Solana doesn’t have a complete consensus, researchers say

Researchers from the renowned ETH Zurich university in Switzerland have raised questions about the effectiveness of Solana’s “Proof of History” (PoH) consensus mechanism, one of the most valued cryptocurrencies this year.

The study, which marks the first detailed academic analysis of PoH, revealed worrying discrepancies between the theory and practice of the digital currency that promises to end Ethereum’s reign.

The researchers ran a series of tests on a local Solana testing network and found that they were unable to reach full consensus. Additionally, they identified discrepancies between the whitepaper, documentation, and running code, making it difficult to get a coherent view of how PoH works.

“In many places it was difficult for us to bring the differences between the white paper, documentation and code together into a coherent picture”say the researchers.

A key point in the investigation concerns an incident that occurred in September 2022, when Solana’s network suffered a significant outage that required centralized manual intervention to resolve the issue.

The incident, along with other perceived issues such as lock duplication due to configuration errors, highlights concerns about the robustness and reliability of the system.

While the researchers acknowledge that their research may be somewhat outdated, the findings raise questions about the effectiveness of PoH, especially compared to other blockchain systems such as Ethereum and Bitcoin, which have undergone numerous academic evaluations.

The discovery comes at a crucial time for Solana, which has suffered a 3.2% drop in the value of its cryptocurrency as Ethereum, often compared to Solana, continues to expand and gain strength.

“We evaluated a series of experimental scenarios on a local Solana testnet. These tests appear to confirm our basic understanding that Solana does not reach full consensus.”they say.

This study from ETH Zurich provides a critical and academic perspective on Solana, which, despite being described by some as an “Ethereum killer,” has demonstrated vulnerabilities during periods of high tension in the cryptocurrency ecosystem.

Meanwhile, Ethereum has maintained and expanded its technical operation without significant disruption through new secondary layers (L2s) that add capacity while maintaining decentralization at the base layer.

The crypto community now has a formal academic document outlining the challenges facing the Solana blockchain, providing a new perspective for investors and developers as they evaluate the capabilities and limitations of emerging blockchain technologies.

Source: Live Coins