diff --git a/_config.yml b/_config.yml
index 6a17eee..a2a6edc 100644
--- a/_config.yml
+++ b/_config.yml
@@ -24,6 +24,11 @@ gitlab_username: ewpratten
rtlgit_username: ewpratten
keybase_username: ewpratten
+# Payments
+paypal_username: ewpratten
+btc_address: 17H1ad7t1h5bFcxhyL8naZJhY5E2iiW7yk
+stellar_address: GBBUKCQQULS3TLGPKLHIFN2YZUAOTCZHW7ON7CFFJIY5QPFBWGYVA2YQ
+
# Build settings
markdown: kramdown
kramdown:
diff --git a/_includes/footer.html b/_includes/footer.html
index 20d7331..9ac5dd6 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -19,10 +19,17 @@
+
+
+
+
+ onload="renderMathInElement(document.body);">