A Beginner's Guide to Blockchain and Its Uses

Justin Seidl
October 20, 2022
minute read


Like most people, you've probably heard of blockchain technology but don't really know what it is. Don't worry; you're not alone. Blockchain is a comparatively new technology that is still somewhat shrouded in mystery. This article will break down blockchain technology and explain how it works. We'll also discuss some of the opportunities, complications, and benefits of blockchain technology and how it can revolutionize the way we do business.

Key Features of Blockchain

So, what is blockchain technology? A blockchain is a distributed database that creates secure, transparent, and tamper-proof transactions. Every transaction is added to the blockchain in blocks, which are then verified by network nodes. Once a block is corroborated, it cannot be changed or deleted. This confirmation step ensures that the blockchain is always up-to-date and accurate.

One of the key benefits of blockchain technology is that it is secure and tamper-proof. In addition, as mentioned, many network nodes verify transactions, so it is virtually impossible to hack or alter the blockchain. This verification process makes blockchain an excellent choice for businesses that need a secure way to conduct transactions.

Another advantage of blockchain is its transparency. Every blockchain transaction is visible to everyone. This visibility means that businesses can conduct transactions with transparency and trust.

Finally, blockchain technology is decentralized, which means no single point of failure. If one node goes down, the blockchain will continue to function normally. This robust consistency makes blockchain a great choice for businesses that need a reliable and secure way to conduct transactions.

Blockchains vs Traditional Databases

A blockchain is a permanent ledger or record of all the transactions that have been made on it. Each transaction is written as a "block" and added to the ledger in a linear, chronological order. This chain operation allows for transparency and immutability -- once a block is added to the chain, it cannot be edited or removed. In contrast, traditional databases are centralized, meaning a single control point. This consolidated means of control leaves them vulnerable to fraud and manipulation. Blockchain's decentralized nature makes it much more secure.

Additionally, blockchain technology can be used to create "smart contracts." These are contracts that self-execute and self-enforce based on certain conditions being met. This autonomy could potentially revolutionize many industries by increasing efficiency and eliminating the need for intermediaries. Overall, blockchain is a powerful new tool that can revolutionize how we do business.

Smart Contracts

As mentioned, a blockchain smart contract is a digital contract stored on a blockchain. It is a self-executing contract that automatically executes the terms of the contract or predetermined agreement when certain conditions are met. For example, if two parties agree to buy and sell a product for a specific price, the smart contract can be programmed to perform the sale when the product is delivered. Similarly, a smart contract can be used to automate the financial terms of a loan, such as interest payments and final repayment. By using a blockchain, smart contracts provide a secure and tamper-proof way to enforce the terms of an agreement.

Blockchain and Cryptocurrency

Blockchain is a digital recording of all the transactions that happen when people use cryptocurrency. It keeps getting larger if you add new records to the completed blocks. Blockchain is called a "chain" because each new block includes a cryptographic hash of the block before it, a time stamp, and the transaction data. Some cryptocurrency examples include: 

  • Bitcoin nodes use the blockchain to differentiate legitimate Bitcoin transactions from attempts to re-spend coins that have already been spent elsewhere.
  • Ethereum nodes utilize the blockchain to distinguish between each other's status of smart contracts, thus allowing them to reach a consensus without a centralized source of truth. 
  • Litecoin nodes use the blockchain to differentiate legitimate changes in Litecoin ownership from attempts to double-spend or reverse already completed transactions. 

The Benefits of Using Blockchain

Blockchain technology offers many potential advantages for businesses and individuals. Perhaps most importantly, it can provide a high level of security. Transactions recorded on a blockchain are incredibly complicated to alter, making it an ideal way to protect sensitive data.

In addition, blockchain technology can help to streamline processes and reduce costs. For example, due to its decentralized nature, blockchain can be used to facilitate peer-to-peer transactions without the need for a third party. As a result, businesses that adopt blockchain technology can enjoy increased efficiency and reduced overhead costs.

Finally, blockchain is also highly transparent, which can be beneficial for ensuring accountability and preventing fraud. Overall, blockchain offers several potential advantages that make it an appealing option for businesses.


Although many people associate blockchain technology with Bitcoin and other cryptocurrencies, the potential applications of this technology are far broader. As mentioned, a blockchain is a decentralized database that is maintained by a network of computers. This makes it an ideal platform for storing and managing data that must be secure and transparent. For instance, blockchain technology can be used to create tamper-proof records of financial transactions, land titles, or voting results.

Additionally, because a single entity does not control blockchain databases, they have the potential to disrupt traditional business models that rely on centralization. More innovative uses for blockchain will likely be discovered as this technology evolves.

What industries might be changed by the use of blockchain technology?

Blockchain is a distributed database that provides tamper-proof, secure data storage. Many businesses are looking for ways to make their businesses more secure and save money, so this safety mechanism is good for them. Blockchain technology is likely to change a lot of things in the future, so here are a few: 

  • Banking and financial services: Blockchain could revolutionize the banking industry by making transactions more secure and efficient. For example, banks could use blockchain to streamline the process of clearing and settling payments. 
  • Supply chain management: Blockchain could help businesses track goods as they move through the supply chain. This would improve transparency and make identifying errors or counterfeit products easier. 
  • Healthcare: Blockchain could be used to store and share medical records securely. This would allow patients to access their records from any location, and it would help prevent data breaches. 
  • Government: Blockchain could be used to create tamper-proof voting systems or to manage digital identities. 
Are there any risks associated with using blockchain technology?

Blockchain systems are still in the early stages, so there are some risks when people use them. Security and hacking are two of the most significant issues people have to deal with. Because blockchain technology is decentralized, it is difficult to track down the source of a hack or security breach. In addition, those who store their data on a blockchain could lose money because of this. Additionally, the value of cryptocurrencies is highly volatile, and investors could lose a significant amount of money if the value of the currency they hold suddenly drops. Finally, blockchain technology is often used to anonymously buy and sell goods and services, which could lead to increased criminal activity. Despite these risks, many experts believe that the potential benefits of blockchain technology outweigh the risks.

The Future

While the full potential of blockchain technology is still unknown, it has the potential to revolutionize a wide range of industries. For example, by providing a secure and transparent way to store data, blockchain could help to reduce fraud in the banking sector. In addition, blockchain-based smart contracts could one day be used to streamline supply chain management and enable automated transactions. As a result, blockchain technology will likely become more prevalent as the world becomes increasingly digitized. And as new use cases are discovered, the potential applications of blockchain will only continue to grow.


Blockchain technology is a safe way to store data that could affect many industries. While there are some risks associated with its use, the benefits of blockchain technology are likely to outweigh the risks in the long run. As this technology continues to evolve, it will significantly impact business and the world economy.

Certain content has been prepared by third parties not affiliated with American Trade Exchange Inc dba Sequoir or any of its affiliates and Sequoir is not responsible for such content. Sequoir is not liable for any errors or delays in content, or for any actions taken in reliance on any content. Information is provided for informational purposes only and is not investment advice. This is not a recommendation to buy or sell a particular digital asset or to employ a particular investment strategy. Sequoir makes no representation on the accuracy, suitability, or validity of any information provided or for a particular asset. Prices shown are for illustrative purposes only. Actual cryptocurrency prices and associated stats may vary. Data presented may reflect assets traded on select cryptocurrency exchanges.

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