A Graphics Processing Unit (GPU) is a specialized hardware component primarily designed for rendering images and processing complex graphics. In recent years, it has become essential for mining cryptocurrencies.GPUs are favored in mining because they can perform many calculations simultaneously, making them more efficient than traditional CPUs (Central Processing Units) for certain tasks. They are particularly effective for algorithms that require parallel processing, which is common in cryptocurrency mining.Using GPUs, miners can solve complex mathematical problems that verify transactions on the blockchain. This process often requires significant computational power, and GPUs excel in handling such tasks. As a result, many miners invest in multiple GPUs to increase their hashing power, thereby enhancing their chances of earning rewards through mining.Moreover, GPU mining is versatile; it can be used for various cryptocurrencies unlike ASICs (Application-Specific Integrated Circuits), which are tailored for specific coins. This flexibility allows miners to switch between different currencies based on profitability.