Readme updated with wallets and screenshot

Author: ARR552

README.md

@@ -4,3 +4,11 @@ This plugin has been developed for firefox but it could be adapted to work in ch
 If there some trouble, please disable security.csp.enable
 
 Visit twitter to try the Dapp: https://twitter.com/ARR81597211
+
+Contribute to the project:
+
+            Ethereum: 0x0CDDfeA15E21fc2659c1Facc096572bbEF29253f
+            
+            Bitcoin: bc1qy0yg4qu6wgynfk4tjufszgm5pdswtgammha0zr
+            
+![alt text](https://raw.githubusercontent.com/ARR552/BlockMask/master/Interface%20BlockMask.png)