diff --git a/index.html b/index.html
index 72b5227..5b0d92b 100644
--- a/index.html
+++ b/index.html
@@ -10324,6 +10324,7 @@ janin.currencies = [
     janin.currency.createCurrency ("Digitalcoin",0x1e, 0x9e, "6",    "Q"    , "D7fJwPfW4dFSJNq4NHbMiYJhYnrZehMpqx"),
     janin.currency.createCurrency ("Dogecoin",   0x1e, 0x9e, "6",    "Q"    , "D74Npoqhwhjw9fShkm5wbj6DD2BJXpmzPj"),
     janin.currency.createCurrency ("Feathercoin",0x0e, 0x8e, "5",    "N"    , "6dxAP6oacHsove5X2kZPpddcT1Am167YzC"),
+    janin.currency.createCurrency ("Gridcoin",   0x25, 0xa5, "6",    "R"    , ""),
     janin.currency.createCurrency ("HTMLCoin",   0x1e, 0x9e, "6",    "Q"    , "DP4AVuekGEatNmpCL99m46k8THwS9yNVqy"),
     janin.currency.createCurrency ("Litecoin",   0x30, 0xb0, "6",    "T"    , "LiScnsyPcqsyxn1fx92BcFguryXcw4DgCy"),
     janin.currency.createCurrency ("MagicInternetMoney", 0x30, 0xb0,"6", "T", "LPRqCTYEy53FkEzhRTCauLc7Qq23Z5mxZU"),
diff --git a/logos/gridcoin.png b/logos/gridcoin.png
new file mode 100644
index 0000000..a7143d4
Binary files /dev/null and b/logos/gridcoin.png differ
diff --git a/src/janin.currency.js b/src/janin.currency.js
index 83c3b98..f2b9e75 100644
--- a/src/janin.currency.js
+++ b/src/janin.currency.js
@@ -91,6 +91,7 @@ janin.currencies = [
     janin.currency.createCurrency ("Digitalcoin",0x1e, 0x9e, "6",    "Q"    , "D7fJwPfW4dFSJNq4NHbMiYJhYnrZehMpqx"),
     janin.currency.createCurrency ("Dogecoin",   0x1e, 0x9e, "6",    "Q"    , "D74Npoqhwhjw9fShkm5wbj6DD2BJXpmzPj"),
     janin.currency.createCurrency ("Feathercoin",0x0e, 0x8e, "5",    "N"    , "6dxAP6oacHsove5X2kZPpddcT1Am167YzC"),
+    janin.currency.createCurrency ("Gridcoin",   0x25, 0xa5, "6",    "R"    , ""),
     janin.currency.createCurrency ("HTMLCoin",   0x1e, 0x9e, "6",    "Q"    , "DP4AVuekGEatNmpCL99m46k8THwS9yNVqy"),
     janin.currency.createCurrency ("Litecoin",   0x30, 0xb0, "6",    "T"    , "LiScnsyPcqsyxn1fx92BcFguryXcw4DgCy"),
     janin.currency.createCurrency ("MagicInternetMoney", 0x30, 0xb0,"6", "T", "LPRqCTYEy53FkEzhRTCauLc7Qq23Z5mxZU"),
diff --git a/wallets/gridcoin.png b/wallets/gridcoin.png
new file mode 100644
index 0000000..0ee7651
Binary files /dev/null and b/wallets/gridcoin.png differ