Bitcoin (CRYPTO: BTC) enthusiasts are buzzing with anticipation as the approval for the inaugural U.S. spot Bitcoin exchange-traded fund (ETF) inches closer, according to financial experts. Nine asset management firms, including BlackRock, WisdomTree, and Valkyrie, are awaiting approval from the Securities and Exchange Commission (SEC) to issue a spot bitcoin ETF. Experts predict the first approval could materialize as early as 2024, reported CNBC. Bitcoin’s price escalated to an 18-month high of $37,970 last week, following BlackRock’s initial steps towards an Ethereum (CRYPTO: ETH) ETF. The …