diff --git a/coins/kumacoin.json b/coins/kumacoin.json
new file mode 100644
index 0000000..ab7e895
--- /dev/null
+++ b/coins/kumacoin.json
@@ -0,0 +1,6 @@
+{
+    "name": "Kumacoin",
+    "symbol": "KUMA",
+    "algorithm": "quark",
+    "mposDiffMultiplier": 256
+}
diff --git a/coins/monacoin.json b/coins/monacoin.json
new file mode 100644
index 0000000..d8897d4
--- /dev/null
+++ b/coins/monacoin.json
@@ -0,0 +1,5 @@
+{
+    "name": "Monacoin",
+    "symbol": "MONA",
+    "algorithm": "scrypt"
+}
\ No newline at end of file
diff --git a/coins/sayacoin.json b/coins/sayacoin.json
new file mode 100644
index 0000000..933c879
--- /dev/null
+++ b/coins/sayacoin.json
@@ -0,0 +1,5 @@
+{
+    "name": "Sayacoin",
+    "symbol": "SYC",
+    "algorithm": "sha256"
+}
\ No newline at end of file
diff --git a/coins/sha1coin.json b/coins/sha1coin.json
new file mode 100644
index 0000000..81e0fd4
--- /dev/null
+++ b/coins/sha1coin.json
@@ -0,0 +1,5 @@
+{
+    "name": "Sha1coin",
+    "symbol": "SHA",
+    "algorithm": "sha1coin"
+}