@mwl @spaf nope it makes no sense to put such advertisements in Warsaw. The only “#crypto bros” I can think of are:
https://en.wikipedia.org/wiki/Marian_Rejewski
,
https://en.wikipedia.org/wiki/Jerzy_R%C3%B3%C5%BCycki
and
https://en.wikipedia.org/wiki/Henryk_Zygalski
I’m afraid they may not fit into the McDonald’s mission.