diff --git a/contrib/certificates/family/gostcoin.crt b/contrib/certificates/family/gostcoin.crt
new file mode 100644
index 00000000..5fa531e1
--- /dev/null
+++ b/contrib/certificates/family/gostcoin.crt
@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----