
Hacken
Making Web3 a safer place by protecting projects from getting hacked.

What is Hacken?Mainnet
Stylized as HACKEN, is an international cybersecurity company with Ukrainian roots that has combated Russia in cyberwar during the Russia invasion of Ukraine. The headquarters is located in Tallinn, Estonia, while the team was moved from Kyiv to Lisbon in March 2022.
Socials
Discover More

BlockSec
Smart Contract & EVM Chain Audit | Boost Web3 through Next-Gen Security & Usability Innovations

HAPI
Onchain Cybersecurity Protocol for DeFi.

Guvenkaya
Guvenkaya is a security research firm specializing in Rust security, Web3 security of Rust-based protocols, and Web2 security

BlockSec
Full-stack blockchain security experts, safeguarding assets and preventing breaches with academic research and industry expertise

Ottersec
OtterSec is a blockchain cybersecurity firm focused on identifying and remediating critical vulnerabilities

Halborn Auditing
Halborn serves as your reputable partner to continuously assess an organization’s most vital assets, save time in your development lifecycle and provide world-class cybersecurity consulting and assessments every step of the way — far beyond smart contracts.