Is there 100% error free software? Is there 100% secure software? The answer to both questions is NO, but don't panic.

Intigriti published a DOM XSS Challenge available at Intigriti’s bug bounty platform. The assignment was to exploit a DOM XSS vulnerability on this page and to trigger a pop up of the document.domain (challenge.intigriti.io).

Good question, actually. Since blockchain and the use of Smart Contracts is quite a new concept, there is no widely recognized standard for testing Smart Contracts. This article will provide an insight into the approach we use here, at Citadelo, when auditing Smart Contracts.

The goal of this blogpost is to show what needs to be done to have a secure working setup, explain why all of the countermeasures are really necessary by demonstrating the attacks that they are mitigating, to not reveal your origin IP address.