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Proactive defense

for web3 wallets

Blowfish’s browser extension works with your crypto wallet to protect you from fraud & theft. Mint, transfer, swap and stake without fear because we’ve got your back.

Get started

Available on Ethereum, Polygon, Solana and more soon!

Since our beta in

April 2022

207m

Txns Scanned

18k

Scams prevented

Give your users peace-of-mind

Protect your users against malicious transactions

Decrease churn and negative reviews

Eliminate thousands of support tickets

> Analyzing transaction...

> Malicious contract detected

> 42.02 ETH at risk

> Flagging Transaction

Blowfish security engine

This transaction will steal your assets

Proceed anyway

Cancel

Example Wallet UI

Claim NFT

> Analyzing transaction...

> Malicious contract detected

> 42.02 ETH at risk

> Flagging Transaction

Blowfish security engine

This transaction will steal your assets

Proceed anyway

Cancel

Example Wallet UI

Claim NFT

> Analyzing transaction...

> Malicious contract detected

> 42.02 ETH at risk

> Flagging Transaction

Blowfish security engine

This transaction will steal your assets

Proceed anyway

Cancel

Example Wallet UI

Claim NFT

"Blowfish has helped us protect thousands of our users from malicious scams & fraud. Their API is easy to use & reliable. We’ve partnered with them because we trust their ability to continue building a great product that stays one step ahead of scammers."

Francesco Agosti

Phantom CTO

We have everything you need to keep your users safe

Powerful Fraud Detection Engine

We use transaction analysis and machine learning to detect fraud from multiple angles

Continually Evolving

Our fraud detection engine learns faster than scammers can shapeshift

Multi-Chain Support

Protect users on Ethereum, Polygon and Solana, with more chains coming soon

Backed by

DRAGONFLY

Labs Ventures

HYPERSPHERE

QUICK AND SIMPLE INTEGRATION

Protect your users and stop scams before they hit the chain

Get started

Read the docs

QUICK AND SIMPLE INTEGRATION

Protect your users and stop scams before they hit the chain

Get started

Read the docs

QUICK AND SIMPLE INTEGRATION

Protect your users and stop scams before they hit the chain

Get API Key

Read the docs

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