Well, if you are a member of Shvoong, you will probably be searching the Internet hurriedly after you logged into your Shvoong account. What happened is that the amounts in the accounts of Shvoong are being reset to zero. The reason was due to an unexpected technical failure which the website administrator are committed to resolve after giving very prompt assurances in their internal communication. So do not panic and go around asking people if Shvoong is a scam. Rest assure that this issue has been addressed to according to the administrator in the internal forum.
While, being a member of Shvoong for a fair bit of time, I trust this website. Earning with this website, however can be an extremely challenging and uphill task. But with some tools in your hands for boosting traffic, a decent earning can be expected. In Shvoong, quantity does matter, so you need to have a fair bit of abstracts, summaries and/or reviews.
Shvoong is essentially a website to provide members with the opportunities to get paid to write reviews, summaries and even translations.
So put your knowledge where the money is would be a more prudent approach. I supposed.
You can also visit this basic introduction page on Shvoong for more information and details on how it works.