Top 5 Altcoins Worth Mining in 2025 – Best ASIC & GPU Options

Updated: July 2025
Author: Vnish Team

Introduction

While Bitcoin remains the king of crypto mining, several altcoins offer attractive mining opportunities in 2025 due to lower difficulty levels, merged mining, and growing adoption. This guide explores the top 5 altcoins worth mining in 2025 and the hardware that delivers the best profitability.

Top 5 Altcoins to Mine

  1. 1. Litecoin (LTC)

    • Algorithm: Scrypt
    • Recommended Hardware: Antminer L9, Goldshell LT Lite
    • Why Mine LTC: Established coin with merged Dogecoin mining for double rewards.
  2. 2. Dogecoin (DOGE)

    • Algorithm: Scrypt (merged with LTC)
    • Recommended Hardware: Antminer L7/L9
    • Why Mine DOGE: Popularity due to Elon Musk and community support.
  3. 3. Kaspa (KAS)

    • Algorithm: kHeavyHash
    • Recommended Hardware: RTX 4090 GPUs or Kaspa ASIC miners
    • Why Mine KAS: High transaction speed and GPU-friendly algorithm.
  4. 4. Kadena (KDA)

    • Algorithm: Blake2S
    • Recommended Hardware: Goldshell KA3 ASIC
    • Why Mine KDA: Hybrid blockchain with high potential ROI in 2025.
  5. 5. Flux (FLUX)

    • Algorithm: ZelHash
    • Recommended Hardware: RTX 3070+ GPUs
    • Why Mine FLUX: Web3-focused altcoin with growing ecosystem.

Profitability Insights

Altcoin Algorithm Hardware Daily Profit (Est.)
Litecoin Scrypt Antminer L9 $10 – $15
Dogecoin Scrypt (merged) Antminer L9 $12 – $18
Kaspa kHeavyHash RTX 4090 $5 – $8
Kadena Blake2S Goldshell KA3 $7 – $12
Flux ZelHash RTX 3070 $3 – $6

Conclusion

In 2025, mining altcoins like Litecoin, Dogecoin, Kaspa, Kadena, and Flux can yield impressive profits when combined with efficient hardware and low-cost electricity. Consider using VNish firmware on ASIC miners for better performance and power savings.