diff --git a/src/main/tjava/com/r35157/libs/codec/Base58Codec.tjava b/src/main/tjava/com/r35157/libs/codec/Base58Codec.tjava
new file mode 100644
index 0000000..e3bc6ab
--- /dev/null
+++ b/src/main/tjava/com/r35157/libs/codec/Base58Codec.tjava
@@ -0,0 +1,5 @@
+package com.r35157.libs.codec;
+
+public interface Base58Codec {
+    String encode(byte[] input);
+}