text: arey,kya tumne suna ki meme coins bhi ab trading mein aa gaye hain? yeh sab dogecoin aur shiba inu ki wajah se hai, sahi hai na?haan, lekin mujhe samajh nahi aata, yeh meme coins kitne serious hain, kya yeh sirf fun ke liye hain ya sach mein kuch value hai unmein?