diff --git a/protocol/blockchain/hash.md b/protocol/blockchain/hash.md
index 4208471..921da47 100644
--- a/protocol/blockchain/hash.md
+++ b/protocol/blockchain/hash.md
@@ -1 +1,5 @@
-# Hash
\ No newline at end of file
+# Hash
+
+ - Sha256
+ - Ripemd160
+ - Murmur