Which cryptocurrencies are best suited for long-term investment?

Bitcoin and Ethereum are typically considered the safest long-term cryptocurrencies due to their established market presence and network effects. Bitcoin, created in 2009, remains the largest by market cap ($1.3 trillion+), while Ethereum powers the DeFi ecosystem. For diversification, investors consider altcoins like Solana or Polkadot, though these carry higher risk. Long-term success requires dollar-cost averaging (investing fixed amounts regularly), holding through volatility, and understanding your risk tolerance. Beginners should avoid leverage and focus on fundamental projects with active development. Remember: past performance doesn't guarantee future results, and crypto remains highly volatile. Never invest money you can't afford to lose.