He Forgot 5,000 Bitcoins in His Digital Wallet — And Woke Up a Millionaire Years Later

Written by Fabio Lucas Carvalho

Published on 23/07/2025 at 17:06

Updated on 23/07/2025 at 17:07

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A $27 Investment By A Young Engineer During His Studies Became One Of The Most Impressive Stories In The World Of Cryptocurrencies. Years Later, What Seemed Forgotten Turned Into A Million-Dollar Fortune — And He Still Hasn’t Sold Everything.

A simple academic curiosity led Kristoffer Koch to an unlikely destination. In 2009, while studying cryptography for his master’s thesis, the Norwegian engineer decided to invest $27 in a new technology called Bitcoin. Years later, that gesture completely changed his life — and still bears fruit.

An Experiment That Became Fortune

Koch discovered Bitcoin during his studies and, intrigued by the proposal of a decentralized currency, decided to test it in practice.

With just $27, he bought 5,000 bitcoins, which at the time were worth almost nothing. The investment was forgotten for four years, until in 2013, Bitcoin started gaining media attention with its sudden appreciation.

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That’s when Koch decided to check his old digital wallet.

After remembering the password he had created years earlier, he managed to access the 5,000 bitcoins, which were now worth about $885,000. The engineer had become a millionaire almost without realizing it.

Luxury Property And Strategic Decisions

Koch’s first decision was to turn part of the fortune into assets.

He sold about 1,000 bitcoins, equivalent to 20% of his portfolio, and used the value to buy a high-end apartment in the Tøyen neighborhood of Oslo, the capital of Norway. The transaction was carried out with the payment of all applicable taxes.

But Koch didn’t dispose of all his fortune. He kept the remaining 4,000 bitcoins, believing in the long-term potential of the cryptocurrency.

Over the years, he made small sales at opportune moments, accumulating more than $10 million in additional profits.

A Wallet That Is Still Worth Millions

Even with the volatility of the cryptocurrency market, Koch continued holding a good portion of his original bitcoins.

It is estimated that he still has about $70 million in digital assets, placing him among the most emblematic cases of sudden appreciation through Bitcoin.

The story of Kristoffer Koch is often recalled as an example of how a technical, almost casual decision can turn into something extraordinary.

He not only made money from the investment but also knew how to balance the use and preservation of his fortune.

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He Forgot 5,000 Bitcoins in His Digital Wallet — And Woke Up a Millionaire Years Later

A $27 Investment By A Young Engineer During His Studies Became One Of The Most Impressive Stories In The World Of Cryptocurrencies. Years Later, What Seemed Forgotten Turned Into A Million-Dollar Fortune — And He Still Hasn’t Sold Everything.

An Experiment That Became Fortune

Major Oil, Gas, and Energy Event Will Take Place in Brazil: Macaé Energy Will Gather Petrobras, Equinor, Prio, Among Other Suppliers and Energy Executives for Business, Networking, and Employment Opportunities

Luxury Property And Strategic Decisions

A Wallet That Is Still Worth Millions

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He Forgot 5,000 Bitcoins in His Digital Wallet — And Woke Up a Millionaire Years Later

A $27 Investment By A Young Engineer During His Studies Became One Of The Most Impressive Stories In The World Of Cryptocurrencies. Years Later, What Seemed Forgotten Turned Into A Million-Dollar Fortune — And He Still Hasn’t Sold Everything.

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