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Mining difficulty reached new all-time highs above 80 trillion as Bitcoin's hash rate exceeded 550 exahashes per second, driven by ETF approvals and next-generation ASIC chip deployment.
Intel unveiled its Blockscale bitcoin mining ASIC chip through a technical presentation at ISSCC in February 2022, marking the semiconductor giant's official entry into the specialized mining hardware market with focus on energy efficiency.
Samsung confirmed in January 2018 that it had begun mass production of ASIC chips for bitcoin and cryptocurrency mining, entering the specialized hardware sector previously dominated by Bitmain and Canaan Creative.
Bitfury began deploying its 16nm ASIC mining chip in mid-2016 with efficiency of 0.06 joules per gigahash and 40 gigahashes per second per chip, advancing mining hardware into a new generation of performance.
Swedish bitcoin mining company KnCMiner filed for bankruptcy after raising $32 million, citing high energy taxes, rising competition from Chinese miners, and the impending July 2016 bitcoin halving.
21 Inc unveiled the Bitcoin Computer, a Raspberry Pi-based device with an integrated mining chip, priced at $399 and designed to let developers earn bitcoin while selling digital services.
Spondoolies Tech has secured $5 million in Series B funding as it develops two new generations of mining chips.
