Bitcoin, Ethereum, Solana: Who Is Really the Most Decentralized?

What are the actual levels of decentralization for Bitcoin (BTC), Ethereum (ETH), and Solana (SOL)? What are their respective strengths and weaknesses against centralization risks? A joint study by ARK Invest and Glassnode attempts to answer these questions by comparing the three major blockchain networks across a variety of criteria. Here is a summary of what the analysis says and what it implies for investors. The article Bitcoin, Ethereum, Solana: Who Is Really the Most Decentralized? first appeared on Cryptoast.

Decentralization in the crypto ecosystem is often viewed simplistically, yet it remains a complex and multidimensional reality. A joint study by ARK Invest and Glassnode offers a rigorous comparative analysis of Bitcoin, Ethereum and Solana, evaluating their structure through four fundamental pillars: auditability, security, governance, and asset distribution. Rather than categorizing these networks in binary terms, the report highlights that each blockchain adopts distinct technical trade-offs, addressing the famous trilemma between decentralization, security, and scalability.

Auditability, defined by a user's ability to self-validate transactions, reveals major technological gaps. While Bitcoin remains the most accessible with limited hardware requirements, allowing individuals to operate a node at low cost, Solana is characterized by a very high barrier to entry. Its storage and computing power requirements necessitate investments totaling tens of thousands of dollars, effectively restricting network verification to professional entities.

Regarding security and governance, the networks exhibit diverging philosophies. While the Nakamoto coefficient indicates a theoretical concentration of power among a few major entities for all three blockchains, their decision-making models differ radically. Bitcoin prioritizes a cautious and informal conservatism, ensuring exemplary monetary stability. Ethereum relies on a slower but resilient multi-client coordination, whereas Solana opts for a proactive and centralized approach, enabling rapid updates at the cost of a more vertical governance structure.

Finally, token distribution confirms profound disparities. Bitcoin shows an organic and balanced distribution, the result of years of mining history. Conversely, Solana shows a significant concentration of units within massive wallets. This hierarchy of results highlights that decentralization remains a competitive advantage for networks prioritizing neutrality and censorship resistance, such as Bitcoin, while blockchains aiming for operational performance, such as Solana, deliberately accept trade-offs in decentralization to enhance scalability.