Thanks to the SEC's approval, spot Bitcoin ETFs are now tradable and available. These ETFs track the current price of Bitcoin; where the underlying assets are Bitcoins and not Bitcoin futures contracts.
cryptocurrencies
Bitcoin and cryptos rely on decentralization. There are two kinds of consensus mechanisms: proof-of-work and proof-of-stake.
The newest Bitcoin whales are investing firms, including Blackrock, Greyscale, and Fidelity. Thanks to SECs's approval of Bitcoin spot ETFs, these institutions are buying BTC in huge amounts, changing the market landscape of crypto.