Yes, I think Bitcoin is more useful than gold, for example :
in transactions Bitcoin more simple than gold, Using Bitcoin all people can make a transactions only 1-5 minute.
Bitcoin simple, secure and fast than gold
to be a clear means of payment, the bitcoin currency is better than gold, you really want to know that the bitcoin currency is currency. , gold is more appropriate to be an asset not as a means of exchanging goods. So this is bitcoin and gold, the usage is clearly different. if bitcoin is a digital currency, gold is usually a valuable asset, or for guarantor of currency.