
[Cyberscope](https://www.cyberscope.io/), a leading auditing firm, has recently signed an MOU with [SotaTek](https://www.sotatek.com/about-us/), a top blockchain solution provider, to form a strategic partnership that aims to increase brand recognition for both companies and provide access to each other’s client networks.

As a company that highly values secure and reliable blockchain technology, SotaTek is excited to partner with Cyberscope, a firm that shares its commitment to quality and security. The partnership will focus on co-marketing initiatives and business referrals, with SotaTek recommending Cyberscope for smart contract audits and consulting services and Cyberscope serving as a “bridge” between SotaTek and others in need of blockchain & software development.

With over 1000+ Blockchain projects and NFTs audited and more than 300 teams KYC’d, Cyberscope is a highly respected auditing firm in the industry, with audit services that can earn a badge for your project and guarantee to build trust and recognition. Meanwhile, SotaTek is a global software development as a Service (SDaaS), IT outsourcing & consulting company that specializes in blockchain development, custom software development, mobile & web app development, CRM services, and AI & machine learning solutions.

The partnership between SotaTek and Cyberscope will be a great opportunity for both companies to strengthen their position in the market and provide high-quality services to their clients. If you are in need of tech solutions, don’t hesitate to contact SotaTek or Cyberscope to learn more about their services.


The partnership between SotaTek and Cyberscope will be a great opportunity for both companies to strengthen their position in the market and provide high-quality services to their clients.

Cyberscope Partners With Sotatek


The world's largest cryptocurrency exchange, **Binance**, developed the  [Binance Smart Chain (BSC) blockchain](https://www.cyberscope.io/binance-smart-chain-audit)  network as a quicker and less expensive alternative to Ethereum. BSC is completely compatible with the **Ethereum Virtual Machine (EVM)** and is based on the Proof of Staked Authority (**PoSA**) consensus mechanism. It facilitates the development of decentralized apps (DApps) and smart contracts with quick confirmation times and minimal transaction costs.

The security, dependability, and integrity of tokens generated on the Binance Smart Chain are all things that can be ensured thanks to **BSC token audits**. Independent [security companies](https://www.cyberscope.io/services) carry out token audits to check the smart contract code of the token for flaws, defects, and potential exploits. Auditing can aid in the prevention of fraud, hacks, and other negative actions that might endanger investors and ruin the BSC ecosystem's image.

It is crucial for token developers to pick a trustworthy and knowledgeable audit company to carry out the audit. Also, they should make sure that they are totally open and honest with the audit company and give them all the information they want regarding the token and its smart contract code. To improve the security and usefulness of the token, token developers should adopt the recommendations and best practices detailed in the audit report.


## Overview of the BSC Token Audit Process

**Requesting an Audit**

A [trusted security company](https://www.cyberscope.io/services) with expertise in smart contract auditing will accept requests for audits from token developers.

**Pre-audit Analysis**

In order to find any possible flaws and determine the audit's scope and cost, the auditor will first examine the token's smart contract code.

**Planning the Audit**

The auditor will create an audit plan that specifies the objectives, procedures, timetable, deliverables, and channels of communication for the audit.

**Code Review**

The auditor will use tools and methods including human code review, automated testing, and static analysis to thoroughly examine the token's smart contract code. Finding any bugs, logical flaws, [security](https://www.cyberscope.io/blog/security-in-blockchain-the-landscape-in-2023) holes, or other problems that might jeopardize the token's functioning or security is the goal of this stage.

![Code Review](1.png)

**Testing and Analysis**

To confirm the accuracy and security of the token's smart contract code, the auditor will carry out a number of tests and analyses. Functional testing, unit testing, integration testing, and other tests may be part of this process.

**Report Creation**

The auditor will provide a thorough audit report that describes the audit's findings and offers suggestions for enhancing the token's security and usability. Any vulnerabilities or problems should be listed in the report along with advice on how to fix or mitigate them.

  

**Follow-up and Support**

The auditor may offer the token creators follow-up help to make sure that any problems are appropriately resolved and that the token continues to be safe and useful. Further testing, analysis, and continuing advice and assistance could be necessary for this.

  

![Cyber Security](2.png)

  

## Understanding Cross-Contract Dependencies

Cross-contract dependencies may appear while doing a Binance Smart Chain (BSC) token audit since the token contract communicates with other blockchain contracts. The token contract, for instance, may be dependent on a contract that controls token distribution, or it might communicate with an exchange contract to enable trade.

The auditor must carefully examine any cross-contract dependencies in order to guarantee the token contract's security and operation. This involves the subsequent actions:

**Identifying Every Contract That the Token Contract Engages With**
Any contract that the token contract interacts with, including those on which it depends or calls functions, must be noted by the auditor.

**Check the Security of the Contracts**
The auditor must examine the code, weaknesses, and potential attack points of every contract with which the token contract interfaces to confirm that it is secure.

**Examine How the Contracts Interact**
The auditor must examine how the token contract interacts with any other contracts, particularly how data and tokens are transferred between them. This entails confirming the contracts' safe communication and the appropriate handling and validation of any data or tokens that are passed between them.

**Checking the Contracts' Functionality**
The auditor must confirm that the contracts are operating as intended and that they adhere to the specifications of the token contract.

**Testing the Contracts**
To guarantee that the token contract and all associated contracts are operating safely and appropriately, the auditor should subject them to comprehensive testing. This entails checking for edge instances, potential assaults, and any other situations that could affect the fulfilment of the contract.

  

In general, it's crucial to comprehend cross-contract interdependence while auditing a BSC token contract. The auditor may make that the token contract and any associated contracts are safe, useful, and satisfy the project's needs by carrying out these stages.

  

## Improving BSC Token Audit - Additional Actions

Token developers can take the following additional actions to further prepare for a BSC token audit in addition to the ones that have already been mentioned:
  
-   Making sure that the documentation for the **smart contract code is accurate**. As the auditor will have a better grasp of how the code functions, having clear and thorough documentation of the code may make the audit process easier and more effective.

- **Internal testing and analysis**. It might be beneficial to perform some internal testing and analysis before submitting the code for an external audit to find any obvious defects or concerns. In the long term, this can save time and money because the auditor won't have to spend as much time finding and resolving these problems.

- **Using open-source frameworks and libraries**. Code vulnerabilities and mistakes can be minimized by utilizing well-known, open-source libraries and frameworks. A range of automated testing tools are available that may assist in locating potential bugs and vulnerabilities in the code. Take into consideration employing these tools. These tools help speed up the auditing process and increase audit accuracy.

- **Handling any problems that are found**. The auditor will deliver a report detailing any flaws or vulnerabilities found when the audit is finished. To maintain the security and operation of the token, token developers must be ready to fix these problems quickly and completely.

![Audit](3.png)

## Phases the Auditing Process

The following phases are commonly included in the Binance Smart Chain (BSC) token audit process:

**Evaluation of the Code and Contract for the Token**

To understand how the coin functions and any possible weaknesses, the auditor will first go over the contract and code. Both human and automated testing may be a part of this investigation.

The contract will be manually and automatically tested by the auditor in order to find any problems or weaknesses in the contract. Functional testing, unit testing, integration testing, and other types of testing may be included in this.

**Identification and Reporting of Flaws and Vulnerabilities**

The token development team will be informed of any issues or vulnerabilities that are discovered throughout the testing process and will be documented in a report. The report will often provide thorough explanations of the problems along with suggestions for how to fix them.

In order to guarantee that the token development team is aware of the problems that have been found and how to fix them, the auditor will maintain constant communication with them. This can entail giving further instructions or information as necessary.

## Post-Audit Activities

**Repair and Retesting of any Issues Found**
The token development team will work to address any flaws or vulnerabilities discovered, and the auditor will retest the contract to ensure that the issues have been fixed. Once all issues are resolved and the contract is deemed trustworthy and safe, this procedure may continue until anything new has been detected.

The main objective of the BSC token audit process is to identify and address any issues or flaws that may compromise the token's security or functionality, as well as to ensure that the token is safe for users to use and trade.
  
Making suggestions for enhancements and best practices is the second phase. The audit report must include suggestions for any enhancements or industry-recognized best practices that the token development team can use to increase the token's [security](https://academy.binance.com/en/articles/what-is-a-smart-contract-security-audit) and functionality. These suggestions can involve making adjustments to the code, methods, or processes. For instance, the audit may point out places where the token's smart contract may be strengthened or extra security measures added. Token creators may make sure that the token is safe and useful in the long run by following these suggestions.

![Post-Audit Activities](4.png)

## The Final Stage is Releasing the Audit Findings Publicly

To increase user confidence and trust, token developers should think about posting the audit report on the token's website or in a public repository. Users may see that the token has undergone a thorough audit and has been confirmed to be safe by making the audit report public. Users' trust and confidence may be increased as a result, which is crucial for any token's success.
  
Ultimately, it's critical to keep checking on and maintaining the token's contract. Even once the audit is over, it is crucial to keep an eye out for any new vulnerabilities or problems that can develop with the token and its contract. This may entail instituting frequent security assessments, carrying out continuing maintenance and upgrades, and keeping abreast with the most recent industry standards and best practices. The token may be continuously monitored and maintained by the developers to guarantee that it is safe and useful.
  
## Conclusion

Finally, frequent audits are essential to preserving the integrity and security of BSC tokens. These audits aid in locating and addressing any risks and vulnerabilities in the token's smart contract code, assuring the token's long-term security and functionality. Token creators may increase user trust and confidence, which is crucial for any token's success, by conducting routine audits. 

Before making an investment, investors should learn about and comprehend the audit history of the token. It is wiser to **invest in a coin that has passed a comprehensive audit** and been determined to be **secure** rather than one that has not. Investors should also be aware of tokens with a spotty audit history or that haven't had any audits at all.

To preserve the security and integrity of tokens, BSC token audits are a crucial component. Token developers should make sure they conduct routine audits and adhere to the best practices and suggestions presented in the audit reports. Before making an investment, investors should learn about and comprehend a token's audit history to make sure their money is safe and reliable.

If you are looking to audit your BSC token, you can always reach out to us [here](https://www.cyberscope.io/#contact).

Binance Smart Chain (BSC) is a blockchain network developed by Binance as an alternative to Ethereum for creating DApps and smart contracts. To ensure security, token developers must undergo a BSC token audit from trusted security companies.

Binance Smart Chain Audits: All You Need To Know



## **Introduction**

**Zero Knowledge Proof (ZKP)**  is a cryptographic technique that enables one party, known as the prover, to demonstrate to another party, known as the verifier, that a certain statement is true, without revealing any additional information beyond the validity of the statement.

Establishing trust between parties without requiring them to divulge sensitive information is the goal of ZKP, which  **improves privacy and security**. A crucial component of ZKP is computational hardness, which makes it impossible for an adversary to trick the proof by identifying an alternate statement that is also true. This indicates that even for a strong hacker with access to significant computing resources, it would require more work to simulate the proof computationally.

# **A Chain of 4 Factors**

The prover, the verifier, the statement, and the proof are the four main concepts in the Zero Knowledge Proof. The prover is the one trying to persuade the verifier that the information is true. The verifier, on the other hand, is only interested in whether the information is true they are not interested in learning anything else. The [statement-information](https://ethereum.org/en/zero-knowledge-proofs/), such as having knowledge of a password, having a private key, or being the owner of a digital asset, is the mathematical expression that the prover intends to demonstrate to the verifier. The evidence offered by the prover to persuade the verifier that the statement is true is known as the **proof**.

The proof must persuade the verifier enough, but it cannot divulge any information other than the truth of the statement. Then the verifier shouldn’t be able to utilize the proof to learn new information that would allow them to pose as the prover or invade their privacy. Computational hardness is a key component of **Zero Knowledge Proof**  because the proof must be written in a way that prevents an opponent from producing false proof for a competing assertion.

ZKP offers a means for parties to build confidence without disclosing private information, improving privacy and security overall. It is a potent tool with a wide range of uses, including blockchain, cloud computing, and cryptocurrency. We may appreciate how ZKP enables  **parties** to **interact safely**  while keeping their privacy by comprehending its fundamental ideas.

![Types of Zero Knowledge Proof](1.png)

# **Types of Zero Knowledge Proof**

In cryptography, there are several varieties of Zero Knowledge Proof (ZKP), each with unique benefits and restrictions.

## **Interactive Zero Knowledge Proof**

The first kind is  **Interactive Zero Knowledge Proof (IZKP)**, which involves a back-and-forth conversation between the prover and the verifier to support the statement. In an IZKP, the prover offers a number of proofs, which the verifier examines and then challenges. After the verifier is persuaded of the statement’s veracity, the prover will utilize this challenge to build a new proof. Although it needs a lot of communication between the prover and the verifier, which may be time-consuming and computationally costly, IZKP is thought to be extremely safe.

## **Non-Interactive Zero Knowledge Proof**

Another type of ZKP that does not call for back-and-forth communication between the prover and the verifier is called  **Non-Interactive Zero Knowledge Proof (NIZKP)**. With a NIZKP, the prover offers solitary evidence that the verifier may independently confirm without further contact. As a result, NIZKP is quicker and more effective than IZKP, but it is also less secure since the prover is able to provide false evidence before the verification process is completed.

In general, the decision to use ZKP is influenced by the particular application and the trade-off between complexity, efficiency, and security. To choose the most suitable ZKP for a certain use case, it is crucial to understand the distinctions between each type’s strengths and disadvantages.

# **Examples of Zero Knowledge Proof**

Modern cryptography has several uses for Zero Knowledge Proof (ZKP), including privacy protection, digital signatures, and authentication. These are some instances of ZKP at work:

## **Password-Authenticated Key Exchange (PAKE)**

Without disclosing the password itself, Zero Knowledge Proof (ZKP) techniques can be used to prove that someone knows a password. This is done by employing a ZKP protocol called a Password-Authenticated Key Exchange  **(PAKE)**.

Using the user’s password and a random number, the server and user jointly calculate a cryptographic key in a PAKE protocol. A secure channel of communication between the user and the server can be established using the key that is generated as a consequence. Yet, the server does not discover the user’s password, and the user does not learn the server’s secret key.

![Password Security](2.png)

This approach entails the user demonstrating to the server that they are familiar with the password without actually disclosing it. This is achieved through a ZKP proof, in which the user creates a cryptographic demonstration of their password knowledge without disclosing the password itself.

Without disclosing it to the server or anybody else, the ZKP proof guarantees that the user knows the password. The password is kept a **secret**  even during the authentication process, offering a high level of security and privacy.

There are several uses for PAKE protocols with ZKP, including

-   secure remote access authentication
-   e-commerce and
-   online banking

They are a useful tool in many applications that demand strong authentication and  [privacy](https://blog.chain.link/what-is-a-zero-knowledge-proof-zkp/) safeguards since they provide a highly secure technique of confirming knowledge of a password without disclosing the password itself.

## **Digital Signatures**

They can be used in the context of ZKP to confirm the prover’s identity and guarantee that the proof was not tampered with during transmission. The prover uses their private key to sign the proof, and the verifier uses the prover’s public key to confirm the signature. The verifier can be sure that the evidence was created by the prover and  **was not altered**  if the signature is legitimate. When employing digital signatures, a user must demonstrate that they have the private key connected to the related public key. Without disclosing the private key itself, a ZKP can be used to demonstrate possession of the key.

## **Confidentiality**

Blockchain-based systems can utilize zero-knowledge proofs (ZKP) to prove ownership of digital assets like **cryptocurrencies**  without revealing the owner’s identity. This is so that a statement may be confirmed using ZKP without disclosing any information other than the statement being verified.

For instance, a ZKP might be used in a blockchain-based system like  **Bitcoin**  to prove ownership of a certain quantity of Bitcoin without disclosing the owner’s name. This is done by confirming that the individual holds the private key associated with a particular Bitcoin address, without releasing the private key itself or any other identifying information

![Multi-Computing](3.png)

## **Secure Multi-Computing**

**MPC can employ Zero-Knowledge Proofs (ZKP)**  to allow several participants to collaborate on a calculation without exposing their individual contributions. In order to guarantee that each participant’s input is kept private and safe, a variety of cryptographic algorithms, including ZKP, is used to do this.

In MPC, many participants work together to complete a calculation while maintaining the privacy of their individual contributions. This is crucial when working with sensitive data, such as financial or medical information, where privacy and security must be guaranteed.

For instance, ZKP can be used to demonstrate that each party’s input is a genuine salary without disclosing the actual value of the pay in an MPC context when numerous parties desire to compute the average of their wages without disclosing their individual incomes. This makes it possible to complete the computation without revealing any private data.

Implementing MPC with ZKP may be done in a variety of ways, including by employing secure multi-party computing protocols like the GMW or Yao’s protocols. With the use of ZKP, parties may demonstrate the accuracy of their contributions using these protocols while maintaining the secrecy of their inputs.

# **ZKP Applications**

Zero Knowledge Proof (ZKP), can offer a high level of confidentiality and anonymity. The following are some of the most noteworthy ZKP applications:

## **Cryptocurrencies**

ZKP is used to preserve transaction privacy while assuring its legitimacy in the realm of cryptocurrency. Transactions may be validated using ZKP without disclosing any private information about the users involved. This is especially crucial in a system like blockchain, where transactions are publicly recorded and open to everyone’s view.

## **Authentication**

ZKP may be used for authentication without disclosing private information about the users. When users need to access secure systems or information, this is very helpful.

## **Blockchain**

In blockchain-based systems, ZKP is also used to demonstrate **ownership of digital assets** like cryptocurrencies without disclosing the owner’s name. By doing this, the system’s security is maintained while ensuring the confidentiality of the owner’s transaction history.

## **Cloud Computing**

ZKP may be used in cloud computing to check the accuracy of data that is stored remotely without requiring the cloud provider to have access to the data directly. Users are still able to check the data’s integrity while maintaining control over it.

## **Boundaries**

Although Zero Knowledge Proof (ZKP) is a strong authentication and communication tool, there are several restrictions that need to be taken into account.

![ZK Boundaries](4.png)

## **Setup**

The requirement for a trustworthy setup is one of the main restrictions of ZKP. This is so because the setup’s use of randomization affects how secure the proof is. The security of the entire system may be jeopardized if the setup is compromised. To maintain the integrity of the proof, the setup procedure must be carried out in a safe and reliable setting.

## **Computational Complexity**

The complexity required to generate and verify the proof is another restriction of ZKP. For some applications, it may not be feasible due to the lengthy computing time needed.

## **Compatibility**

**Integrating ZKP protocols**  into existing workflows might be  **challenging**  since they frequently aren’t compatible with current systems. This makes practical ZKP implementation difficult.

## **Adaptability**

Lastly, ZKP has a limited potential to scale. The computing time needed to construct and verify the proof grows together with the magnitude of the assertion that has to be proven. Due to this, scaling the system to accommodate high amounts of transactions or data may be challenging.

# **Conclusion**

In conclusion,  **Zero Knowledge Proof**  (ZKP) is a cryptographic procedure that enables a prover to persuade a verifier that a statement is true without disclosing any information other than the validity of the statement itself. Due to its capacity to offer privacy, secrecy, and  [security](https://www.cyberscope.io/blog/security-in-blockchain-the-landscape-in-2023)  in a variety of applications, ZKP has grown into a potent tool for **secure communication** and  **authentication**. ZKP is based on the idea of computational hardness, which denotes the difficulty of solving a given task in an acceptable period of time. This characteristic guarantees the security of the evidence since it would be practically difficult for a thief or a scammer to compromise the proof.

Zero Knowledge Proof (ZKP) is a cryptographic technique that enables one party, known as the prover, to demonstrate to another party, known as the verifier, that a certain statement is true, without revealing any additional information beyond the validity of the statement.

Zero Knowledge Proof — Everything You Need to Know


## Introduction

**Blockchain** is a network of computers that maintains a distributed digital ledger that keeps track of transactions. It provides a transparent and safe method for storing and transferring data. Despite the great degree of safety that blockchain technology offers, it is nonetheless open to different threats and assaults.

A series of transactions are contained in each block of the chain, which are then added to the chain in chronological order after being confirmed by the network. A block cannot be changed or removed after it has been added to the chain. Although it is frequently connected to cryptocurrencies like Bitcoin, it can offer a wide range of potential applications beyond finance, including supply chain management, identity verification, and voting systems.

**Security in blockchain**  is a crucial aspect. Various security measures are implemented to ensure the integrity and confidentiality of the data.  **Decentralization**,  **immutability**,  **transparency**, and  **security**  are some of the main characteristics of blockchain technology.

## Blockchain Benefits

The benefits of blockchain are what make it a crucial component of the upcoming technological revolution. Beyond cryptocurrencies, many different industries are now affected by them. They include, among others, the healthcare industry, e-commerce, publishing, and the financial sector. The worldwide blockchain technology industry is anticipated to reach $1,432 billion by 2030, with a Compounded Annual Growth Rate (CAGR) of 85.9% between 2022 and 2030, according to  [Grand View Research](https://www.grandviewresearch.com/press-release/global-blockchain-technology-market).

It is clear that blockchain technology is here to stay, in light of the greatest blockchain trends of 2023, including the introduction of green initiatives, the growth of Non-Fungible Tokens (NFTs), and the development of the Metaverse.

## Security in the Blockchain Εnvironment

**Security**  is critical because blockchain is a distributed, decentralized system that relies on immutability and trust to function. Because blockchain technology is based on trust and security, **any security breach might have catastrophic results**. In blockchain, security is essential for the following reasons:

### Protection Against Unauthorized Access

The fact that blockchain is distributed means that anybody with network access may take part in the validation process. Due to this, it is crucial to guarantee that only authorized parties may access the network and modify the ledger.

### Data Integrity

Data integrity is ensured by the immutability of blockchain, which means that once data is entered into the ledger, it cannot be changed or removed. Consensus mechanisms and other security measures, like cryptography, aid in ensuring the accuracy and immutability of the data uploaded to the blockchain.

![Cyber Attacks](1.png)

### Protection Against Cyberattacks

Smart contract flaws,  **51 per cent attacks**, and  [**sybil attacks**](https://www.cyberscope.io/blog/what-are-sybil-attacks-on-the-blockchain)  are just a few of the cyberattacks that blockchain networks are susceptible to. Hashing algorithms, multi-signature authentication, and  **smart contract auditing**  are a few security techniques that can prevent such assaults and guarantee the safety of the blockchain network.

### Double Spending Prevention

With every digital payment system, double spending poses a risk. Double-spending is avoided with the use of blockchain technology, which also employs consensus processes to guarantee accurate transaction execution.

### Fraud Mitigation

Identity theft can be prevented, and safe digital identities can be created using blockchain technology. Fraud may be decreased and transaction authenticity assured by confirming and verifying IDs on the blockchain.

## What is the Current State of Blockchain Security?

Blockchain security is now in a mixed condition, with some advancements and persistent difficulties. Although blockchain is widely regarded as a safe technology, there have been a number of prominent instances of hacks and security lapses in recent years.

Furthermore,  **security in blockchain is sometimes disputed**  due to the  **absence of a central authority**  to monitor and control the network. It may be difficult to rapidly and effectively detect and mitigate security concerns. Ultimately, despite advancements in blockchain security, the technology still poses a number of security threats and issues that require constant attention and investment in new security solutions.

## Hacking Incidents in 2022

A decentralized finance **(DeFi)**  platform called  **Poly Network**  was hacked in August 2022, causing the loss of nearly **$600 million**  in various cryptocurrencies. The majority of the cash that was taken was quickly returned by the hacker(s) who carried out the attack.

**THORChain hack:** In July 2022, a decentralized exchange known as THORChain had a hack that cost over **$7 million**  in cryptocurrencies. A liquidity pool flaw in the network was blamed for the attack.

**Binance:**  In March 2022, over **$40 million**  in various cryptocurrencies were stolen from Binance, one of the biggest cryptocurrency exchanges in the world. The exchange claimed to have located and frozen the cash that had been taken.

Decentralized financial  **(DeFi)**  systems are becoming more and more popular, but they also pose serious security vulnerabilities, as shown by the hacks of the Poly Network and THORChain. DeFi technologies may become increasingly vulnerable to attack as more value is locked into them.

![Cyber Security](2.png)

## Common Security Threats

### Phishing and Malware Attacks

Blockchain is not an exception to the prevalence of  **malware** and [**phishing**](https://www.coindesk.com/consensus-magazine/2022/12/22/2023-should-be-the-year-of-on-chain-user-security/)  **attacks**  in the digital world. These assaults may lead to the loss of private keys, which are needed to access blockchain wallets. Users should always be cautious while using connections that look suspicious. They should, of course, pay attention to the security that is necessary to protect their private keys.

### Governance

The unpredictability of **blockchain governance**  systems creates a complicated environment when it comes to security.

Without clear governance, it might be difficult to make decisions regarding the network’s future and upkeep, which can lead to disagreements and potential  **security** problems.

### Interconnectivity

In other words,  **blockchain interoperability**. It refers to the ability of different blockchains to communicate with one another and exchange data. It might be **difficult to monitor**  and  **verify transactions**  across different blockchains due to fragmentation brought on by a lack of interoperability, which, as a result, creates a security concern.

### Double Spending Attacks

An attack that involves double spending occurs when a malevolent user attempts to utilize the same coin more than once. Because blockchain transactions are not always instantly validated and might take a while to be posted to the blockchain, this kind of attack is feasible.

### 51% Attacks

A 51 per cent attack, often referred to as a “**majority attack,”**  occurs when one entity has more than 50% of the computational power on a blockchain network. This enables the attacker to control the network and modify the blockchain. This ability gives the attacker the ability to  **undo transactions**,  **double-spend cryptos**, and  **stop the addition of new transactions**  to the blockchain.

### Sybil Attacks

An online attack known as a  **sybil attack**  allows hackers to break into a network by taking over many machines or user accounts. Such attacks seek to seize control of a network in order to affect transactions and other network processes. These assaults often relate to a malevolent scammer running many nodes to take over a blockchain network in the Web3 environment.

The goal of the attacker is to significantly affect the network in order to engage in illicit actions while still abiding by the system’s core rules and regulations. Several IP address-based user accounts that, to an outsider looking in, appear to be distinct identities but are not can be created by a single machine or entity.

### Smart Contract Immutability

The intransitive nature of  **smart contracts**  is one of the main problems that blockchains encounter. Immutability refers to the fact that once smart contracts are implemented on a blockchain, the protocol’s rules cannot be changed.

The fact that there is an opportunity for scammers to alter the contract details is the most disturbing factor. It is difficult to remedy a flaw discovered in the code since it is immutable. This limits the developers’ ability to provide solutions whenever an issue occurs.

In contrast to typical software defects, smart contracts can nonetheless have errors that are detrimental and have a significant impact. The Defi systems are now powered by smart contracts. This implies that a single flaw or vulnerability might result in significant losses for consumers.

### Routing Attacks

Unlike a 51 per cent attack, routing attacks focus on taking advantage of inherent flaws in the internet’s  **routing system**. A routing attack can be used by an attacker to divide a blockchain network into two different ones. As the attacker serves as a bridge between the two divisions, all network traffic passes through him. When the assault is eventually stopped, the blocks inside the smaller partition will all be deleted, forcing transactions to be dumped and repudiating any mining rewards. This forcibly builds parallel blockchains.

Similarly to this, routing attacks may also be employed to completely avoid detection while delaying the delivery of the mined block by at least 20 minutes on blockchain networks. This may lead to duplicate expenditures or mining power waste. Theoretically, these attacks are conceivable.

### Consensus Protocol Attacks

Another form of vulnerability that might exist in blockchain technology is consensus protocol attacks. The methods that control how transactions are validated and added to the blockchain are known as “consensus protocols.”

### Vulnerabilities in Blockchain User Endpoints

Security in blockchain networks is subject to some gaps in user-interface devices like desktops, tablets, and smartphones, just like any other online transaction service. An attacker attempting to gain access to your blockchain wallet may monitor your online activity around the clock or use malware to examine your files in search of the private key to your wallet.

It is crucial to keep your private key for your crypto wallet encrypted and avoid saving it as a plain text file. Also, installing safe antivirus software that guards against spyware is always advised.

![Safety](3.png)

## Solutions For Blockchain Security

There are a number of **security solutions**  that can be integrated into blockchain technology in order to reduce the security issues mentioned above. Some of these remedies are:

### Multi-Signature Authentication:

Before a transaction can be carried out, it needs to be approved by several parties. By doing so, fraud risk may be decreased and illegal access prevented.

### Public and Private Key Cryptography

**Security in blockchain** is ensured by **transactions**  that are protected by public and private key cryptography. To encrypt and decode transactions, each user has a public key and a private key. This makes sure that the funds can only be accessed by the specified recipient.

### Auditing and Testing of Smart Contracts

[Smart contract auditing](https://www.cyberscope.io/blog/smart-contract-audits-a-complete-guide)  and testing can find weaknesses in smart contracts and make sure they work as intended.

### Byzantine Fault Tolerance

This strategy allows a system to keep running even if some of its nodes malfunction or act maliciously. Attacks like Sybil attacks and 51% assaults may be avoided in this way.

### Zero-Proof Knowledge

It is a cryptographic method that enables users to demonstrate their possession of certain information without divulging that information itself, making blockchain more secure and private.

### Hashing Methods

To protect the integrity of transactions on the blockchain, hashing methods are utilized. Each transaction is given a distinct fingerprint, making it difficult to change the transaction without also altering the fingerprint.

### Decentralized Exchanges

Users can trade cryptocurrencies on decentralized exchanges without depending on a centralized authority. Fraud and hacking risks can be decreased as a result of this methodology.

![Web 3.0](4.png)

### Security in Blockchain this Year

In  **2023**, blockchain technology is expected to gain more popularity, and thus,  **security in blockchain is going to be a matter of high priority** for the organizations that are going to be adopting the Web 3.0 environment.

**Increased Use of Decentralized Operations**

We may anticipate an increase in the number of companies and organizations using decentralized operations. As a result, stronger security measures will be required in order to safeguard the sensitive information and assets kept on these networks. The expansion of blockchain-based corporate operations is one of the top blockchain trends of 2023. More businesses are expected to take advantage of this technology because of the better security, transparency, and protection from cyberattacks that decentralized blockchains provide.

### Interoperability

As blockchain networks continue to spread, it will become more and more crucial that they communicate with one another. Different blockchain networks will be able to connect with one another thanks to interoperability solutions, but these solutions will also bring forth new security issues that need to be resolved. Blockchain technology.

### Secure Wallets

More software wallet integrations with various hardware wallets, also known as storage solutions, will also be seen, making it more difficult for thieves to access a victim’s money.

### Quantum-Resistant Encryption

As quantum computing advances, it is possible that standard encryption techniques will be broken. Quantum-resistant encryption, which is built to fight against incoming attacks from quantum computers, has emerged as a result of this.

### Zero-Knowledge Proofs

As data privacy concerns rise, blockchain developers are putting more effort into integrating privacy-focused features like zero-knowledge proofs and encryption to safeguard user data.

### More Blockchain-Based Apps

Blockchain software engineers will be in high demand in 2023. Blockchain technology will become increasingly necessary as more sophisticated ‘’Know Your Customer’’ [**(KYC)**](https://www.cyberscope.io/#kyc)  features, secure transactions, and other functions are developed.

### MPC

Technology-based encryption will progress towards multi-party computation  **(MPC)**.  **Multi-factor authentication**, in which the user splits his key between a local wallet and a signature server, is one use of MPC. When a transaction has to be signed, those shards would cooperate, but they would also protect against a loss of cash if either were compromised, resulting in a much more safe and more secure cyber environment.

### Account Abstraction

In 2023, there will be more discussion regarding ideas like “account abstraction.” Account abstraction, as well explained by Argent wallet creator and [Ethereum](https://www.cyberscope.io/ethereum-contract-audit)  cofounder  **Vitalik Buterin**, entails modifying Ethereum to basically make all addresses, not just smart contracts, programmable. This would allow cryptocurrency technology companies to investigate new solutions for securing wallets and improving the recovery of lost or stolen funds.

### Blockchain Data Sharing

In 2023, user control over data ownership will be enabled via system designs for blockchain data sharing. Once they begin to “own” their data, users will be able to control who gets access to it. Healthcare, medical, and financial services will be the first to be impacted, but advertising and social media may also experience significant changes as a result of these new designs, suggests **Manjush Madabushi**, CTO and co-founder of Talentica Software.

**Marijus Briedis**, CTO of NordVPN, said in 2022,  _“The next year will not be any easier when it comes to keeping users’ data safe and private. Authoritarian countries and hackers are working hard to compromise those factors. However, I see the light at the end of the tunnel because people are starting to value their data, pushing businesses and governments to take action’’_.

![Trade and Value Chains](5.png)

### Trade and Value Chains

Traceability is made possible throughout the whole supply chain via blockchain technology. Blockchains allow for instantaneous access to the status or legitimacy of a product since they record data in a digital, decentralized ledger. In addition to increasing efficiency and defensibility, this also establishes a worldwide value chain for commodities in a more secure context.

The blockchain ecosystem, which many firms have adopted, will continue, and it must continue to include **smart contracts**. 2023 will be a year characterized by  **efficient, safe, and precise international transactions**.


## Conclusion

**Security in**  **blockchain technology**  will change as it develops. It is crucial for companies and developers to emphasize security in their blockchain initiatives if they want to remain ahead of these dangers. This entails that businesses and developers must put security first by establishing strong security measures, keeping up with the most recent security trends and technology, and adhering to **cybersecurity**  laws and standards in order to overcome these security problems. To keep blockchain technology safe, dependable, and robust, this call to action is crucial. If you are looking for a cybersecurity  [partner](https://www.cyberscope.io/#contact)  in 2023, feel free to reach out to us at [contact@cyberscope.io](mailto:contact@cyberscope.io).

Blockchain is a network of computers that maintains a distributed digital ledger that keeps track of transactions. It provides a transparent and safe method for storing and transferring data. Despite the great degree of safety that blockchain technology offers, it is nonetheless open to different threats and assaults.

Security in Blockchain — The Landscape in 2023


We are thrilled to announce that [Cyberscope](https://www.cyberscope.io/) has been a part of the [European Blockchain Convention 2023](https://eblockchainconvention.com/) held in Barcelona from February 15th to 17th as a Silver Sponsor. The event was an incredible gathering of industry leaders, innovators, and enthusiasts, and we were honored to connect with so many brilliant minds.

![Cyberscope EBC23 Booth](1.webp)

Our CEO, Thanos Tsavlis, was part of a distinguished panel of experts that discussed the important topic of "Restoring Trust in the Crypto Industry". With his extensive experience and expertise, Thanos shared valuable insights and strategies on how the industry can overcome some of its most pressing challenges and build a more secure and transparent future.

![Restoring Trust in the Crypto Industry Panel](2.webp)

At the convention, we also had the opportunity to showcase our latest products and services at our booth and connect with attendees. It was inspiring to see so many passionate and creative people coming together to drive innovation and progress in the blockchain and crypto space.

![Cyberscope Leadership Team](3.webp)

We are proud to have supported this important event as a Silver Sponsor and are already looking forward to the next one. Thank you to the organizers, fellow sponsors, speakers, and attendees for making the European Blockchain Convention 2023 such a resounding success.

You can check a recap of our experience [here](https://youtu.be/9UOGz1UeM64).

Let's continue to work together to push the boundaries of innovation and create a better future for all.

Cyberscope is a proud to be part of the European Blockchain Convention as a silver sponsor

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