Suave: A new tool to improve Ethereum transaction processing efficiency

Recently, Suave, a new feature launched by Flashbot, the most active MEV organization on ETH, has attracted widespread attention in the industry. This article will provide a detailed explanation of the concept of Suave and explore its structured relationship with Ethereum.

In recent years, Ethereum has achieved great success in the field of blockchain, but faces challenges from malicious MEV. To address these issues, the Flashbot team proposed Suave, and this article will delve into the principles, workflows, and relationships between Suave and Ethereum.

Problems with MEV

Currently, MEV faces some key issues in the blockchain ecosystem. Firstly, many innovative measures targeting MEV have led to varying degrees of centralization.

MEV-Boost, a past solution, allowed the work of block-building to be outsourced, but indirectly led to new centralization issues: because most block-builders and relayers, due to the Matthew effect, theoretically have control over most transactions, this centralization phenomenon poses a challenge to the decentralization principle of blockchain.

In addition, currently, MEV is concentrated on Ethereum and is not very compatible with multi-chain, which makes cross-chain MEV less flexible. Therefore, we urgently need a solution to provide stronger interoperability.

Why do we need Suave?

In view of the existence of MEV problems, the introduction of Suave has become a necessary step. The goal of Suave is to further inject decentralized mechanisms into the process of MEV extraction. Why do we need to do this? After all, MEV-Boost has tried to separate the roles of block-building and proposal to achieve a greater degree of decentralization.

However, interestingly, many innovative measures aimed at alleviating MEV problems have instead led to varying degrees of centralization. Although MEV-Boost separates the roles of block-building and proposal, it indirectly becomes a channel for centralization because most block-builders and relayers are built by the same small group of participants.

Therefore, the introduction of Suave is inevitable. Suave attempts to address this challenge by implementing a plug-and-play memory pool and decentralized block builder’s new architecture. Although Suave is not a general-purpose smart contract blockchain, its concept is very ambitious.

First, Suave aims to create a universal ordering layer between different blockchain runtimes to achieve cross-chain MEV. In addition, a universal memory pool model enables different parties to express different views on MEV opportunities, creating a richer environment than centralized block builders.

What is Suave?

Suave stands for the Single Unifying Auction for Value Expression. It is a feature being launched by the Flashbots team that aims to provide a more efficient and composable way of processing Ethereum transactions. It is defined as a framework for structured transactions that improves transaction efficiency and predictability by optimizing the order in which transactions are executed.

Suave’s Principles and Architecture

The core principle of Suave is to maximize transaction efficiency and composability by splitting and rearranging transactions in Ethereum blocks. Specifically, Suave uses a data structure called a “transaction pool” to manage and organize pending transactions. The transaction pool is a key component of Suave, responsible for collecting and storing pending transactions.

Suave uses preprocessing techniques to analyze transactions and identify important features and dependencies that may exist. Then, based on these features and dependencies, Suave optimizes the order in which transactions are executed to reduce conflicts and duplicate calculations, thus improving overall transaction processing efficiency.

Suave’s design is intended to make transactions more coordinated and composable. By processing transactions structurally, Suave provides a more flexible and efficient way of executing transactions for the Ethereum network. Suave’s architecture is a pluggable component that is independent of ETH.

First, let’s explain why Suave is “single”. Suave aims to provide a unified auction platform that allows various types of value expression to be auctioned on the same platform. Traditionally, different types of auctions often require different platforms or mechanisms, leading to a fragmented auction process and a barrier between different types of value expression. By providing a single auction mechanism, Suave makes it possible for various types of value expression to interact and auction on the same platform, thus achieving unity.

Secondly, Suave is “unifying”. By providing a unified auction mechanism, it integrates various types of value expression into a unified framework. This means that both traditional auction forms, emerging cryptocurrency markets, and even MEV (Maximize Execution Value) markets can use Suave for auctions. Suave’s design enables different market participants to express and exchange value in a unified way on the same platform.

How does Suave’s auction process work? Specifically, Suave uses an auction mechanism in which participants can express their interest and willingness to pay for a certain value through bidding. Suave’s auction mechanism ensures a fair and efficient bidding process and distributes value based on participants’ bidding conditions.

Suave not only provides auction functions but also provides mechanisms and channels for expressing value. Participants can use Suave to express their interest and demand for a certain value, such as bidding for a digital asset in an auction or participating in a market transaction. Suave provides a platform for participants to express value and converts these value expressions into actual transactions and allocation processes through the auction mechanism.

What effects will Suave’s successful achievement of its design goals have? First, Suave’s existence will provide a unified auction platform, which offers a centralized market for different types of value expressions. This will promote the flow and exchange of various values and increase market efficiency and liquidity.

For the MEV market, Suave’s impact may be more significant. MEV refers to the behavior of profiting from manipulating the transaction order on the blockchain. Suave, as an auction platform, can provide an open and transparent bidding process for MEV participants, thereby reducing unfair behavior and manipulation opportunities. Through Suave, the value of MEV can be fairly distributed through bidding, increasing market transparency and fairness.

Suave’s Workflow

Suave’s workflow includes the following key steps:

1. Transaction preprocessing: Suave first preprocesses the transactions to identify important features and dependencies that may exist. By analyzing smart contract code and the relationships between transactions, Suave can better understand the dependencies between transactions and provide a basis for sorting transactions in subsequent steps.

2. Transaction sorting: Based on the preprocessing results, Suave optimizes the execution order of transactions to maximize efficiency and composability. This step is the core part of Suave. By arranging the execution order of transactions reasonably, Suave can reduce duplicate calculations and conflicts, thereby improving the overall efficiency of transaction processing.

3. Result verification: After sorting the transactions, Suave verifies the correctness and validity of the transactions. By executing transactions and verifying their results, Suave ensures that each transaction is executed as expected and does not produce abnormal or erroneous results.

4. Transaction Execution: Finally, Suave executes the transactions in the sorted order and returns the execution results to the corresponding participants. By proper transaction sorting and result validation, Suave ensures that the transactions can be executed efficiently and accurately, and that the participants receive the correct execution results.

Suave’s Structured Relationship with Ethereum

Suave has a close relationship with the architecture of Ethereum by providing a structured way of processing transactions. Ethereum, as a smart contract platform, involves a large number of transactions and contract executions. The introduction of Suave makes transaction processing more efficient, predictable, and also provides greater flexibility and scalability for Ethereum developers.

Suave’s ability to optimize transaction execution order allows the Ethereum network to better deal with transaction congestion and high fees. Through structured transaction processing, Suave reduces conflicts and redundant calculations between transactions, improving the overall efficiency of transaction processing. This brings new opportunities for the development and innovation of the Ethereum ecosystem.

Suave’s Advantages and Applications

Suave brings many advantages and use cases, including:

1. Efficient processing: Suave improves transaction processing efficiency by optimizing the execution order of transactions, reducing redundant calculations and conflicts. This is especially important for application scenarios that require a large number of transaction processing, such as decentralized exchanges, gaming applications, and financial transactions.

2. Composability: Suave’s structured transaction processing allows different transactions to work better together, providing more innovation and extension possibilities. For example, it supports different chains, such as Ethereum, Polygon, L2, etc. Developers can design and deploy complex smart contracts more flexibly through Suave, creating a richer variety of decentralized applications.

3. Predictability: Suave provides a more predictable transaction execution method, allowing developers to better control and plan the execution flow of their smart contracts. This helps to increase developers’ confidence in smart contracts and promote more secure and reliable application deployment.


The introduction of the Suave feature by the Flashbot team has further improved and optimized the MEV transaction processing of Ethereum. Suave’s introduction provides Ethereum with a more efficient, democratic, composable, and predictable transaction processing method.

By reading the detailed description of Suave above, we hope readers can deepen their understanding of Suave’s concepts, principles, and structured relationship with Ethereum. The launch of Suave provides new opportunities and challenges for the development and application of Ethereum. We believe that with the passage of time, Suave will further play its important role, promoting innovation and development of the entire blockchain industry.

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