Immunefi vs Blowfish

Which is better in 2026? We compare Immunefi and Blowfish side by side — pricing, features, pros & cons — so you can choose the right Security & Audit tool.

🏆 Immunefi has the higher rating (4.6/5)

🏆 Higher Rated

Immunefi

★4.6

The largest Web3 bug bounty platform. $175M+ paid to whitehats. Hosts bounties for Wormhole, Polygon, MakerDAO, and more. Find vulnerabilities, get paid.

PricingFree

CategorySecurity & Audit

Rating4.6/5

Visit Immunefi →Full profile Immunefi alternatives →

Blowfish

★4.3

Transaction security provider that simulates and warns about dangerous transactions before signing. Integrated into wallets like Phantom and Backpack.

PricingFree

CategorySecurity & Audit

Rating4.3/5

Visit Blowfish →Full profile Blowfish alternatives →

Feature Comparison

Feature	Immunefi	Blowfish
Transaction simulation	—	✓
Malicious transaction detection	—	✓
Wallet integration	—	✓
Multi-chain support	—	✓
Real-time warnings	—	✓

Pricing Comparison

Immunefi

Free

Completely free to use with no paid tiers.

View pricing →

Blowfish

Free

Completely free to use with no paid tiers.

View pricing →

Pros & Cons

Immunefi

Blowfish

👍 Pros

+Integrated into major wallets
+Catches malicious transactions
+Real-time protection
+Free for users

👎 Cons

−Backend service (not standalone)
−Can block legitimate transactions
−Dependent on wallet integration

Users also compared

Immunefi vs Etherscan

Security & Audit

Immunefi vs Revoke.cash

Security & Audit

Immunefi vs Rugcheck

Security & Audit

Immunefi vs CertiK

Security & Audit

Get the best onchain tools in your inbox every week

Join traders and DeFi users who discover new crypto tools, strategies, and alpha every week. Free, no spam.

No spam. Unsubscribe at any time.