BlackRock's Ethereum Spot ETF: What Does It Mean for Investors?

The world's largest asset manager, BlackRock, has filed an application to list an exchange-traded fund (ETF) that will track the spot price of Ether, the native cryptocurrency of the Ethereum blockchain. Exchange-traded funds pool investors’ money to invest in an asset and trade on public stock market exchanges. This development has caused a stir in the crypto market, as it could pave the way for more Ethereum adoption and innovation. 

What does this mean for market participants, and what exactly is an Ethereum spot ETF?