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Question - 1 : বিগ ব্যাং তত্ত্বের আধুনিক তত্ত্ব ব্যাখ্যা উপস্থাপন করেছেন -

a) আব্দুস সালাম

b) জি লেমেটার

c) স্টিফেন হকিং

d) এডুইন হাবল

Right Answer: c) স্টিফেন হকিং

How Does Bitcoin Work?

Bitcoin is a kind of electronic cash (Cryptocurrency) that is self-ruling from customary banking and came into dissemination in 2009. As indicated by a portion of the top online dealers, Bitcoin is considered as the most popular computerized cash that depends on PC systems to tackle complex numerical issues, so as to check and record the subtleties of every exchange made.

The Bitcoin swapping scale doesn't rely upon the national bank and there is no single position that oversees the stockpile of Cryptocurrency. In any case, the Bitcoin cost relies upon the degree of certainty its clients have, as the more significant organizations acknowledge Bitcoin as a strategy for installment, the more fruitful Bitcoin will turn into.

Made in 2009 by an unknown cryptographer, Bitcoin works on the reason that anything, even impalpable bits of code, can have esteem inasmuch as enough individuals choose to regard it as important. Bitcoins exist just as computerized portrayals and are not pegged to any conventional money.