Are Blackrock & grayscale's bitcoin spot ETFs leading in volume?
Could you elaborate on the current market standing of BlackRock and Grayscale's Bitcoin spot ETFs in terms of volume? Are they indeed the leaders in this space? If so, what factors have contributed to their popularity and success? Are there any specific strategies or investments they've made that have propelled them ahead of their competitors? Furthermore, what does the future look like for these ETFs, and how might they continue to maintain or expand their market share?