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By Associated Press

Australian police on Wednesday raided the home and business premises of a man that technology news sites have claimed is the founder of virtual currency bitcoin.

A statement from the Australian Federal Police said the searches were related to a tax investigation and not recent media reports on the virtual currency, which is used for transactions across borders without third parties such as banks.

Federal officers and tax officials refused to answer questions as they left the house in a Sydney suburb hauling two black roller suitcases.

Technology publications Wired and Gizmodo published reports this week claiming an Australian businessman is bitcoin's likely inventor.

Since bitcoin's birth in 2009, the identity of currency's creator has remained a mystery. The person, or people, behind the digital currency's inception have been known only as "Satoshi Nakamoto," which many observers believed to be a pseudonym.

Read More: Some Greeks Using Bitcoin to Evade Currency Controls in a Digital Dodge

In March last year, American Dorian Prentice Satoshi Nakamoto denied in an exclusive interview with The Associated Press that he was the inventor after Newsweek published a 4,500-word cover story linking the currency to him.

Attempts to reach the Sydney businessman that reports claim is Nakamoto were unsuccessful.

A man answered a mobile phone number belonging to the businessman's wife. When an AP journalist asked if she was speaking with the person named as Nakamoto, he asked who was calling. When told he was speaking to a reporter, the man said, "Sorry. Not here," and hung up. Voicemails left on the man's mobile and office numbers were not returned.

His LinkedIn profile lists him as working for a Sydney company that focuses on "alternative currency" and "next generation banking."

The police search of the man's home in the wealthy northern Sydney suburb of Gordon lasted several hours and drew a steady trickle of perplexed neighbors into the quiet, tree-lined street.

Read More: Head of Failed Japan-Based Bitcoin Exchange Mt. Gox Arrested