Investors are attracted to low-cost cryptocurrencies for potential exponential growth and portfolio diversification.

Risks involved include market volatility and insufficient regulation.

Low-cost cryptocurrencies like XRP, Cardano, and Dogecoin are gaining popularity while Bitcoin's trading volume decreases.

Bitcoin ETF discussions with the SEC are ongoing.

BlackRock and Fidelity have filed for spot Ethereum ETFs, potentially boosting Ethereum's price.

The expected approval of ETFs may result in significant growth in the crypto market and increased institutional capital flow.