最新报道:Two cryptocurrencies stand out for retirement portfolios, according to analysts. Bitcoin (BTC) remains the top pick due to its scarcity, institutional adoption, and role as digital gold. Ethereum (ETH) follows as the leading smart contract platform, with its upcoming upgrades expected to boost scalability and reduce fees. Both assets offer long-term growth potential amid increasing crypto adoption. Experts advise dollar-cost averaging to mitigate volatility risks while building positions over time. These established cryptocurrencies provide exposure to blockchain's transformative potential while balancing risk in a retirement strategy.