fix yaml and add readme

README.md

@@ -13,4 +13,30 @@ tags:
 pretty_name: pidginshield
 size_categories:
 - n<1K
----
+---
+
+# pidginshield: pidgin crypto scam detection dataset
+
+## overview
+this dataset is designed to detect crypto scams in nigerian pidgin, english, and mixed-language communication.
+
+it captures realistic scam patterns commonly found in west african crypto communities, where informal language and slang are widely used.
+
+## dataset structure
+each entry contains:
+- text  
+- language_type  
+- label (scam or legit)  
+- scam_category  
+- intent  
+- explanation  
+
+## use cases
+- training scam detection models  
+- improving ai safety in fintech and web3  
+- moderation tools for crypto communities  
+
+## attribution
+this dataset, pidginshield, was created for the uncharted data challenge by adaption labs.
+
+it leverages adaptive data, adaption’s data infrastructure for building and evolving datasets.