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What Is the Primary Difference in the Consensus Mechanism of Zcash Compared to Bitcoin, despite Both Being PoW?

Both Zcash and Bitcoin use a Proof-of-Work (PoW) consensus mechanism, but they differ in the specific hashing algorithm. Bitcoin uses SHA-256, while Zcash uses Equihash (a memory-hard algorithm).

Equihash was initially designed to be more resistant to specialized ASIC hardware, aiming for more decentralized mining via general-purpose CPUs and GPUs, though ASICs have since been developed for it.

How Is SHA-256 Used to Generate a Bitcoin Wallet Address?
Can a Quantum Computer Theoretically Break SHA-256 Encryption, and What Would Be the Impact on Options Pricing for Bitcoin?
What Are the Differences between On-Chain and Off-Chain Transactions in Terms of Security and Reliance on SHA-256?
How Does the ‘Proof-of-Work’ Consensus Mechanism Relate to SHA-256?