Solana (SOL) may offer long-term growth potential, but it could take years for a $250 investment to reach $250,000.An alternative with faster potential for growth is Lightchain AI (LCAI), which is currently in its presale at $0.006.Investing in altcoins under $0.40, such as Peanut the Squirrel (PNUT) and LCAI, offers opportunities for substantial gains.LCAI is revolutionizing blockchain and AI integration, providing enhanced security features and low-latency design for real-time applications.