Features of Blockchain Technology

Blog / Digitalization and Blockchain Technology

In today's digital world, technology continues to advance at a rapid pace, particularly during the ongoing pandemic. Financial institutions are investing in technological infrastructure, such as blockchain, to make their actions digital, secure, and efficient. This investment is primarily intended to enhance security, simplify reporting to top organizations, and combat money laundering by monitoring transactions.

Initially, some people were skeptical about blockchain technology, but it has since been widely adopted by many financial and other organizations. One of the most suitable uses of this technology is currently for KYC/AML compliance, and it holds great potential for the future. The future looks promising with the stimulating ideas that this technology brings to the table.

Due to anonymity it offers, blockchain technology has seen rapid global expansion and faces difficulty of compliance

What is the Blockchain Technology 

Blockchain technology is a revolutionary concept that extends beyond traditional database systems. While a database stores electronic information in a tabular form, a blockchain represents a decentralized and transparent ledger of transactions. Unlike conventional databases designed for simultaneous and efficient user access, blockchain offers an innovative approach to information management.

In the realm of large-scale databases, powerful computer servers comprising thousands of interconnected computers facilitate seamless data processing. These robust servers are essential to accommodate the needs of numerous users accessing and storing data concurrently. Although many individuals can access these databases, it is primarily companies that harness this technology and possess the capability to autonomously manage their data.

However, blockchain goes beyond conventional database functionalities. It serves as a specialized database specifically designed to store financial transactions securely and immutably. With its distributed and decentralized nature, blockchain technology introduces a fresh perspective to the banking system, enabling transparency, accountability, and enhanced security in transactional processes. 

Some of the main features of blockchain technology; 


Blockchain technology's most fundamental and remarkable characteristic is its decentralized nature. Unlike traditional banking systems that rely on centralized authorities, Blockchain operates on a distributed network where no single intermediary institution controls transactions. This decentralized architecture ensures that transactions can occur directly between parties, eliminating the need for intermediaries and empowering individuals to have full control over their assets.


One of the key advantages of Blockchain technology is its inherent transparency. Every transaction conducted on the Blockchain is recorded in a public ledger, visible to all participants. This transparency allows anyone to view the transaction details, including the amount, timestamp, and the parties involved. By enabling such transparency, Blockchain enhances accountability and facilitates auditing, making it easier to detect and prevent fraudulent activities. Traditional banking systems, on the other hand, often prioritize confidentiality and restrict access to transaction information, limiting transparency.


Immutability is a crucial feature of Blockchain technology. Once a transaction is recorded on the Blockchain, it becomes virtually immutable and tamper-proof. Each transaction is linked to the previous one through cryptographic hashes, creating a chain of blocks that cannot be altered without consensus from the network participants. This immutability ensures the integrity and security of transactions, providing an auditable and trustworthy record of events. In contrast, traditional banking systems allow for modifications or reversals of transactions, which can introduce vulnerabilities and disputes.


Blockchain technology offers varying degrees of anonymity depending on the specific blockchain implementation. While transactions on the Blockchain are pseudonymous, meaning they are linked to unique cryptographic addresses rather than real-world identities, achieving complete anonymity can be challenging. Users are assigned a private key that serves as their unique identifier and allows them to access their assets and execute transactions. By keeping the private key secure and not associating real-world information with the blockchain address, individuals can maintain a level of anonymity. However, it's important to note that the level of anonymity can vary across different blockchain networks and may not always be absolute.

digitalization of the financial sector brought with it new money laundering threats, especially with mobile devices

Is Blockchain Secure? 

Blockchain technology offers robust security mechanisms that contribute to its trustworthiness and resilience. The security of blockchain can be comprehended through various aspects, providing a solid foundation for the integrity and immutability of the blockchain network. Here are some key points to consider:

  • Consensus Mechanism:

Blockchain networks rely on consensus algorithms to validate and agree on the order and content of transactions. Popular consensus mechanisms like Proof of Work (PoW) or Proof of Stake (PoS) ensure that the majority of participants in the network reach a consensus on the validity of transactions. These mechanisms make it extremely difficult for an individual or group to alter or manipulate the blockchain's data without the consensus of the majority.

  • Cryptographic Hashing:

Each block in a blockchain is connected to the previous block through cryptographic hashes. These hashes serve as unique identifiers and ensure the integrity of the entire chain. Changing the data within a block would alter its hash value, which in turn would require recalculating the hash values of subsequent blocks. This process would necessitate an enormous amount of computational power and resources, making it virtually infeasible to alter past transactions without detection.

  • Decentralization and Distributed Ledger:

The decentralized nature of blockchain, where multiple copies of the ledger are distributed across the network, contributes to its security. Unlike centralized systems that have a single point of failure, blockchain's distributed ledger ensures that no single entity has complete control or authority over the network. This decentralization makes it challenging for malicious actors to compromise the entire system, as they would need to attack a significant number of nodes simultaneously.

  • Advanced Cryptography:

Blockchain relies on advanced cryptographic techniques to secure transactions and protect user identities. Public-key cryptography enables secure communication and transaction signing, ensuring that only authorized parties can access and manipulate specific transactions. Encryption techniques protect the confidentiality of sensitive data, providing an additional layer of security.

  • Incentive Structures:

In permissionless blockchain networks like Bitcoin, participants are incentivized to maintain the network's security through mechanisms such as mining. Miners invest computational power and resources to validate transactions and secure the network, and they are rewarded for their efforts. This incentive structure encourages honest participation and helps protect the blockchain from malicious attacks.

While blockchain technology provides robust security, it is essential to note that vulnerabilities can still arise from implementation flaws, human error, or attacks targeting individual nodes or wallets. Therefore, it is crucial to follow best practices in key management, use secure wallet solutions, and regularly update software to maintain the security of blockchain-based systems.

Disadvantages of Blockchain 

While blockchain technology offers significant advantages, it is important to recognize its limitations and potential drawbacks. Let's delve into some of the disadvantages associated with blockchain:

  • Integration Challenges: Integrating blockchain into existing business networks can be a complex and time-consuming process. It requires substantial planning, development, and coordination with multiple stakeholders. Adapting existing systems to work seamlessly with blockchain technology can pose technical and operational challenges.
  • Scalability: Blockchain technology faces scalability issues when it comes to processing a large number of transactions simultaneously. As the size of the blockchain grows, the time and resources required to validate and record transactions increase. This can result in longer processing times and slower transaction speeds, limiting its ability to handle high transaction volumes efficiently.
  • Energy Consumption: Certain blockchain networks, such as those using Proof of Work consensus algorithms (like Bitcoin), require extensive computational power and energy consumption. The process of mining and validating transactions involves solving complex mathematical puzzles, which consume a significant amount of electricity. This energy-intensive nature of blockchain can raise environmental concerns and increase operational costs.
  • Storage and Bandwidth Requirements: Blockchain networks require significant storage capacity to maintain a copy of the entire transaction history. As the blockchain grows in size, the storage requirements for individual nodes increase accordingly. Additionally, blockchain networks require substantial bandwidth to communicate and synchronize data across the network, which can pose challenges in regions with limited internet connectivity.
  • Regulatory and Legal Uncertainty: The regulatory landscape surrounding blockchain technology is still evolving. Governments and regulatory bodies are grappling with the legal implications and frameworks needed to govern blockchain-based systems. Uncertainty in regulations and compliance requirements can hinder the widespread adoption of blockchain, especially in highly regulated industries.
  • Lack of Governance and Standards: Blockchain networks often lack a centralized governing authority, which can lead to challenges in decision-making, consensus, and resolving disputes. The absence of universally recognized standards and protocols can hinder interoperability between different blockchain networks and limit their ability to work together seamlessly.
  • Security Concerns: While blockchain technology offers robust security features, it is not completely immune to vulnerabilities. Smart contract bugs, programming errors, and external threats targeting individual nodes or user wallets can compromise the security of blockchain systems. Additionally, the irreversible nature of blockchain transactions can make it challenging to rectify errors or fraudulent activities.
  • Limited Adoption and Awareness: Despite the potential of blockchain technology, its adoption is still relatively limited in many industries. The complexity and technical nature of blockchain can create barriers to entry for businesses. Furthermore, a lack of awareness and understanding among stakeholders may hinder its widespread adoption and utilization.

As a result, regulators are doing a variety of work for blockchain regulation. You can choose AML Compliance Solutions providers such as the Sanction Scanner to fight financial crime and follow regulations. Contact us or request a demo to explore the Sanction Scanner AML solutions.

Financial regulatory agencies try to keep abreast of developments in cryptocurrency and manage them

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