"The Merge is Done! Now What? - Cataloging, Classification, and the Future of Ethereum"

"The Merge is Done! Now What? - Cataloging, Classification, and the Future of Ethereum"

The recent completion of the Merge, Ethereum's transition from Proof of Work to Proof of Stake, marks a significant milestone for the blockchain community. With this switchover, Ethereum now operates on 99.5% less energy and boasts a 90% lower inflation rate. But what comes next? How can Ethereum continue to evolve and improve?

One key aspect of Ethereum's future lies in its ability to scale its computing capacity through the use of Sharding technology. Sharding allows Ethereum to increase its computing power without overburdening stakers. By splitting the database into multiple shards, Ethereum can process information using separate machines, known as "scaling out." However, maintaining security and composability while implementing sharding is still a topic of discussion within the Ethereum community.

To address the challenges associated with sharding, future Ethereum Improvement Proposals (EIPs) like EIP-4844 will likely provide insights and strategies for achieving a secure and scalable network. These proposals will play a crucial role in shaping Ethereum's future and ensuring its continued success.

Another critical consideration for Ethereum's future is the management of its state, the historical record of all transactions on the chain. As Ethereum grows and more data is added, maintaining access to the full state becomes increasingly expensive. To address this issue, Ethereum aims to move towards a stateless network validation system.

The core step towards achieving stateless network validation is the transition from the current Merkle-tree-based validation to a newer concept called "Verkle Trees." Verkle trees compress the data required to prove the validity of a block based on historical data, reducing the burden on validators. This shift towards stateless clients will enable the processing power to increase and the size of the historical record to expand without overwhelming the network.

Vitalik Buterin, the co-founder of Ethereum, explains the significance of Verkle Trees, stating that they can dramatically reduce the proof size. For example, in a traditional binary Merkle tree, proving the validity of a billion pieces of data would require about 1 kilobyte. However, in a Verkle tree, the proof size would be less than 150 bytes, making stateless clients viable in practice.

Furthermore, Ethereum intends to implement strategies like cutting down the length of historical data that execution clients need to maintain. By reducing the required data to one year instead of the full history, Ethereum can streamline the network's performance and improve efficiency.