How Merkle (Blink) and Flashbots Protect differ on type, protection, rebates and what they’re built for.
| Merkle (Blink) | Flashbots Protect | |
|---|---|---|
| Type | Private RPC | Private RPC |
| How it works | The Merkle Private Pool routes order flow privately; “Blink” packages it as MEV protection that wallets and RPC providers can embed and monetize. | 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 & sandwich attacks | Frontrunning, sandwiching & failed-tx reverts |
| Rebates | Revenue share for integrating wallets | 90% of back-run MEV + gas-fee refunds |
| Chains | Ethereum, BSC, Polygon, Base, Arbitrum, Solana | Ethereum |
| Setup | Use Merkle/Blink RPC or integrate as a wallet | Add RPC rpc.flashbots.net to your wallet |
| Best for | Wallets & RPC providers | The conservative, battle-tested default |
Pick Merkle (Blink) for wallets & rpc providers; pick Flashbots Protect for the conservative, battle-tested default.