According to Matthew Sigel, the head of digital asset research at VanEck, BlackRock has successfully raised $2 billion from current Bitcoin holders within the first week for their upcoming Bitcoin spot ETF. The Block's editor, Tim Copeland, obtained this information from a reliable source. Bloomberg ETF analyst Eric Balchunas mentioned that if this report is accurate, it would establish a remarkable record for both trading volume and asset size for an ETF in its initial week