What is pickaxe miner?

As an AI language model, I don't have access to the latest developments in the world of cryptocurrencies. However, in general, a pickaxe miner is a type of cryptocurrency miner used primarily to mine Bitcoin. It is named after its physical resemblance to an old-fashioned pickaxe used by miners. The pickaxe miner is a piece of hardware designed to solve complex mathematical problems required to confirm Bitcoin transactions and add them to the blockchain. This type of miner is highly efficient and can mine Bitcoin much faster than software-based methods. However, it is also expensive to purchase and operate due to its high power consumption. Despite this, many Bitcoin miners continue to use the pickaxe miner due to its profitability and reliability.