From the file system to web services, permissions allow an owner of a resource to determine who has access to what within their domain. Today we’re going to talk about the former which is file system access control. We’ve been filing a number of bugs recently that are related to permissions during our pro-bono campaign to help shore up issues across multiple blockchain projects.

But what exactly is the problem?

Many code bases work with files, it’s a common thing to do. Opening them to read configuration, writing out logs, deleting stuff that’s no longer needed on cleanup, etc. The…

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