curriculums and administration.


We have barely scraped the surface of blockchain technology's potential. It won't be long before innovators in enterprises besides those mentioned before explore new and unique ideas to tap into the potential that has to be presumed.

If you're recognizing the advantages blockchain technology could bring your career, we support you to contact us about our Blockchain Training. We have been training blockchain technology since its inception, and have practical, real-world expertise with its implementation.


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