Use ZMQ to monitor events from blockchain

[doc-hex]

Sure would be nice to use ZMQ to receive blocks and new transactions as they happen.

https://github.com/bitcoin/bitcoin/blob/master/doc/zmq.md

I'm not volunteering to do it, but it looks pretty easy and should reduce CPU load on server system.

[ecdsa]

please volunteer

[kamk]

Yes, I was thinking about this too. There's even example written in Python.