The four brands you mentioned—Antminer (Bitmain), Whatsminer (MicroBT), Avalon (Canaan), and IceRiver—are major players in the ASIC mining hardware space as of February 2026. They dominate different segments, with Antminer, Whatsminer, and Avalon focusing primarily on Bitcoin (SHA-256) and some altcoins like Scrypt (e.g., LTC/DOGE), while IceRiver specializes in newer/niche algorithms (e.g., Kaspa’s kHeavyHash, Alephium’s …

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