Here's the Tweet by Coinmetrics that kicked off the Twitter thread where this issue was shared:

> For your convenience, this year in #Bitcoin mining! 
> 
> All four of our quarterly specials:
> 
> Q1: https://coinmetrics.substack.com/p/state-of-the-network-issue-148
> Q2: https://coinmetrics.substack.com/p/state-of-the-network-issue-161
> Q3: https://coinmetrics.substack.com/p/state-of-the-network-issue-174
> Q4: https://coinmetrics.substack.com/p/state-of-the-network-issue-185

https://twitter.com/coinmetrics/status/1602711905243652098 [[Nitter](https://nitter.at/coinmetrics/status/1602711905243652098)]