here's a simplified list of approximate price predictions for each cryptocurrency by 2028:

1. BTC (Bitcoin): $100,000 - $1,000,000

2. XRP (Ripple): $0.10 - $10

3. DOGE (Dogecoin): $0.01 - $10

4. SHIB (Shiba Inu): $0.0001 - $0.01

5. PEPE (PepeCoin): $0.001 - $0.1

Remember, these are speculative estimates and actual prices may vary significantly due to various factors influencing the cryptocurrency market.