# zk sync security

**Published by:** [rajmani45](https://paragraph.com/@rajmani45/)
**Published on:** 2023-03-25
**URL:** https://paragraph.com/@rajmani45/zk-sync-security

## Content

Building a secure network requires a multi-dimensional approach to protecting users against bugs, exploits, scams and hacks. With zkSync Era, security is and will always remain our top priority. zkSync Era testnet ran for a full year with 500,000 active accounts, 30,000 smart contracts deployed and nearly 9 million transactions without any major issues. We used this time to run top-tier audits and stress test the network before opening to projects or users. We will never cut corners when it comes to security.

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