2017-02-05 UTC
# 
jaduncan[m] bear: Yes. I was idly wondering about getting around bans via spoofing. There's also an issue of spam when webmentions scale, which probably means extra calls out to a spam detection service. The other thing I've idly wondered about since reading the text is just proof of work from the sender; it means you would at least cut out the ability to do viable attacks without a botnet.