To this day, few understand this. 
nostr:nevent1qqszdhl50lxfd8da6ehc2f3uxg3rw3afcwr5l6axmsfqx7ylpud8zjgpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsygy82ury0j3mw4y7vm9kcjac6xtlt0y3meemtr434hncerwatlk8avpsgqqqqqqssc4tl4 

 Is this the difficulty adjustment? 

 I just had to take a minute to think about that, believing that it can't possibly be true, but it is!