pull down to refresh

I don't think it is possible to make it difficult.
If it was, then this would be a major vulnerability to bitcoin, and many of our previous assumptions about its usefulness would be in serious trouble.
see your point: #1263232
We're saying the same thing.
I'm just pointing out that in the abstract this property matters for censorship resistance and you're saying that we have this property, which I'm not questioning.
reply