The illusion of decentralization

By Adrià Roig

May 26, 2025, 3m read time

Recently, a decentralized exchange (DEX) operating on the SUI blockchain experienced a security breach. In response, the SUI team intervened by freezing the attacker’s wallet. While this action prevented further damage, it also highlighted a critical issue:

If a blockchain can unilaterally freeze assets, is it truly decentralized?

This incident underscores the tension between centralization and the foundational principles of blockchain technology.

Centralization: a double-edged sword

Centralized control can offer swift responses to threats, as seen with SUI. But this agility comes at a cost. When a central authority can unilaterally freeze assets, it raises concerns about censorship and the erosion of user autonomy.

Other blockchains exhibit varying degrees of centralization. And this isn’t just a detail, it’s a fundamental design flaw when the goal is decentralized finance:

  • Solana: Known for its high throughput, Solana has faced criticism for its validator concentration and past outages, raising questions about its decentralization.
  • Stellar: Employs a federated Byzantine agreement protocol, but studies have shown that the network’s consensus can be disrupted by disabling just a few key nodes, indicating centralization risks.
  • Ripple (XRP): Utilizes a consensus protocol that relies on a set list of validators, many of which are controlled by Ripple Labs, leading to debates about its decentralized nature.

These examples illustrate that centralization can introduce vulnerabilities, such as single points of failure and potential for censorship.

Centralization in enterprise applications

While decentralization is a cornerstone of blockchain ideology, centralization isn’t inherently negative. In certain contexts, it can be beneficial:

  • Supply chain management: Companies like Walmart have implemented private blockchains to enhance transparency and traceability in their supply chains.
  • Interbank settlements: Projects like JPMorgan’s Onyx and the Canton Network facilitate efficient and secure transactions between financial institutions.

In these scenarios, the controlled environment of a centralized blockchain aligns with regulatory requirements and operational needs.

The misalignment with decentralized finance

Decentralized Finance (DEFI) thrives on the principles of openness censorship resistance, and user sovereignty. Introducing centralization into DEFI undermines these principles:

  • User autonomy: Centralized control can undermine the self-sovereignty that DEFI aims to provide.
  • Censorship risks: Central authorities may restrict transactions or access, conflicting with DEFI’s open nature.
  • Single points of failure: Centralized control introduces vulnerabilities that can be exploited, threatening the security of the network.

For users genuinely seeking financial freedom, relying on centralized blockchains for DEFI is not only counterproductive, it’s contradictory. If you’re giving up control to a central authority, you might as well stick with your bank.

Conclusion: aligning technology with purpose

Centralized blockchains have their place in specific enterprise applications where control and compliance are paramount. However, for decentralized finance, which aims to eliminate intermediaries and empower users, centralization is a step backward. Users should critically assess the infrastructure of the platforms they engage with, ensuring alignment with the core values of decentralization.

If the goal is true financial autonomy, embracing fully decentralized platforms is essential. Otherwise, users are simply trading one centralized authority for another, without gaining any real advantage. If decentralization isn’t preserved, the tech becomes pointless.

FOHLE Finance. In your POCKET, under CONTROL.

About Adrià Roig

From industrial engineer to blockchain visionary, Adria is obsessed with revolutionizing the way the world thinks about finance. With a mission-driven mindset and product-first approach, he’s on a quest to make crypto human.

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