Equihash Explained: What It Is, How It Works, and Why It Matters in Crypto Mining

When you mine a coin like Bitcoin Gold, a cryptocurrency built to be more accessible to regular miners by using a memory-heavy algorithm. Also known as Equihash-BTG, it was created to fight the dominance of specialized mining hardware. That’s where Equihash, a proof-of-work algorithm designed to be ASIC-resistant by requiring large amounts of RAM. It’s not a coin—it’s the rulebook that tells miners how to solve puzzles comes in. Unlike Bitcoin’s SHA-256, which favors raw computing power, Equihash forces miners to store and shuffle massive datasets in memory. The idea? Make it too expensive and complex for big factories to build custom chips that crush regular rigs.

That plan worked… at first. Early adopters of Zcash, Bitcoin Gold, and other Equihash coins used GPU mining, a method using graphics cards to solve cryptographic puzzles, ideal for memory-heavy algorithms like Equihash because they had enough memory and flexibility. But as with every algorithm that tries to stay fair, the market found a way. Within a few years, companies like Bitmain and MicroBT built ASIC miners, specialized hardware designed to mine specific cryptocurrencies with maximum efficiency that could handle Equihash better than any GPU. Suddenly, the dream of home miners competing on equal footing was gone. The same hardware that was supposed to level the playing field ended up concentrating power in the hands of the biggest players.

Today, Equihash is a lesson in unintended consequences. It wasn’t broken—it was outsmarted. The algorithm still runs on chains like Bitcoin Gold and Horizen, but the miners are no longer hobbyists with graphics cards. They’re data centers running silent, power-hungry machines built for one thing: solving Equihash puzzles faster than anyone else. If you’re still mining Equihash coins today, you’re either running a farm with dozens of ASICs or you’re trading the tokens, not mining them. The algorithm’s legacy isn’t in decentralization—it’s in showing how quickly even the smartest crypto designs can be overtaken by market forces.

Below, you’ll find real breakdowns of the coins that used Equihash, the exchanges where you can trade them, and the mining hardware that ended the era of fair play. No fluff. Just what happened, who got left behind, and what it means for the next algorithm that tries to beat the giants.