I used to think the same thing till I learned what it was.. 
Discussion
I was a fedimint contributor and now work on eHash (blinded signatures for mining shares).
It's a custodial shitcoin. But it's the best we have given the privacy and data useability tradeoffs.
The blinded signature talk by nostr:nprofile1qqsxwkuyle67y94tj378gw8w2xw2wa6nwmwlqhddlwnz0z7sztsaw2qprdmhxue69uhhwmm59ejx7amwd9ek7mn5dpjh2upwvdsj72y0mff is a better starting point, IMHO.
Can you link it? I hope people get a lot out of our notes this morning. Thoroughly enjoyed it!