5 Blockchain Applications That Could Change Society Forever

Global communication network around planet Earth in space, worldwide exchange of information by internet and connected satellites for finance, cryptocurrency or IoT technology

When most people think about the term “blockchain” their minds immediately go to cryptocurrency and bitcoin, but in reality, there are many different blockchain applications. As this technology continues to gain traction, it’s myriad uses will be used to solve and improve upon many institutions in our society from voting, to real estate, and electronic gadgets. So what is the blockchain exactly?

The Blockchain Explained

The concept of money is based on trust, or faith, in the system. We’ve all agreed that a centralized authority, in this case the government, will maintain stability in regulating money so it can be used as a tool for trade. The same goes with contracts upheld by law; a centralized institution is an arbiter that will make sure the terms of your contract are upheld. But with blockchain technology, that power can be distributed throughout many disparate entities, rather than one centralized authority, making it so that one entity can’t have all the regulatory power. 

The blockchain, also called distributed ledger technology, is essentially a digital database managed by a decentralized system, consisting of a number of different computers, in lieu of a single centralized server. These different computers are referred to as nodes and all of them are connected in a randomized way.

As new information is put into the system, these nodes create a chronological ledger of that information that is agreed upon by the entire network. When new information is entered, it goes to one or several nodes that are then shared with the whole system. It also prevents a single node from censoring any information as the rest of the nodes would simply bypass any single node.

After a set of information is agreed upon by the whole network, it is grouped into a block and given a cryptographic signature. This signature is encrypted and secure, linking to the previous block and allowing for the next set of information to be put into a subsequent block in the same process. If a node changes information in a block with one of these signatures, every node would see that the block has been tampered with and would then invalidate that block as well as all subsequent signatures.

This type of consensus means that in order to tamper or manipulate the data, one would need to manipulate every node in a blockchain encryption system. So, the more you increase the number of nodes in the system, the more and more difficult it would become to manipulate the data. In a centralized system, one need only hack into a single computer database, rather than hundreds or thousands.


blockchain explained

Blockchain Smart Contracts

Smart contracts are essentially an agreement between two parties that are written into code and then verified and agreed upon through distribution across a blockchain system. Once it’s been agreed upon in the blockchain it’s irreversible, transparent, and can be clearly traced. This prevents any single party from changing or manipulating the contract as all other parties in the blockchain would have a historical record of the contract and prevent it.

Once the rules of the smart contract are established, it is verified by the blockchain automatically. This is especially beneficial to financial transactions involving a number of parties that would normally have to go through a complicated and time-consuming process with a centralized organization.

The use of blockchain technology for smart contracts can cut down on costs associated with drawing up and verifying contracts, i.e. lawyer and bank fees. Online platforms have been developed to facilitate these contracts and have been estimated to cut costs by as much as 40 percent.

Blockchain for Voting

When it comes to voting, using the blockchain has a number of benefits. Creating a blockchain database for votes would ensure that tallies couldn’t been manipulated and that votes for candidates would be confirmed by a consensus of nodes in the system.

The blockchain could allow for digital voting from any location that has access to the internet. This concept could also be used to confirm that voters are who they say they are, eliminating voter fraud. At the same time, we wouldn’t have to wait in line for hours or leave work on Tuesday, wasting productivity. It could also help eliminate voter discrimination that disproportionately affects poor and minority voters. So how do we implement this?

This would work by creating a smart contract to represent each vote. Once that contract is validated on election day, the voter would sign the contract with a cryptographic signature, entering it into the ledger that tallies all the votes. A voter’s identity would be determined based on a unique, secure key like those used for cryptocurrency wallets and then masked from the group so that no one could see how you voted. One group has already developed an app with this concept.


blockchain applications


A non-profit organization, called Democracy Earth, has started to test the use of the blockchain as a voting tool. By using vote tokens like cryptocurrency coins, the blockchain can verify votes that are cast, while also adding a time signature to show when exactly they were cast.

One tool Democracy Earth is testing involves liquid democracy, a concept in which voters are able to vote on an issue directly (direct democracy) or give their vote to someone they believe will best represent their interests, like a friend or colleague one trusts who might have more knowledge on certain issues. This ideally creates a shared understanding and greater voter turnout on all issues, and it would be facilitated and secured through the blockchain.

Blockchain for Real Estate

Blockchain technology has the ability to expedite real estate transactions in a number of ways. One application would be for property title transfers. Instead of having to wait for a third party to secure and verify a title transfer, a blockchain encryption database could do it, cutting time and costs.

This could lead to the storage of all property related materials on the blockchain allowing for deeds, property records, surveys, etc. stored securely and digitally. This would cut the hassle of having to go through brokers, insurance agencies, banks and other institutions, or at least minimize dealings with them.

The amount of time and money that blockchain for real estate transactions will save for business and personal sales could be pretty substantial, and several different companies have started to facilitate this.

Blockchain IoT

The Internet of Things (IoT) refers to the way that all of our electronic devices are smart, or connected to the internet and each other. Our devices are becoming smarter and increasingly more convenient; they can accomplish more and more tasks for us while demanding less and less of our attention or input. However, this also comes with risk, as personal information can be divulged and privacy can be invaded.

With the blockchain, a record of how our devices are communicating can be entered into a distributed ledger so that we can monitor their behavior and make sure that they’re acting in a secure manner.

Not only can this prevent tampering with our devices from outside parties, but it also gives users piece of mind and trust that their devices aren’t sending information to non-secure sources.

But the IoT extends beyond just personal electronic devices. IoT has become relevant in a business and industrial sense when it comes to smart buildings whose energy consumption is managed by IoT devices. Using blockchain encryption to record and monitor energy use in buildings can provide insight and security from tampering.


blockchain IoT


Blockchain Healthcare

By now, you can probably guess how the blockchain could benefit the healthcare industry by storing medical records and patients’ information on decentralized system that is easily accessible and secure. But it can also be used to track less obvious information like prescription drugs that are sold and distributed to doctors and patients.

Another application for blockchain healthcare has been seen through companies like Robomed. By using a distributed network, Robomed finds the most effective clinical pathway for a patient based on their needs. This allows for a focus on the outcome of treatments rather than the number of procedures to get there by using smart contracts to find a medical consensus of treatment. According to the company it eliminates the need for patients to worry about getting a better doctor, or feeling the need to get a second opinion. A consensus on a patient’s needs is already available within the company’s blockchain distributed network.

Another company, SimplyVital health, has used the blockchain as a tool to upload patient records onto their platform in order to allow that patient’s multiple healthcare providers easy access to who their seeing, what treatment they’re getting and how much it’s costing them, in order to help them reduce costs, while coordinating doctor visits and treatments.

Although the prices of cryptocurrencies are in constant, volatile flux, the seemingly endless uses for blockchain technology will continue to thrive and offer applications for a number of industries. It seems that traditional paradigms of security, information sharing, contracts, and money are about to change dramatically. It will be interesting to see what the next big blockchain applications will be to disrupt traditional industries.

New Zealand Gives Maori Volcano Human Rights

In a move to honor its indigenous people and provide retribution for colonialist oppression, New Zealand is giving human rights to a Māori volcano on the country’s North Island. Mount Taranaki will now be afforded all the legal rights of a person and is the country’s third natural feature to be given this designation.

After Lonely Planet – the largest travel guide publisher in the world – named Mount Taranaki the second-best location to visit, officials in New Zealand decided to protect the dormant volcano in a way that honored their native people. The mountain’s entitlement comes after the country gave the same human rights protection to the Whanganui River earlier in 2017.

Mount Taranaki is a 120,000-year-old volcano that is New Zealand’s most frequently hiked mountain. Its new designation would make punishment for anyone who harms the mountain tantamount to harming a member of the Māori people. The local tribes will work in conjunction with New Zealand government to maintain the sacred feature and ensure its protection.



Māori natives hold the volcano to the same esteem as one of their own family members, or whanau, and consider it to be an ancestor. In Māori philosophy, humans are considered to be part of the universe and, rather than domineering the natural world, they consider humanity to be an extension of it like any other feature.

This seems to mirror the ideas of shamanism and many indigenous tribes whose spirituality and religion is based on the ideology of animism, the belief that all material things have a spirit. It is common for indigenous tribes and shamans to explain that all they know about our world came from conversations with plants, trees, and nature.

In western society, we give human rights to corporations in much the same way. Corporate personhood gives these entities names, legal rights, and the ability to spend money in political campaigns, all while remaining entirely separate from the individuals who work there. If we think this makes sense to provide privileges to what is essentially an immaterial concept, then it makes perfect sense that natural features should be given personhood with legal protections.

New Zealand is setting a precedent for the world to follow, and it’s doing it while acknowledging to its indigenous people that imperialism from the 19th century demands retribution. The act is part of an apology particularly for the British Crown’s lack of enforcement of the Treaty of Waitangi – a pact between the Māori and British government originally intended to protect native rights.

Could New Zealand’s example lead to similar actions in other nations with histories of oppression against native people? In the U.S. reparations are rarely made to Native American groups, while indigenous land and protections continue to diminish.

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