Areas of blockchain application: practical use technologies – Yevhen Kasyanenko’s perspective

Blockchain is not a fad, but a tool. It helps make processes faster, more transparent, and more reliable. And no, you don’t have to be a programmer to understand how to use it effectively.

In this article, together with our expert Yevhen Kasyanenko, we will talk about where blockchain is already being used, why businesses need it, and why it is better to understand it now, before competitors get ahead.

How does blockchain work and why is it changing industries?

“Blockchain is essentially a chain of records, where each record remains in the general list forever and cannot be deleted or changed. Everything is transparent, every transaction is visible, and at the same time, it is very reliably protected from unauthorized access,” explains our expert Yevhen Kasyanenko.

Simply put, blockchain is like a shared notebook where all actions are recorded in turn. Entries cannot be torn out, smudged, or rewritten retroactively. What’s more, everyone has this notebook: each person has their own copy, and all copies are identical. It is simply impossible to try to “tweak” something secretly, because the system will immediately notice the trick. Each action is like a line in a journal: it is entered, recorded, and that’s it.

This is what creates trust: no one hides anything, nothing is lost, and everyone sees the same thing.

Thanks to this approach, blockchain is already being used in areas where there used to be a lot of “human factor”: logistics, medicine, financial transactions, gaming, and document management. The technology helps to bring order and create an environment where you don’t have to “take someone’s word for it” — everything is confirmed by mathematics and code.

How does it all work in practice? Blockchain is based on several key principles that make it so reliable and useful:

• Cryptographic protection. All records are linked together like links in a chain. It is impossible to delete or alter anything in the middle; the chain will immediately “sense” that something is wrong with it.
• Transparency. Any operation can be verified: transactions, transfers, agreements. Everything is visible, with no hidden edits or “dark areas.” At the same time, your personal data is safe.
• No intermediaries. Need a transfer, contract, or transaction? It can be done directly, without notaries, banks, or other “supervisors,” which is both faster and cheaper.
• Decentralization. Blockchain is not stored on a single server. It is distributed across multiple computers. This means that it is resistant to failures, attacks, and attempts to “break the system.”
• Smart contracts. These are like built-in robot lawyers. They automatically fulfill the terms of the transaction: if it is specified that the goods have arrived, the money is transferred. No manual control or human factor.

“The future belongs to technologies that do more at a lower cost. Blockchain is just that. It takes over the routine tasks that used to take hours of manual input, verification, and error correction. Everything happens automatically and transparently: fewer failures, more order. As a result, the company saves time, money, and nerves,” notes our specialist.

Finance and digital payments: where the practical application of blockchain technology began

Blockchain was originally invented for recording Bitcoin transactions in a simple and secure way. But over time, it became clear that the technology was much more powerful. Now it is being implemented everywhere, from banking and logistics to medicine and gaming. Blockchain helps make processes faster, more transparent, and more secure—where money, data, and trust are at stake.

Here’s how this technology is already changing the financial sector:

• Payments without intermediaries, but directly, for example, through RippleNet and JP Morgan Coin.
• Credit and income without the involvement of banks, which decentralizes finance, such as the Aave and Compound platforms.
• Money is becoming digital, as in China with the digital yuan.
• Assets are being tokenized: apartments, goods, stocks—now they can be digitized and sold through a smart contract.
• No more fraud—all transactions are recorded in a single registry and cannot be falsified.

“The role of blockchain will only grow, and the most important thing is education. Entrepreneurs need to understand how it all works so they don’t fall behind and can use the technology to benefit their business,” warns Yevhen Kasyanenko about the importance of the technology.

Government initiatives: digital identification and voting

Blockchain is the main assistant in the digital transformation of public services. It reduces bureaucracy, strengthens data protection, and eliminates fraud.

Blockchain in digital governance

More specifically, when it comes to the digital world associated with governments, blockchain has found specific applications here:

• Electronic passport. Identification via blockchain protects against data theft and simplifies access to government services and banking operations.

• Voting. Blockchain is capable of recording every vote, eliminating ballot fraud and ensuring that election results are fair and transparent.

• Real estate registry. Thanks to fast data processing and secure networks, real estate purchase, sale, and investment transactions are safer, faster, and more profitable.

“Blockchain is already helping to simplify bureaucracy: less paperwork, faster processes, and government services are becoming more transparent and understandable. If we look a little further ahead, we can imagine that over time all this will turn into a single automated system without unnecessary intermediaries,” adds Yevhen Kasyanenko.

The use of blockchain in logistics: supply chain control

In logistics, blockchain acts as a reliable controller: it monitors goods, deliveries, movements, and all registration so that nothing is lost and everything goes according to plan. Here’s how it works:

• Every step is recorded in the blockchain. The information cannot be deleted or falsified; it is recorded once and for all. Where the goods were, who transported them, and under what conditions—all of this is visible.
• You can track the path of goods in a couple of clicks. Want to make sure that the coffee is really from Colombia and the watch is not a fake? The entire history is before your eyes: from production to the store.
• Smart contracts automate the process. Automatic delivery control: deadlines, storage conditions, payment—it all works automatically as soon as the necessary conditions are met. This reduces the risk of delays and errors.

Healthcare: patient data protection and drug control

In medicine, blockchain reliably protects data, prevents it from falling into the wrong hands, and eliminates any counterfeiting. The technology can be used for:

• storing personal medical records;
• tracking drugs and their authenticity;
• protecting the privacy of patients’ personal data.

This is how blockchain helps make medicine safer, more transparent, and more reliable for patients and doctors.

Cybersecurity: protecting data and digital property

With the transition to the digital world, the risk of cyberattacks and hacks is increasing. But blockchain has serious technological capabilities to prevent leaks or information substitution.

These include:

• decentralization, which contributes to resistance to hacker attacks;
• dual and flexible data encryption, which minimizes fraudulent attacks;
• physical systems with remote access, which ensure the security of IoT devices.

All of these together make blockchain a reliable protection in the digital world and help keep your data safe.

Digital property and NFTs: a new era of asset ownership

Blockchain is completely changing the game with digital rights. Asset ownership becomes secure and accessible for monetization. For example, creative professionals (artists, musicians) or investors can control their tokens directly—without banks or notaries. Yes, infrastructure players (developers, oracles, marketplaces) remain in the ecosystem, but control is increasingly returning to the owners. Here’s how it works:

• NFTs and tokenization guarantee ownership. Digital art, music, real estate, etc. are now real assets with proven ownership rights. Counterfeiting and loss are impossible.
• Automatic royalties – income for years to come. Every time your work is resold, you automatically receive your percentage, without lawyers or bureaucracy.
• Legal protection in the blockchain. All information about the owner and rights is recorded in a chain that cannot be forged or stolen.
• Easy and secure transfer. Selling, exchanging, or bequeathing a digital asset is now quick and easy, without tons of paperwork and notaries.
• A global market without borders. Non-fungible tokens and other digital assets are traded around the world, opening up new opportunities for investment and collecting.

“Thanks to blockchain, digital property has finally become something real. It can be safely stored, sold, transferred, used… These are no longer just files on the internet, but full-fledged assets — from digital art to shares in real estate,”says our expert.

Blockchain in the gaming industry: GameFi and Play-to-Earn

Blockchain is really changing the rules of the game for gamers. Now you can not only enjoy the process, but also earn money from your gaming activities and achievements:

• The items in the game are yours, not the developers’. Want to sell your cool sword or change your skin? No problem! You can even use them in other games, if possible.
• There are special platforms (marketplaces) where people trade game items. There, you can buy or sell something rare for crypto, just like in a real market.
• The “play-to-earn” game is a new trend. Players receive tokens and NFTs directly in the game, which can then be converted into money or something valuable.

In general, blockchain makes the game not just entertainment, but a real way to earn extra money.

Why is it important to implement blockchain with professionals?

Blockchain is a cool technology with many advantages. But without experience and proper configuration, implementing it is risky: mistakes can lead to data loss and weak security.

Our KISS team, led by Yevhen Kasyanenko, offers the best blockchain solutions for any industry. We provide a wide range of services, including:

• Developing a system for a specific task.
• Configuration and testing.
• Data encryption.
• Integrating blockchain into existing business processes.
• Consulting and support.
• Employee training.

At KISS, we’ve been on familiar terms with blockchain for a long time. We help businesses with turnkey solutions: from idea and configuration to team training. Everything is explained in plain language, without unnecessary techno-magic. We only implement what really works and brings results. Not just “for the sake of it,” but to help.

Conclusion: the future of blockchain in different areas

Blockchain is no longer a fantasy from IT news. It really works: it simplifies finances, protects medical data, helps track parcels, and makes business more transparent.

Those who start using blockchain now get a head start: less paperwork, lower costs, and more trust from customers.

If you want to keep up with the times, now is the time to figure out how this technology can be useful to you. It only seems complicated at first glance; in reality, everything is much clearer than it seems. And it’s definitely worth it. Contact us now to find out how blockchain can help your business!