Dhaka, March 10 -- Bangladesh Bank (BB) has cautioned the public against investing in multilevel marketing (MLM) companies, citing their promises of excessive returns on deposits and emphasized that such activities fall under money laundering and pose financial risks.

The central bank is also investigating alleged fraudulent activities in this regard, the BB said in a circular on Monday.

BB mentioned that such investment schemes promise unusually high returns while seeking deposits or investments from the public.

Pyramid and Ponzi schemes are major features of multilevel marketing companies, which are highly risky as investors can lose their money, the circular said.

The BB cited previous scams such as Jubok, Destiny and recent e-comm...