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Cosigner

Validate every transaction and never sign blindly again

$2B has been lost to blind signing. Add an automated security check to prevent losses, even when devices have been compromised.

Blockaid Cosigner
Trusted to protect 180M+ web3 transactions every month
Kraken Light BG
Safe Light BG
Uniswap Light BG
Coinbase Light BG
Fireblocks Light BG
OKX Light BG

4+ billion

transactions scanned

71M

attacks prevented

$100+ billion

funds protected

Protection beyond multisig approval

Add an automated security check to protect against UI spoofing, compromised signers, supply chain attacks, social engineering, and more.

Integration

Validate every transaction initiated by your multisig or institutional wallet

Blockaid Cosigner Integration

Cosigner integrates with your existing infrastructure to automatically verify transactions before final signature.

Safe
Fireblocks
AND MORE

Engine

Expose the hidden threats in every transaction

Blockaid Cosigner Engine

Protect against UI spoofing, compromised signers, supply chain attacks, and more. Blockaid enables you to block malicious transactions even with signer approval.

Analysis

Gain an in-depth understanding of every transaction

Blockaid Cosigner Analysis

Track every validation check and decision with detailed documentation.

Network

Powered by the largest network of web3 interfaces

Blockaid is directly integrated with the most used web3 wallets and interfaces. Our system sees more data and is able to block more threats.

blockaid network mobile

Battle-tested and proven at scale

Coinbase Light BG

Integrating Blockaid helped evolve and improve onchain security for our users. By supporting safety on Ethereum Mainnet as well 6+ other EVM chains such as Base, Optimism, and Polygon, we have been able to improve both UX and safety for Coinbase Wallet users. Getting security right is critical for bringing one billion people onchain.

Chintan Turakhia

Senior Director, Engineering at Coinbase

Zerion Light BG

The quality of Blockaid's product is second to none. They have helped us detect and prevent scams and hacks from our users. The team's expertise in cybersecurity, with years of experience, has been evident in the results since the early stages of integration.

Andrey Balyasnikov

Head of Product at Zerion

Core Light BG

Blockaid's real-time security alerts integrated within Core provide users with a proactive shield against emerging threats, empowering them to navigate the Avalanche ecosystem with confidence. Together, Blockaid and Core are not just securing transactions; they are paving the way for a safer, more resilient Web3 future.

Akash Gupta

Head of Consumer Products at Ava Labs

Latest resources and news

Validate every transaction and never sign blindly again

with blockaid