Trade is the essence of a national economy, without trade, no country can survive in this era. Trade can be within the nation or it can be international. While doing business within the territory of a nation no question arises of applicable laws but while doing business internationally things get complicated like applicability of laws, which court will have jurisdiction what will be the remedy if contract is breached etc. and now there is this new kind of currency i.e. cryptocurrency which creates further complications in the market. In this research paper researcher have tried to analyze how cryptocurrency works, what are the effects of cryptocurrency on international trade, what are the pros and cons of using cryptocurrency while doing international transactions, what are e-contracts and what is blockchain technology and have tried to give suggestion for making legal framework internationally.