The latest equipment is required for mining, and when it was forbidden to manufacture machinery, we couldn't afford new ones, so finally mining had to be halted, he said. Around the same time, profit margins dropped in the post-2017 bear market, which prompted him to concentrate more on exploration than on mining.
Bitcoin mining is energy consuming. According to the Cambridge Bitcoin Electricity Usage Index, global operation absorbs approximately 60 terawatt-hours each year (in 2017, the planet consumed a total of around 25.000 TWh). Electricity costs usually reflect a high percentage of overall mining spending.
Power shortages are one reason why the government has outlawed ASIC devices, said Sidharth Sogani, CEO of CREBACO Global, a Mumbai-based credit rating and blockchain consulting company. India suffers from a lack of power, with millions of people still without reliable supplies. He also said the other explanation might be the unique integrated circuit of ASIC devices, which is only good for bitcoin mining and can't be used for anything else.
Nowadays, GPU mining is the only alternative left to Indian miners, but it is not lucrative and even then the legal status of mining in India is not certain.
The vocabulary of current laws does not help, said Pabitra Mohan Mishra, a lawyer at Finlaw, a consulting company in Mumbai. Words such as "money" and "mining" may be translated as printing new notes or mining coins, which is a government right and not for people.
Apparently, it is unethical to publish a note. Nonetheless, the law on crypto mining is still not very specific in India, and this is why some of the miners were jailed in 2017-18, and the cases are still going on, Mishra said.
Mishra warns citizens not to mine until new cryptocurrency rules are in effect. "Keep out of the crypto mining business in India. You should sell it, though.