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FFlashbots Protect

The original and most-trusted private RPC — routes your tx through the Flashbots auction with MEV-Share back-run rebates.

Private RPCBy FlashbotsSince 2022
Type
Private RPC
How it works
Sends your transaction privately to the Flashbots block-building auction. MEV-Share selectively shares hints so searchers can bid to back-run it, sharing the profit with you.
Protects against
Frontrunning, sandwiching & failed-tx reverts
Rebates
90% of back-run MEV + gas-fee refunds
Chains
Ethereum
Setup
Add RPC rpc.flashbots.net to your wallet
Adoption*
2.1M+ accounts · $43B DEX volume shielded · 313 ETH refunded (Oct 2024)
By
Flashbots

* Dated snapshot (provider docs & public reports, 2026), not a live figure.

Best for

The conservative, battle-tested default.

Strengths

  • Most battle-tested private RPC
  • MEV-Share back-run rebates (90%) + gas refunds
  • Permissionless — no API key
  • Moving infra into TEEs for stronger security

Trade-offs

  • Ethereum mainnet only
  • Back-run-only sharing today
  • Adds a slight inclusion delay

Open Flashbots Protect →

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