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Bridging BRC-20 to Ethereum

Qin Wang, Guangsheng Yu, Shiping Chen

TL;DR

This paper design, implement, and (partially-) evaluate a lightweight bridge to connect the Bitcoin and Ethereum networks that were heterogeneously uncontactable before.

Abstract

In this paper, we design, implement, and (partially-) evaluate a lightweight bridge (as a type of middleware) to connect the Bitcoin and Ethereum networks that were heterogeneously uncontactable before. Inspired by the recently introduced Bitcoin Request Comment (BRC-20) standard, we leverage the flexibility of Bitcoin inscriptions by embedding editable operations within each satoshi and mapping them to programmable Ethereum smart contracts. A user can initialize his/her requests from the Bitcoin network, subsequently triggering corresponding actions on the Ethereum network. We validate the lightweight nature of our solution and its ability to facilitate secure and seamless interactions between two heterogeneous ecosystems.

Bridging BRC-20 to Ethereum

TL;DR

This paper design, implement, and (partially-) evaluate a lightweight bridge to connect the Bitcoin and Ethereum networks that were heterogeneously uncontactable before.

Abstract

In this paper, we design, implement, and (partially-) evaluate a lightweight bridge (as a type of middleware) to connect the Bitcoin and Ethereum networks that were heterogeneously uncontactable before. Inspired by the recently introduced Bitcoin Request Comment (BRC-20) standard, we leverage the flexibility of Bitcoin inscriptions by embedding editable operations within each satoshi and mapping them to programmable Ethereum smart contracts. A user can initialize his/her requests from the Bitcoin network, subsequently triggering corresponding actions on the Ethereum network. We validate the lightweight nature of our solution and its ability to facilitate secure and seamless interactions between two heterogeneous ecosystems.
Paper Structure (18 sections, 4 figures, 2 tables)

This paper contains 18 sections, 4 figures, 2 tables.

Table of Contents

  1. Introduction
  2. Before Construction
  3. Building Blocks
  4. Concurrent Solutions
  5. Threat Model and Assumption
  6. Middleware Construction
  7. Technical Challenges
  8. Warm-up Construction
  9. Detailed Construction
  10. Implementation
  11. Basic Operations
  12. Algorithms
  13. Use Case
  14. Evaluation and Analysis
  15. Performance Analysis
  16. ...and 3 more sections

Figures (4)

  • Figure 1: System overview
  • Figure 2: Evaluation on scalability
  • Figure 3: Evaluation on gas consumption for finalization
  • Figure 4: Evaluation on different numbers of inter blocks