Block-STM vs. Sealevel: A Comparison of Parallel Execution Engines

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Block-STM and Sealevel are two approaches to parallelizing blockchain execution. This paper will examine and break down how both TPUs approach parallelization.

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Block-STM and Sealevel are antagonistic approaches to parallelizing blockchain execution. This paper will examine and break down how both TPUs approach parallelization at a relatively low level and evaluate their performance and scalability. It will also provide an unbiased evaluation of the strengths and weaknesses of each TPU.