That's the difference in value since the time of the dealer's prosecution while he was in jail.
Sweden's finance minister has also said the government is tightening standards for crypto exchanges.
The Riksbank will partner with Handelsbanken to test how the e-krona might work in the real world.
The Swedish firm is expected to list on Nasdaq First North on May 12.
Riksbank Governor Ingves said Sweden is entering a post-cash era.
The share price implies a market value for the cryptocurrency-focused investment firm of $860 million.
The Financial Supervisory Authority said investment products such as bitcoin ETPs carry "significant" risk for consumers.
Sweden's Riksbank said it would continue work with Accenture on a potential e-krona digital currency until next year.
While the Riksbank appears keen to launch the e-krona, bankers are worried about how the digital currency might affect their industry.
The Sweden-based exchange says it aims to list on Nasdaq's First North Growth Market next year.
Sweden's central bank has begun to study the feasibility of moving the country to a digital currency.
Swiss-based Valour says its bitcoin ETP is the first with no management fees.
Riksbank Governor Stevan Ingves sees a Swedish digital currency as an imperative for the central bank.
Sweden’s Riksbank says its digital currency researchers are the best in central banking.
Ukraine has been asked to act following a report of an alleged cryptocurrency fraud operation duping naive investors from Sweden's capital.