In Shariah, there is no valid reason to accept Bitcoin or other Cryptocurrencies as a currency. It is just an imaginary number, which is generated through a complex mathematical process. It is purchased for Gambling or Speculations, and used in illegal or unlawful transactions”.
You should increase your knowledge before declaring this. Bitcoin is used everywhere for good activities also and there is no inflation in bitcoin.
Is the fiat currency not used in gambling and speculation ?
BITCOIN BTC IS HALAL