Why Is Blockchain Important And Why Does It Matters

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Brave is a compromise – browsers can elect to block ads on websites and instead earn money for viewing ads which are based on their own preferences. The user gets a better experience while the advertiser reaches a targeted audience. Transparency – data is embedded within the network as a whole, by definition it is public. Whether you are or not you’ve probably heard of it and other cryptocurrencies that have been gathering a following. The technology behind these is nothing short of a revolution for how business can be done. Many large banks are now spending money either collaborating with existing crypto clients or developing their own cryptocurrency .

Blockchain’s underlying security and encryption model is a sound one. The Tyrol government also plans to expand functionality to vet applications for telco companies that want to set up new towers in the Dolomites, a UNESCO protected site. Blockchain will then be used to trace workflows that show they’ve hired the right experts and environmental agencies to show that their equipment will not impact the environment. Bumble Bee Seafood is a business using blockchain to prove the origin of yellowfin tuna caught by local fishers in Indonesia.

What’s Next For Blockchain?

“You’re going to start seeing open-source, self-executing contracts gradually improve over time. What the Internet did to publishing, blockchain will do to about 160 different industries. It’s crazy.” Think about how connected devices enable mobile payments without traditional credit card swiping at the point of sale. Instead of swiping your card at a terminal, you touch a thumb to your iPhone to use Apple Pay. Private blockchains use blockchain-based application development platforms such as Ethereum or blockchain-as-a-service platforms such as those offered by Microsoft and IBM, running on private cloud infrastructure. These issues all stemmed from vulnerabilities in systems connected to the blockchain, not within the blockchain itself.


Database hacks have exposed names, Social Security numbers, birthdates, addresses, and driver’s license numbers of millions of Americans, such as the 2017 Equifax database breach. Booz Allen Hamilton wrote that blockchain data structures harden network security by reducing single-point-of-failure risk, making a database breach difficult. Financial institutions are exploring how they could also use blockchain technology to upend everything from clearing and settlement to insurance. In blockchain’s decentralised system, there is no single owner of information — it’s shared across, and owned by, the network. In this example from Blockgeeks, Alice is able to transfer money directly to Bob without having to go via a bank. Blockchain network operators.Individuals who have special permissions and authority to define, create, manage, and monitor the blockchain network.

Five Important Blockchain Benefits

Because the blockchain verifies each transaction through PoW, this means no trust is required between participants in a transaction. A P2P network of Bitcoin “miners” generates PoW as they hash blocks together, verifying transactions that then go into the ledger. Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”), its network of member firms, and their related entities.

To see how a bank differs from blockchain, let’s compare the banking system to Bitcoin’s implementation of blockchain. The goal of blockchain is to allow digital information to be recorded and distributed, but not edited. Blockchain technology was first outlined in 1991 by Stuart Haber and W. Scott Stornetta, two researchers who wanted to implement a system where document timestamps could not be tampered with. But it wasn’t until almost two decades later, with the launch of Bitcoin in January 2009, that blockchain had its first real-world application.

A blockchain-based process can facilitate third-party oversight of transactions and provide greater objectivity and uniformity through automated contracts. There also would be more transparency and accountability of transactions and participants. WEF wrote that the easier it is to access and use the blockchain platform, the more vulnerable it is to abuse. Further, if offline transactions continue outside of the blockchain platform, its anti-corruption potential will be limited.

As discussed above, this could be in the form of transactions, votes in an election, product inventories, state identifications, deeds to homes, and much more. After a block has been added to the end of the blockchain, it is very difficult to go back and alter the contents of the block unless the majority reached a consensus to do so. That’s because each block contains its own hash, along with the hash of the block before it, as well as the previously mentioned time stamp. Hash codes are created by a math function that turns digital information into a string of numbers and letters. If that information is edited in any way, the hash code changes as well.

  • As mentioned earlier, blockchain is a way for some countries to increase efficiency in land title registries.
  • Additionally, many blockchain-based solutions need support from other systems and processes to verify that the data being added on the blockchain is accurate.
  • This also means that there is no real authority on who controls Bitcoin’s code or how it is edited.
  • This should all but eliminate any kind of operator tampering or revisions.

“There is still a question about who will address breaches in trust and protocols,” Menting said. Leaders across multiple industries are exploring and implementing blockchain-based systems to solve intractable problems and improve longstanding cumbersome practices. Field cited the use of blockchain to verify the information on job applicants’ resumes as an example of such innovation. Studies consistently have shown that a strong percentage of people falsify their resumes, leaving hiring managers with the time-consuming task of manually verifying the information. Supply Chain lacks transparency, accurate asset tracking, and enhanced licensing.

What Are The Benefits Of Blockchain Technology?

Julius Mansa is a CFO consultant, finance and accounting professor, investor, and U.S. Department of State Fulbright research awardee in the field of financial technology. He educates business students on topics in accounting and corporate finance. Outside of academia, Julius is a CFO consultant and financial business partner for companies that need strategic and senior-level advisory services that help grow their companies and become more profitable.

In North Carolina, the chamber’s efforts helped pass the North Carolina Money Transmitter Act in July 2016, which updates the state’s existing laws to include a defined “virtual currency.” “Everledger takes a diamond or a piece of art and hashes it to the blockchain,” said MIT’s Forde. “For something like a diamond ring, Everledger takes an image of it—like a unique diamond fingerprint—which can then be scanned against the blockchain to verify it’s the same one.” The concept of immutability is maybe the most crucial to understand when trying to wrap your head around blockchain and why it’s important. An object that once created can never be changed has infinite value in our editable, ephemeral digital world.


Blocks record and confirm the time and sequence of transactions, which are then logged into the blockchain, within a discrete network governed by rules agreed to by the network participants. Within the consumer products and manufacturing industry, 42 percent of respondents said they’re planning to invest $5 million or more in 2017, compared to 27 percent in the media and telecoms industry, and 23 percent in financial services. Put together, 30 percent of consumer manufacturing and media/telco industry respondents said their companies have already deployed blockchain into production. More interesting is what Medical Genomics is doing on the science side of the potchain. The life sciences company is mapping and sequencing the DNA of different cannabis strains, then storing and registering that info on the Bitcoin blockchain.

Blockchain could reduce the number of actors and managers, could streamline the process, and improve verification. WEF said a limitation would be among the less technologically savvy who might be excluded from grant disbursement processes. Get up to speed on blockchain — See the innovative uses of blockchain already being implemented by financial institutions and find an overview of the challenges and opportunities that blockchain presents for the industry. A public blockchain is at it sounds Anyone can join the blockchain, as long as they have a ‘wallet’ that enables them to receive, send and store data.

Experts pointed to the savings that financial institutions see when using blockchain, explaining that blockchain’s ability to streamline clearing and settlement translate directly into process cost savings. More broadly, blockchain helps businesses cut costs by eliminating middlemen — vendors and third-party providers — that have traditionally provided the processing that blockchain can do. By spreading its operations across a network of computers, blockchain allows Bitcoin and other cryptocurrencies to operate without the need for a central authority.

The website allowed users to browse the website without being tracked using the Tor browser and make illegal purchases in Bitcoin or other cryptocurrencies. It gives anyone access to financial accounts but also allows criminals to more easily transact. Many have argued that the good uses of crypto, like banking the unbanked world, outweigh the bad uses of cryptocurrency, especially when most illegal activity is still accomplished through untraceable cash.

What is blockchain and why do we need it?

Blockchain is a technology to create and maintain a cryptographically secure, shared, and distributed ledger (a database) for transactions. Blockchain brings trust, accountability, and transparency to digital transactions. … Transactions are encrypted before they are stored and shared.

The removal of intermediaries is a boon for business as it not only reduces cost but also reduces the point of contact — improving efficiency and growth. The global blockchain market improvement to $20+ billion in 2023 is another sign of how rapidly businesses are adopting blockchain, as per this blockchain presentation. Lastly, improved efficiency is another answer to why blockchain is important. The cause is better security, intermediary removal, and overall better processes. Transactions also take seconds rather than a week to complete, especially international transactions. A digital copy is a duplicate record of every Bitcoin transaction that has taken place over a peer-to-peer network.


One good example is that of blockchain being used as a way to vote in democratic elections. The nature of blockchain’s immutability means that fraudulent voting would become far more difficult to occur. Due to the size of Bitcoin’s network and how fast it is growing, the cost to pull off such a feat would probably be insurmountable. Not only would this be extremely expensive, but it would also likely be fruitless. Doing such a thing would not go unnoticed, as network members would see such drastic alterations to the blockchain. The network members would then fork off to a new version of the chain that has not been affected.


Anna Khanenko


Anna Khanenko is a professional cryptocurrency investor, business and mutual fund analyst. In this blog she publishes the most important information from her financial analytics experience.

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