According to data from The Block, the trading volume of Bitcoin spot ETFs reached 111 billion US dollars in March, three times the total trading volume of 42.2 billion US dollars in February. The three Bitcoin spot ETFs issued by Grayscale, BlackRock and Fidelity continue to dominate trading volume. Grayscale's GBTC fund has had a total outflow of over 15 billion US dollars since trading began in January. In terms of US dollars, BlackRock and Fidelity's spot Bitcoin ETFs managed assets of approximately 18 billion US dollars and 10 billion US dollars respectively last month.

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