- Coin search (howto)
 - Coin valuation search (howto)
How to extend coin database

 - Uploading numismatic photos (howto)
 - Binding coin instances to coin definitions (howto)
 - Editing coin definitions (howto
 - Posting coin valuations (howto
 - Posting new countries. editing countries/states relations.
 - Post your idea how the site can be improved

Other fun
- Comment coins, online collections and blog
- Create online coins collections from all coins at the site (howto)
- Start your blog here 
- Take part in Coin Quize and other numismatic games