diff --git a/content/u/blog/free-ipv6-vpn-for-hackerspaces/contents.lr b/content/u/blog/free-ipv6-vpn-for-hackerspaces/contents.lr
index 5a76806..cc2975b 100644
--- a/content/u/blog/free-ipv6-vpn-for-hackerspaces/contents.lr
+++ b/content/u/blog/free-ipv6-vpn-for-hackerspaces/contents.lr
@@ -67,6 +67,19 @@ facebook?](https://code.ungleich.ch/nico/rif)), you need to be able to
 experiment, to explore, to challenge. We love this groove and
 want to support this, that's why we support hackerspaces.
 
+## Why a (wireguard based) VPN?
+
+We are aware that there are other tunnel providers and technologies out
+there and that is a good thing. The reasons why we opted for a
+[Wireguard VPN based solution](https://ipv6vpn.ch) are following:
+
+* wireguard: it's very easy and slim and does not require IPv4 inside
+  the tunnel ([which OpenVPN still
+  does](https://ungleich.ch/en-us/cms/blog/2019/09/10/openvpn-vs-wireguard/))
+* VPN: work with dynamic IPs, works behind CGNAT
+
+(feel free to challenge this decision in a discussion on IPv6.chat)
+
 ## Getting IPv6 for a hackerspace
 
 To get IPv6 for your hackerspace, simple write an email to