# Which blackboard font is used?

Can anyone help me in knowing which mathbb font is being used here and how to use it?

Thanks!

• It looks like this one : with \usepackage[sans]{dsfont}, $\mathds{ZQ}$. – marsupilam Jun 1 '17 at 16:58
• @marsupilam Very nice. Thanks :) Would care to write this as an answer?? – crskhr Jun 1 '17 at 17:03

Those two : Q and Z look like those from the dsfont package with the sans option.
\documentclass[12pt, border=2pt]{standalone}
$\mathds{ZQ}$