Requirements: a Minecraft account
1) Visit this link: http://bitvegas.net/?id=25889
2) Read up on your information there
Note: you need to use Minecraft version 1.6.4
3) Go to the ip listed on the site
4) Get the resource pack by doing /pack
5) Claim your free chest every 15 minutes (0.5 mBTC or 50000 satoshis)