Breakpoint 2024: Fireside: WTF Is MEV and Why Should We Care?

MEV, or Maximal Extractable Value, is a hot topic in the Solana ecosystem. At Breakpoint 2024, industry experts Zano Sherwani from Jito and Ben Coverston delve into this complex subject, revealing its potential to become a multi-billion dollar sector in DeFi over the next decade.

Summary

Maximal Extractable Value (MEV) is an intrinsic property of blockchain systems, particularly those with rotating block proposers like Solana and Ethereum. It refers to the value that can be extracted by controlling the ordering of transactions within a block. While often viewed negatively, MEV is not inherently malicious but rather a natural occurrence in blockchain systems.

The discussion highlights the current state of MEV on Solana, with approximately half a billion dollars in MEV generated for the network. This figure is expected to grow significantly in the coming years. The experts emphasize the importance of optimizing user experience and pricing in the face of MEV, suggesting that decentralized exchanges should aim to be as competitive as centralized ones.

The role of stakers in mitigating negative MEV practices is explored, with a call for increased vigilance and alignment with validators who prioritize user benefits. The speakers also touch on potential future developments, including proposals for multiple concurrent block proposals and atomic account coordination (AAC) execution, which could help address some of the challenges posed by MEV.

Key Points:

Understanding MEV

MEV, or Maximal Extractable Value, is an inherent characteristic of blockchain systems where block proposers have the power to capture value by controlling transaction ordering. This can manifest in various ways, such as snatching up all NFTs in a mint or manipulating market trades. While MEV is often perceived negatively, it's not necessarily malicious but rather a natural consequence of how blockchains operate.

The experts argue that instead of trying to eliminate MEV entirely, the focus should be on improving user experience and ensuring fair pricing. This approach aims to make decentralized exchanges as competitive as their centralized counterparts, providing users with the best possible execution prices for their trades.

The State of MEV on Solana

Currently, Solana is experiencing about half a billion dollars in MEV generation for the network. This figure, while substantial, is considered a lower bound and is expected to grow significantly in the coming years. As Solana continues to attract more users and see exciting developments, the MEV sector within DeFi is projected to become a multi-billion dollar industry over the next decade.

The discussion highlights how validators on Solana have realized the value of transaction information they receive before it lands on the chain. Some validators pass this information to "searchers" who bid on MEV opportunities, competing to return the most value to validators and stakers.

The Role of Stakers in MEV Mitigation

Stakers play a crucial role in the Solana ecosystem and have the power to influence network behavior through their staking choices. The experts emphasize the importance of stakers being aware of the validators they're supporting and ensuring alignment with their values. By staking to validators who prioritize user benefits and avoid malicious practices like transaction leaking and sandwiching, stakers can contribute to a healthier network ecosystem.

Stake pools are highlighted as a solution for retail stakers who may not have the resources to monitor validators closely. These pools take on the responsibility of vetting validators and ensuring they align with specific goals, whether that's maximizing yield or prioritizing ethical practices.

Future Developments and Solutions

The discussion touches on several potential developments that could address MEV-related challenges in the future. Multiple concurrent proposal systems are mentioned as one possibility. However, the experts seem most excited about Atomic Account Coordination (AAC) execution, which they believe could be a significant improvement over Solana's current block propagation system.

Other potential solutions include developing better decentralized exchanges with improved mechanism designs, such as order books or request-for-quote systems, which could make it harder to front-run trades. The experts also mention the possibility of reducing slot times to as low as 20 milliseconds, which could enhance censorship resistance and make the network more competitive with centralized exchanges.

Facts + Figures

• Solana is currently generating about half a billion dollars in MEV for the network
• MEV is expected to become a multi-billion dollar sector in DeFi over the next decade
• Some validators on Solana pass transaction information to "searchers" who bid on MEV opportunities
• Staking is described as "exciting" due to its potential to influence network behavior
• Proposals are being discussed to reduce Solana's slot times to as low as 20 milliseconds
• The Firedancer team is working on significantly reducing slot times on Solana
• Solana's block propagation through Turbine is seen as a step-function improvement over previous networks
• The Solana validator community is praised for its ability to coordinate globally during network outages
• Multiple concurrent proposals and atomic account coordination (AAC) execution are being explored as potential solutions to MEV-related issues
• Better decentralized exchange designs, such as order books or RFQ systems, are suggested as application-layer solutions to MEV

Top quotes

1. "MEV is a naturally occurring property of blockchains and any system that requires consensus on the sequencing of events as they happen."
2. "Over the next decade, I expect this to be a multi-billion dollar sector in DeFi."
3. "As a staker, if you believe that certain activities are malicious, then you should not stake to validators or stake pools that allow that specific type of activity."
4. "If you're trying to actually ensure long-term prosperity on the network, you actually want to engage in behavior that benefits your users."
5. "I think Solana's got some of the best validator operators in the ecosystem, or across crypto period."
6. "This is a conscious trade-off of decentralization. In the centralized world, we solve a lot of these problems with things like law and regulation."
7. "Part of the value proposition of decentralized networks is we actually solve these problems without having to trust anyone."
8. "I think some combination of lowering slot times and hopefully in the future figuring out a mechanism that at least in my opinion, I like multiple concurrent proposals a lot in my opinion."

Questions Answered

What is MEV and why is it important?

MEV, or Maximal Extractable Value, is an intrinsic property of blockchain systems where block proposers can capture value by controlling transaction ordering. It's important because it affects user experience, pricing, and the overall efficiency of decentralized markets. Understanding MEV is crucial for developing more competitive and fair decentralized financial systems that can rival centralized exchanges.

How much MEV is currently generated on Solana?

According to the experts in the video, Solana is currently generating about half a billion dollars in MEV for the network. However, this figure is considered a lower bound, and the actual amount could be higher. The MEV sector on Solana is expected to grow significantly, potentially becoming a multi-billion dollar industry within the next decade as the network continues to attract more users and develop new features.

What role do stakers play in mitigating negative MEV practices?

Stakers have a significant role in mitigating negative MEV practices by being vigilant about which validators they support. By choosing to stake with validators who prioritize user benefits and avoid malicious practices like transaction leaking and sandwiching, stakers can influence network behavior. Stake pools are recommended for retail stakers as they take on the responsibility of monitoring validators and ensuring alignment with specific goals, whether that's maximizing yield or maintaining ethical practices.

What are some potential solutions to MEV-related issues on Solana?

Several potential solutions to MEV-related issues on Solana are being explored. These include:

1. Multiple concurrent proposal systems
2. Atomic Account Coordination (AAC) execution
3. Developing better decentralized exchanges with improved mechanism designs
4. Reducing slot times to as low as 20 milliseconds
5. Implementing order book or request-for-quote systems at the application layer

These solutions aim to enhance censorship resistance, improve transaction ordering fairness, and make the network more competitive with centralized exchanges.

How does MEV affect user experience on Solana?

MEV can significantly impact user experience on Solana, particularly in trading scenarios. Negative MEV practices like sandwiching can result in users getting filled at the worst possible prices, creating an inefficient market. This can drive users away from the network if not addressed. The experts emphasize the importance of optimizing for the best user experience, which includes ensuring users get fair pricing and efficient trade execution comparable to centralized exchanges.