Civil Attack and Its Mode of Operation on the Blockchain Network
INTRODUCTION
A Sybil attack is sometimes referred to a civil attack in some contexts. Such leads to a cyber security concern in the blockchain systems since the attacker seeks to take over by using different identities where they want to establish multiple accounts. This type of assault is capable of overwhelming honest contributors of the network system and therefore jeopardizing the trust of the members of the network leading to the undermining and abuse of the consensus mechanisms. Such an assault defeats the purpose of a blockchain, which is making sure that only legitimate and autonomous users are able to authenticate and approve transactions, by overwhelming the decentralized aspect of the blockchain with many active users whom all attempt to hack into the consensus.
In particular, it can be easily seen that civil attacks are common in blockchain networks, especially in those designed with the Proof of Stake (PoS) or in the permissionless designed networks. An attacker can use an excess of these phony nodes for thinking. With the pace of development of the blockchain technologies there is a growing need to diminish the risk of civil attacks, especially with regard to the public blockchains where there are no restrictions on who can join the network.
This comprehension is crucial in improving the modeling of civil attacks on other domains such as social and computer networks. It assists application developers to in identifying vulnerabilities intending to develop ways to make blockchains free of such attacking strategies. For now, let us delve into the respective tactics utilized by civil attacks on the chaos such networks are built around.
CREATION OF MULTIPLE FAKE IDENTITIES
The first tactic that an assailant uses when carrying out a civil attack involves creating several fake identities or nodes. Earning an opinion in a blockchain network means creating a node which is a participant validating the transactions and taking part in the consensus process. A civil attacker creates one of these identities over and over pretending to be a lot of separate people.
As a result of this, the attacker is able to add a lot of fake nodes in the network. These fake nodes have the ability to validate transactions or to vote on the resolutions that are made within the network thereby making it possible for the attacker to have an effect on the decisions that are rendered. The greater the number of nodes owned by the attacker, the higher the chances of the attacker convincing the apparatus to change direction.
This maneuver can threaten the regularity of the consensus mechanism, particularly in cases when the concrete network fails to provide appropriate limitations. Such an attack can be very useful because the overwhelming number of fake nodes can incapacitate normal members leading to a biased decision making process.
INFLUENCING CONSENSUS MECHANISMS
Attacks of any kind basically go through several stages, and this is no exception. Once the attacker has successfully created multiple fake identities, the next step is to influence the consensus mechanism. The Proof of Work and Proof of Stake algorithms serve a very simple yet important purpose in a blockchain network- verification of transactions and the prevention of the abuse of the network. It is in this consensus process where the attacker hopes to achieve a civil attack by using the fake nodes.
Consider an example of a PoS network. In such networks, there is the provision for tokens to be staked. An attacker can stake or select tokens which are staked on various fakes translating to fxed power in the network and hence the validation of transaction would be deterministic. There can be undue block confirmations where the supposed-transactor who claims to be of sound mind approves the transactions of sending out invalid or otherwise fraudulent transactions. In the long run, this could affect the health of the whole blockchain space. To execute a PoW civil attack is more difficult but nonetheless an attacker can still try and subvert the miners by having control over many nodes within the network.
DISRUPTING NETWORK OPERATIONS
Civil attacks are not restricted to the control over the consensus process; they are also capable of threatening the normal functioning of the network. The introduction of phony nodes into the blockchain hosting within the existing network can cause interference, which bring about delays in transaction, that therefore inhibits valid business transactions from being performed. This is of great concern in systems with a higher volume of blockchain as any kind of delay, no matter how insignificant it might be may have a heavier toll.
The deployment of many flawed nodes can also impede the inter communication between the authentic nodes. This requires that a single node working in the isolation needs additional nodes to harmonise with all the participants, and this becomes tedious and slow when there is an overload of cross-transactional fake nodes.
As a result, the accruement of these serious net oriented issues over a prolonged period may boil over among the real users engaging within the net thereby drives them away from using it which resulting in further deterioration of the security.
MITIGATING CIVIL ATTACKS
There are different technical measures and network design improvements that can be used to prevent civil attacks. One of the most common strategies is to verify the identity of nodes, so that only real participants are allowed to enter the network. This may decrease the levels of decentralization to some extent, but it is useful as a means of minimizing the chances of civil attacks.
Another mitigation strategy involves using reputation systems. In these systems, the nodes are rated based on the past performances. These and many other methods assist in structuring the nodes in ways in which it becomes virtually impossible for an adversary to penetrate and operate with dummy and unscrupulous nodes.
There is also the option of encouraging honest people to participate in civil democracy by threatening them with penalties in the case of malicious participation. Furthermore, to prevent civil attacks, it would be hard for an attacker to manage numerous identities without incurring costs.
CONCLUSION
Civil attacks are a risk that threatens almost every blockchain network, as attackers will take advantage of the decentralization feature and capture the consensus of the blockchain. Such attackers create several pseudo identities to manipulate consensus, cause delays in transaction processing, and jepardize the safety of the network as a whole since poor consensus affects everything in the network. Although there are no solutions to civil attacks, measures such as identity verification, reputation systems, and economic incentives for honest participation is critical to mitigating the risk of such attacks and maintaining the integrity of blockchain systems.
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