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Introduction

Welcome to the official documentation for Rebar Shield — the private transaction relay service that connects you directly to Bitcoin mining pools.

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What is Shield?​

Shield is a specialized RPC service that allows Bitcoin transactions to be submitted directly to mining pools, bypassing the public mempool. This creates a private channel for transaction delivery that enhances privacy and eliminates the risk of frontrunning or other MEV-related attacks.

Key Benefits​

Direct Mining Pool Access
Transactions are delivered directly to mining pools without exposing them to the public mempool

MEV Protection
Eliminates opportunities for frontrunning and other malicious activity

Metaprotocol Support
Particularly valuable for BRC-20s, Runes, and other Bitcoin metaprotocols

Bitcoin RPC compatible
Uses the familiar Bitcoin Core JSON-RPC format

Technical Details​

Shield provides a secure transaction relay service with:

  • Bitcoin Core compatible JSON-RPC API
  • Fee-based transaction submission
  • Direct mining pool integration
  • Transaction validation and tracking
  • Secure and private relay channels

Shield currently supports Bitcoin mainnet only. This service is actively being developed and may be subject to changes as we continue to improve the product.

Note: Shield currently supports Bitcoin mainnet only. This service is actively being developed and may be subject to changes as we continue to improve the product.

Who Should Use Shield?​

  • Protocol developers building on Bitcoin
  • Projects using Bitcoin metaprotocols like BRC-20s or Runes
  • Layer 2 solutions requiring MEV protection
  • Applications needing private transaction submission
  • Mining pools looking to capture additional fee revenue