I don't see a problem in using the artwork in your blog. Did you take a look at
On 06.08.2020 9:51 AM, mulgu...@gmail.com
> Hi folks,
> I am writing a blog on TUF and am planning to post it on Medium. Is it ok
> to use TUF artwork  in my blog? I glanced through the license  and it
> looks like it would be ok for me to use it, but wanted to check in here
> before actually doing so.