# Sei: The Layer 1 for Trading Content type: Research Paper Summary: Sei is presented as a sector-specific Layer 1 blockchain optimized specifically for the needs of decentralized finance (DeFi) and high-frequency trading applications. Recognizing that trading platforms require low latency and high reliability, the Sei whitepaper introduces an integrated order-matching engine and a parallelized processing architecture. By optimizing the consensus protocol for frequent state updates, Sei minimizes the time to finality, a critical requirement for market-making and Key concepts: Jayendra Jog, Jeff Feng, Dan Edlebeck, defi, trading, layer 1, consensus, latency, order-matching
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Sei: The Layer 1 for Trading

Jayendra Jog, Jeff Feng, Dan Edlebeck

Project WhitepaperJanuary 2023

Abstract

Sei is presented as a sector-specific Layer 1 blockchain optimized specifically for the needs of decentralized finance (DeFi) and high-frequency trading applications. Recognizing that trading platforms require low latency and high reliability, the Sei whitepaper introduces an integrated order-matching engine and a parallelized processing architecture. By optimizing the consensus protocol for frequent state updates, Sei minimizes the time to finality, a critical requirement for market-making and order-book stability. The architecture includes a native matching engine that replaces the need for external smart contract-based order books, thereby reducing gas overhead and slippage. The paper highlights the protocol's ability to handle high order volume through a combination of fast consensus and optimized transaction ordering. This document is significant for its application-specific approach to blockchain design, suggesting that general-purpose L1s may face limitations in highly competitive trading environments.

Key Findings

  • 1Optimized as a domain-specific L1 for trading and DeFi.
  • 2Features a native order-matching engine.
  • 3Utilizes parallel processing to handle high transaction volumes.
  • 4Achieves sub-second finality essential for market makers.

Topics

defitradinglayer 1consensuslatencyorder-matching
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Citation

Jayendra Jog, Jeff Feng, Dan Edlebeck (2023). Sei: The Layer 1 for Trading. Project Whitepaper. https://github.com/sei-protocol/sei-chain/blob/master/whitepaper/Sei_Whitepaper.pdf

BibTeX

@misc{seithe2023,
  title = {Sei: The Layer 1 for Trading},
  author = {Jayendra Jog and Jeff Feng and Dan Edlebeck},
  year = {2023},
  howpublished = {\url{https://github.com/sei-protocol/sei-chain/blob/master/whitepaper/Sei_Whitepaper.pdf}},
}

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