Shiba Inu (SHIB) and Dogecoin (DOGE) had a significant impact in 2021 as meme coins and gained immense popularity.Lightchain AI and PNUT are emerging as potential tokens for life-changing growth in 2025.Lightchain AI combines blockchain and AI integration, while PNUT offers innovative decentralized finance features.Both tokens are drawing attention, with strong presale performances and promising roadmaps.