Crypto: Is Proof of Stake Centralizing?

In terms of the blockchain consensus mechanism, proof of stake or Proof of Stake (PoS) has emerged as a relevant alternative to proof of work (PoW). This is evidenced by its significant advantages in the form of increased energy efficiency and reduced operating costs. Despite these obvious advantages, however, one issue is being debated. Whether PoS, which is supposed to decentralize transaction verification processes, may actually lead to some centralization. To answer this, we will try to review the pros and cons of this crypto transaction verification system in the context of this article. This is by exploring the lingering concerns about its potential centralizing impact on blockchain networks and possible solutions.

Crypto: Proof of Stake, Centralization Mechanism?

A look back at the concept and principle of Proof of Stake (PoS) cryptosystem.

Addressing the possible centralizing nature of Proof of Stake (PoS) would be meaningless without a conceptual departure from the concept. Thus, PoS emerges as an innovative consensus device within blockchains for verifying crypto-transactions. Unlike proof of work (PoW), which has been widely adopted so far, PoS works by choosing validators based on the amount of tokens they hold. This method actually has various notable advantages. First, PoS has a significantly reduced energy footprint compared to PoW.

This energy efficiency results from the fact that validators do not need to rely on powerful computers to solve complex mathematical problems. Which also results in shorter cryptocurrency verification times compared to PoW. Another significant advantage of PoS is its potential to be more decentralized. Indeed, making it easier for individuals to become validators promotes a fairer distribution of decision-making power within the network.

However, despite its obvious advantages, PoS is not without disadvantages. One of the main ones is the possibility that the majority of tokens will be obtained by a small group of validators. In addition, security could be lower compared to PoW, as it would be easier for a malicious actor to control a significant amount of tokens.

What about the implications of proof-of-stake (PoS) centralization?

The possibility of crypto centralization of PoS can result in several risks threatening the integrity and decentralization of the blockchain. First and foremost is the concentration of validators. This is the aforementioned situation where a few players hold the majority of the tokens, thus assuming a disproportionate influence on the network. According to analysts, this concentration situation can open the door to the potential manipulation of crypto transactions while undermining the security of the system.

Another danger associated with PoS centralization lies in the risk of collusion between multiple validators. These can coordinate their interactions to manipulate the network and perform actions such as deliberately blocking or delaying crypto transactions. This collusion challenges users’ trust in the reliability of the system, thereby undermining the basic principles of blockchain.

In addition, PoS centralization can be controlled by manipulating the crypto market. For example, a malicious player who manages to obtain a significant amount of tokens can artificially influence the price in the crypto market. This price manipulation can ultimately directly affect the validator selection process. A situation that will result in an imbalance in the distribution of power by disrupting the decentralized nature of PoS. That said, there are ways to mitigate its threats.

Ways to mitigate the risk of PoS centralization

There are crypto strategies to mitigate centralization in the context of Proof of Stake (PoS) and ensure a robust blockchain ecosystem. Diversification of PoS mechanisms appears as the first mitigating measure.

You should know that each PoS mechanism has its strengths and weaknesses. In fact, by opting for various of these mechanisms, we can effectively counter the risk of excessive concentration of power. It is basically an approach aimed at balancing the dynamics of the network, which has the advantage of preventing a single mechanism from being positioned as the sole protection of the authentication process.

In addition to this option, a second solution is also possible. It consists in improving the management of blockchains. Indeed, strong and well-articulated governance can play a major role in reducing the influence of verifiers. In particular, by setting strict rules for crypto through effective governance mechanisms. These make it possible to control the concentration of tokens and prevent improper collusion. Improved governance thus becomes a necessary shield against centralization, as it provides a structured framework for regulating the actions of participants. This ultimately makes it possible to avoid undue consolidation of power.

Finally, there is a final strategy that involves lowering the barriers to entry for validators. And this, for example, by simplifying the process of connecting to the network. This option significantly reduces the concentration of power. This can be achieved by reducing the cost of participating in the network, freeing up access or simplifying the administrative procedures to become a validator. By removing these barriers, we actually encourage more democratic participation.


Broadly speaking, the bottom line is that Proof of Stake (PoS) offers significant advantages in cryptocurrency, such as increased energy efficiency and a fairer distribution of decision-making power. However, this mechanism raises concerns about its tendency to lead to undue centralization. This is coupled with the risks of concentration of validators, collusion and manipulation of the crypto market, which threaten the integrity of blockchains. These threats can be mitigated by working to diversify PoS mechanisms, strengthen blockchain governance, and lower entry barriers for validators. A combination of these approaches can significantly increase the level of robustness of the PoS ecosystem by its true decentralization.

Maximize your Cointribune experience with our “Read and Earn” program! Earn points for every article you read and get access to exclusive rewards. Register now and start reaping the benefits.

A graduate of Sciences Po Toulouse and holder of the blockchain consultant certification issued by Alyra, I joined the Cointribune adventure in 2019. Convinced of the potential of blockchain to transform many sectors of the economy, I made a commitment to raise awareness and inform the general public about this ever-evolving ecosystem. My goal is to enable everyone to better understand blockchain and take advantage of the opportunities it offers. Every day I try to provide an objective analysis of current events, decipher market trends, convey the latest technological innovations and put into perspective the economic and social problems of this ongoing revolution.


The comments and opinions expressed in this article are solely those of the author and should not be considered investment advice. Before making any investment decision, do your own research.

Leave a Comment