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An application-specific integrated circuit (ASIC) is a type of circuit that has been designed for a single specific purpose. An ASIC miner refers to a device that uses microprocessors for the sole purpose of “mining” digital currency. Generally, each ASIC miner is constructed to mine a specific digital currency. So, a bitcoin ASIC miner can mine only bitcoin. One way to think about bitcoin ASICs is as specialized bitcoin mining computers, or “bitcoin generators,” that are optimized to solve the mining algorithm.

Developing and manufacturing ASICs as mining devices is costly and complex. Because ASICs are built especially for mining cryptocurrency, they do the job faster than less powerful computers. ASIC chips for cryptocurrency mining have become increasingly efficient, with the latest generation operating at around just 29.5 Joules per Terahash.

Understanding Application-Specific Integrated Circuit (ASIC) Miners
Instead of being general-purpose integrated circuits—like RAM chips or PC or mobile device microprocessors—ASICs employed in cryptocurrency mining are specific integrated circuits designed solely to maintain the bitcoin blockchain—a public shared database that stores digital information.

Originally, bitcoin’s creator intended for bitcoin to be mined on central processing units (CPUs)—your laptop or desktop computer. However, bitcoin ASICs surpassed both CPUs and graphics processing units (GPUs) in terms of their reduced electricity consumption and greater computing capacity. After first gaining traction in mid-2013 when other hardware mining devices started hitting their bottlenecks in mining, Bitcoin ASIC miners have retained their lead.

Bitmain Confirms Halting Its Shipment of Antminers to Chinese Customers
Bitmain, one of the world’s largest manufacturers of bitcoin mining machines, confirmed it will halt shipping Antminers to mainland China.

“From October 11, 2021, Antminer will stop shipping to mainland China (excluding Hong Kong and Taiwan),” according to a statement from Bitmain’s official WeChat account. The move doesn’t affect Bitmain’s overseas customers and the company said that it has increased the supply of Antbox to speed up the construction of overseas mines.

On Sept. 28 CoinDesk cited three sources who said that Bitmain was planning to suspend sales of its machines to miners in mainland China, after the sweeping ban on crypto activity imposed by the country’s government.

China’s crackdown on the crypto industry has created an opportunity for the miners outside of the region to participate in the sector, resulting in a recovery in bitcoin network’s hashrate, or computing power, which is a key gauge of mining activity.

What’s inside a WhatsMiner? Disassembling a Bitcoin ASIC

http://www.aozhiminer.com/