add IoTeX Smart Contract Security Audit Report

Author: keywolf

README.md

@@ -44,6 +44,7 @@ Some open security audit reports of SlowMist.
 * [智能合约安全审计报告 demo](./open-report/Smart-Contract-Security-Audit-Report-demo-chinese.md)
 * [OceanONE 安全审计报告](./open-report/OceanONE-Security-Audit-Report.md)
 * [VeChainThorNodeToken Smart Contract Security Audit Report](./open-report/VeChainThorNodeToken-Smart-Contract-Security-Audit-Report.md)
+* [IoTeX Smart Contract Security Audit Report](./open-report/IoTeX-Smart-Contract-Security-Audit-Report.md)
 
 ## 思维导图
 

open-report/IoTeX-Smart-Contract-Security-Audit-Report.md

@@ -0,0 +1,15 @@
+# IoTeX-voting-contracts Smart Contract Security Audit Report
+
+## Summary
+
+* Audit Date: February 28, 2019
+* Audit Result: Passed
+* Audit Team: SlowMist Security Team
+* Public Date: April 1, 2019
+
+## Report
+
+![Page1](./IoTeX-report-images/0001.jpg)
+![Page2](./IoTeX-report-images/0002.jpg)
+![Page3](./IoTeX-report-images/0003.jpg)
+![Page4](./IoTeX-report-images/0004.jpg)