we would advertise Hive and give a call to action for anyone who reads it to join, follow the authors involved, or, better yet, get writing and submit their own work to the next collection.
You got to be very careful about that. As it can be seen as breaking KDP policy and can get a book pulled and you banned. While they generally allow someone including a link out to their own website. It’s not the same when you are sending people to a blockchain instead of the author’s personal website.
Really? That would have been one of the major reasons to do something like this. I'm going to look into it and see if there is some way of promoting Hive, even without outright promoting it.
Maybe saying something like, 'the authors of this book met on Hive, where each of them share their work.' Or something along those line, just to give readers of a place to go looking.
Or, maybe a way around it would be for each author to have a site, which links back Hive.
At least with each of those, there is a chance for people to make their way here