Sellers in artnet Online Auctions are reviewed and approved by artnet; most, in fact, are professional galleries or dealers with whom artnet has enjoyed a longstanding relationship.

In addition, all artnet Online Auctions transactions are covered by artnet's Terms of Use, which include both our buyer and seller agreements, and the artnet Assurance Policy. If an item sold at auction is determined to be other than as described by the seller, the sale is void and the buyer's money is refunded.

All site pages that collect private information such as username, password and credit card information are coded using https, the highest level of online encryption and the same standard used for online banking and brokerage transactions.