Fulcrum v1.9.3: Improved SynchMempoolTask Performance

Fulcrum is a fast and nimble SPV server implementation for Bitcoin written in modern C++. This version improves the performance of the SynchMempoolTask by over 3x.

https://www.nobsbitcoin.com/fulcrum-v1-9-3/ 

 lol, modern c++. i was in highschool when it first came out. 1993 or something. "modern" *coguh*