BlackRock Inc., the world’s leading asset manager, is planning to launch a new exchange-traded product (ETP) in Europe that is directly linked to bitcoin, Bloomberg News reported Wednesday. The move follows the success of the company’s $58 billion cryptocurrency-tracking exchange-traded fund in the United States. The new bitcoin-linked fund is expected to be based in Switzerland, according to people familiar with the matter who asked not to be identified because they were not authorized to speak publicly. The marketing campaign for the new product could begin as early as this month, the people said.