Re: From 370,000 Full Bitcoin Nodes to 6,000: What happened?
...I would think killing GPU mining would have severely dropped the node count. I fear for all of these multi-million dollar farms out there that are literally going belly up as soon as the block reward drops again 
I've been pondering the reward drop coming up.
One of the things that crossed my mind was this whole issue of block size increases. A reward halving would make transaction fees more attractive. But maybe that's one conspiracy theory too far.