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February 5, 2025
Here is an article on why pruning is not currently considered a full solution for Ethereum:
The Ethereum Pruning Conundrum: Why It Remains an Open Concept
When we delve into the field of cryptocurrency scalability solutions, we come across a concept that is a source of debate among both developers and users: “pruning”. While it seems that pruning is now satisfactory, its practical implementation is still a matter of debate. In this article, we explore the reasons why pruning is not yet considered a full-fledged solution for Ethereum.
Scalability: A Complex Problem

The pursuit of scalability is a constant challenge in the cryptocurrency space. Bitcoin’s block size limit and transaction fees have been criticized for being too restrictive, as they affect the network’s ability to handle the increasing load of a growing user base. To solve this problem, developers are exploring various techniques, such as increased throughput through more complex consensus algorithms or novel architectures such as Ethereum 2.0. However, pruning is one of the concepts that could potentially play a key role in achieving greater scalability.
Simplified Payment Verification (SPV): A Crucial Component
Simplified Payment Verification (SPV) is an essential feature for any cryptocurrency wallet that allows users to verify transactions without having to download the entire blockchain. The SPV concept is based on the ability to generate a “clean” copy of the blockchain, which requires significant computational resources and advanced cryptographic techniques. Although some developers have made progress in implementing SPV, it is important to understand that pruning is still not a complete solution.
Why pruning is not done yet
There are several reasons why pruning remains an open concept:
- Complexity: Pruning is about more than just removing redundant data from the blockchain; it requires a deep understanding of the underlying architecture and computational complexity. Developers must balance the need for efficient storage with the requirement for accurate transaction verification.
- Scalability challenges: While pruning can reduce storage requirements, the primary goal is to improve block size management, not necessarily to increase throughput. Achieving seamless scalability through pruning remains a significant challenge.
- Lack of standardization: With numerous implementations and variants (e.g. sharding, off-chain transactions), it is difficult to establish a single, standardized approach to pruning that would be attractive to all stakeholders.
- Technological limitations: The current cryptographic algorithms and data structures used in pruning are not yet optimized for the specific requirements of the Ethereum blockchain.
Conclusion
Although pruning has proven to be a promising, scalable solution, its development is far from complete. The ongoing debate surrounding pruning highlights the need for continued research, experimentation, and collaboration among developers to address the underlying technical challenges. As Ethereum continues to evolve, it will be critical to prioritize scalability solutions that balance innovation and practical implementation.
In conclusion, the article emphasizes the importance of continued research and discussion of the pruning principle as a potential solution to Ethereum’s scalability problems.
