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Supra Containers as Appchains for Efficient Parallel Execution of Transactions

Published in , 2024

By definition, app-chains expect isolation to efficiently serve specific use cases. Currently, Layer 2s, Avalanche’s Subnets, Polkadot’s Parachains, and Cosmos Zones are commonly used solutions to host app-chains. We observe that in an ecosystem with a high throughput Layer 1 blockchain, it is sufficient to offer this isolation at the application layer via namespaces. We observe that most of the times smart contracts come bundled as they compose and call amongst this bundle. Hence, on Supra, app-chains are offered as Supra Containers, which group smart contracts into namespaces, disallowing atomic function calls across containers. This container abstraction lends itself naturally to the parallel execution of transactions in batches derived from different containers, as transactions belonging to batches of two different containers are non-conflicting. Through experimentation, we demonstrate the performance impact of Supra’s containerized parallel execution by comparing it against Aptos’ BlockSTM and Solana’s SeaLevel techniques at various parameters.

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