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Private Swaps Comparison · 2026

Flashbots Protect vs MEV Blocker

Which is better in 2026? We compare Flashbots Protect and MEV Blocker side by side — pricing, features, pros & cons — so you can choose the right Private Swaps tool.

🏆 Flashbots Protect has the higher rating (4.4/5)
🏆 Higher Rated
F

Flashbots Protect

★4.4

Free RPC endpoint from Flashbots that sends transactions directly to block builders, bypassing the public mempool to prevent frontrunning and sandwich attacks.

PricingFree
CategoryPrivate Swaps
Rating4.4/5
Visit Flashbots Protect →Full profileFlashbots Protect alternatives →
M

MEV Blocker

★4.3

Free RPC endpoint by CoW Protocol that protects Ethereum transactions from frontrunning and sandwich attacks. Users get rebates from backrunning.

PricingFree
CategoryPrivate Swaps
Rating4.3/5
Visit MEV Blocker →Full profileMEV Blocker alternatives →

Feature Comparison

FeatureFlashbots ProtectMEV Blocker
Private transaction pool✓—
Frontrunning protection✓✓
Fast inclusion mode✓—
Revert protection✓—
Builder network access✓—
Sandwich attack protection—✓
Backrun rebates—✓
Easy RPC setup—✓
Works with any wallet—✓

Pricing Comparison

Flashbots Protect

Free

Completely free to use with no paid tiers.

View pricing →

MEV Blocker

Free

Completely free to use with no paid tiers.

View pricing →

Pros & Cons

Flashbots Protect

👍 Pros

  • +Free to use
  • +From the Flashbots team
  • +No failed transaction costs
  • +Easy wallet integration

👎 Cons

  • −Ethereum only
  • −Transactions may be slightly slower
  • −Limited to supported builders

MEV Blocker

👍 Pros

  • +Free to use
  • +Rebates from backrunning
  • +Simple RPC swap in wallet
  • +Broad wallet compatibility

👎 Cons

  • −Ethereum only
  • −Slight delay on transactions
  • −Rebates vary

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