SupraSTM Introduces Conflict-Aware Parallel Execution for Blockchain Scalability

Key takeaways:

• SupraSTM leverages a Bytecode Analyzer to prevent execution conflicts in advance, eliminating costly transaction retries.
• The system’s conflict-aware scheduler optimizes transaction sequencing, achieving up to a 2.4x speed increase over existing parallel execution models.
• Under ideal conditions, SupraSTM could process over 410,000 TPS, significantly improving blockchain scalability.

A new approach to parallel execution in blockchain

Supra, a fully integrated Layer 1 blockchain with MultiVM support, has introduced SupraSTM, a novel approach to parallel execution that enhances Ethereum Virtual Machine (EVM) transaction processing. The research paper, "Access Specification Aware Software Transactional Memory Techniques for Efficient Execution of Blockchain Transactions", outlines how SupraSTM improves scalability and efficiency by eliminating unnecessary transaction retries—an issue that affects existing parallel execution models like pEVM (Parallel Ethereum Virtual Machine) and Aptos’ BlockSTM.

"This research is a key milestone in Supra’s mission to redefine blockchain capability. We are solving fundamental Web3 challenges by integrating superior execution models directly into our Layer 1 blockchain. With SupraSTM’s progress in scaling the EVM on Supra, we are taking another significant step toward a truly scalable and efficient decentralized future."
—Joshua Tobkin, CEO and Co-Founder of Supra

Speed-Running the EVM (Ethereum Virtual Machine) with SupraSTM: a 400% Improvement on Sequential Execution of (EVM) Transactions 🚀

What if Ethereum could execute transactions 4× faster? What if execution barely slowed down, even under congestion?

That’s exactly what Supra is… pic.twitter.com/SZS6x14u8Z

— Supra (@SUPRA_Labs) February 25, 2025

How SupraSTM addresses parallel execution challenges

Traditional Layer 1 blockchains, such as Ethereum, execute transactions sequentially, ensuring accuracy but creating bottlenecks during high network congestion. Parallel execution models like Aptos’ BlockSTM attempt to solve this by running transactions simultaneously, assuming minimal conflicts. However, when conflicts arise, these models must abort and re-execute transactions, causing inefficiencies.

SupraSTM introduces a Bytecode Analyzer that predicts and prevents conflicts before execution begins. Instead of relying on speculative execution, SupraSTM organizes transactions into a conflict-aware sequence, allowing only non-conflicting transactions to run in parallel.

This approach delivers:

• Up to 2.4x faster execution compared to existing parallel execution models in high-conflict environments.
• A 400% increase in throughput over traditional sequential EVM execution.
• The potential to process over 410,000 transactions per second, far exceeding Ethereum’s current capabilities.

Unlocking new possibilities for Web3 adoption

The efficiency gains from SupraSTM extend beyond speed improvements. By reducing gas fees and improving stability under high demand, the system enhances blockchain applications across multiple industries:

• DeFi protocols can execute high-frequency trades with lower latency.
• NFT marketplaces can handle large mints without network congestion.
• Blockchain gaming and metaverse applications benefit from seamless real-time interactions.

By integrating SupraSTM into its Layer 1 infrastructure, Supra is setting a new standard for transaction execution, making decentralized applications more scalable and cost-effective.

The bottom line

SupraSTM represents a significant evolution in blockchain execution models, offering a conflict-aware, rollback-free approach to parallel processing. With ongoing research into machine learning-driven execution strategies and adaptive transaction scheduling, Supra is positioning itself at the forefront of blockchain scalability, ensuring its platform remains efficient under all network conditions.

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