Tributes have flowed for the Australian CEO of internet company Bitcoin, who was killed in a motorbike accident in Thailand on Thursday.

Adam Tepper, from Langwarrin in Melbourne's south-east, died when he crashed his motorbike at high speed on the holiday island of Phuket.

Local police say the 34-year-old was not wearing a helmet at the time and was pronounced dead at the scene.

"It is with a heavy heart that I write to inform you of the death of Adam Tepper," Bitcoin's chief technology officer Adrian Przelony wrote in a statement on the company's website.

"Adam was a passionate advocate for the use of digital currency in Australia.

"He lived his life to the beat of his own drum and Independent Reserve is a testament to his vision, intelligence and perseverance.

"He will be sorely missed by his family, friends and the Bitcoin community."

His mother, Dianna Tepper, told 7News her family was devastated by Adam's death.

"Please don't ever get on a motorbike without a helmet," she said.

"It if saves one life, I'm happy."

A funeral will be held for Mr Tepper in Melbourne on March 6.

News break – February 27