diff --git a/README.md b/README.md
index cc0fff9..85bdc98 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,11 @@
-# crypto-php
-Crypto Tools for PHP 8
+# Crypto Tools for PHP 8
+
+Useful to decode raw data in [KevaCoin](https://github.com/kevacoin-project/) blockchain
+
+## Install
+
+`composer require kvazar/crypto:dev-main`
+
+## Usage
+
+* [crawler](https://github.com/kvazar-network/crawler)