ডিজিটাল মুদ্রার ব্যবহার প্রথম কোথায় শুরু হয় ?
In 1983, a research paper by David Chaum introduced the idea of digital cash. In 1990, he founded DigiCash, an electronic cash company, in Amsterdam to commercialize the ideas in his research. It filed for bankruptcy in 1998. In 1999, Chaum left the company.
1990