Hướng dẫn cụ thể cách cày bitcoin từ 2 bàn tay trắng: 
http://bitcoinviet.com/forum/index.php?threads/h%C6%B0%E1%BB%9Bng-d%E1%BA%ABn-c%E1%BB%A5-th%E1%BB%83-c%C3%A1ch-c%C3%A0y-bitcoin-t%E1%BB%AB-2-b%C3%A0n-tay-tr%E1%BA%AFng.48/

Tổng hợp các site capcha:  
http://bitcoinviet.com/forum/index.php?threads/t%E1%BB%95ng-h%E1%BB%A3p-c%C3%A1c-sites-nh%E1%BA%ADp-capcha-ki%E1%BA%BFm-bitcoin.122/

Hướng dẫn xoay số:
http://bitcoinviet.com/forum/index.php?threads/h%C6%B0%E1%BB%9Bng-d%E1%BA%ABn-c%C3%A1ch-xoay-x%C3%AD-ng%E1%BA%A7u-ki%E1%BA%BFm-bitcoin.80/