Gold credits can only be purchased for real money Gold allows creators to sell their virtual goods and convert back to their local currency.
Gold credits trade at 10 / 1 (100 gold = $1.00) fixed ratio with USD$
To buy gold, click the G icon in the top right panel inworld, next to the minimap.
You can buy gold with Paypal, all major credit cards, mobile phone or PENDING.
Only verified creators can convert gold back to a real world currency.
Silver credits are free promotional credits you can earn by participating in the community and completing quests and achievements.
Silver credits cannot be converted to real money but can be used to buy virtual goods offered by creators with a silver price.
It is up to individual creators to decide which of their virtual goods they want to offer for silver and which for gold.
You cannot convert silver into gold.