Bitcoin industry insiders have issued an optimistic prediction for the cryptocurrency over the next few decades, suggesting it could be as widely used as the Swiss franc or the Australian dollar.

U.K.-based Magister Advisors, which advises the technology industry on mergers and acquisitions, interviewed thirty of the leading bitcoin companies from across the globe. It found a consensus view that bitcoin will become the sixth largest global reserve currency within 15 years.



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A reserve currency is a currency that is held in large amounts by governments and institutions as part of their foreign exchange reserves, with the U.S. dollar currently being the most popular.

Bitcoin is a virtual currency that allows users to exchange online credits for goods and services. It was trading at $374 on Tuesday morning, just off its year-to-date high, according to industry website CoinDesk. However, many observers believe the real value of the cryptocurrency lies in the technology behind the coin known as the blockchain, a public and transparent ledger of all bitcoin transactions.

The survey found that an estimated $1 billion will be spent by the top 100 financial institutions on blockchain-related projects over the next 24 months. Jeremy Millar, partner at Magister Advisors who led the research, said that the blockchain was the most significant advancement in enterprise IT in the last decade.

"We have now reached a fork in the road with bitcoin and blockchain. Bitcoin has proven itself as an established currency. Blockchain, more fundamentally, will become the default global standard distributed ledger for financial transactions," he predicted in an accompanying press release on Tuesday morning.

In September, 13 of the world's leading banks joined a project to explore the possibilities behind using a type of distributed ledger in the mainstream financial world. Institutions like Bank of America, Citi and Deutsche Bank joined others like Goldman Sachs and J.P. Morgan which had already signed up.

For many, it's the ledger that shows the real promise while the cryptocurrency itself is seen by some as having more of a shelf life. Aside from financials, the public ledger has a host of other useful applications. Pantera Capital in the U.S. is investing in a firm that is using the technology to help detect counterfeiting in the luxury goods industry. Simon Derrick, chief currency strategist at BNY Mellon, told CNBC via email Tuesday that he suspects the interesting part to the bitcoin story will be the underlying technology and whether it facilitates the introduction of truly digital currencies.