Shield Overview

Rebar 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.

Key Benefits

• Direct 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

• Layer 2 Security: Enhances security for transactions related to Bitcoin Layer 2 solutions

• Bitcoin Core 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.

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