BlackRock started the week of March 23 with more than $77 million in net cash outflow from its two spot exchange-traded funds (ETFs). On Monday, the company’s iShares Bitcoin Trust (ETF) registered a net outflow of 658 BTC, which is worth about $46 million at press time. As such, IBIT recorded the largest cash outflow compared to the other issuers of spot Bitcoin ETFs, according to metrics shared by on-chain analytics platform Lookonchain. Spot ETH ETF flow on March 23