The number of scam companies and websites that Finansinspektionen warns of has increased by 30 percent in one year, to about 2,800.

- These warnings are made in collaboration with foreign financial authorities, and they have increased significantly over the past year, says Mikael Sandahl, who is financial inspector at Finansinspektionen to SVT.

Fraudsters often have nice facades and websites with fake addresses in London or Stockholm's financial district.

Nowadays, scams are often about the cryptocurrency Bitcoin.

- The level of knowledge is not so high in some, which means that fraudsters can make statements that are not always true.

The sharp rise (for Bitcoin red) makes it possible to sell in that it is actually possible that it is possible to make money very quickly, says Mikael Sandahl.

Play the clip to hear Assignment Review Reporter Staffan Florén Sandberg explain the investment tangle below.

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Play the clip to hear Assignment Review Reporter Staffan Florén Sandberg explain the investment scandal.

Photo: SVT