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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
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