1) Controlled supply: Most cryptocurrencies limit the supply of the tokens. In Bitcoin, the supply decreases in time and will reach its final number sometime around the year 2140. All cryptocurrencies control the supply of the token by a schedule written in the code. This means the monetary supply of a cryptocurrency in every given moment in the future can roughly be calculated today. There is no surprise.
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While the country was once home to the world’s most active cryptocurrency exchanges, authorities banned the venues last year and have since moved to block access to platforms that offer exchange-like services. — Fortune, "China Is Said to be Cracking Down on a Cryptocurrency Loophole," 28 Feb. 2018 Bitcoin, however, has become the cryptocurrency standard operating much like U.S. dollar would operate in public currency markets, but in the crypto realm. — Michael C. Dealoia, cleveland.com, "Cleveland-area entrepreneurs are pouring resources into new-currency technolgoy: Tech Czar Talk," 25 Feb. 2018 Some companies, such as KODAK, have promoted cryptocurrency investments in hopes of reviving their flagging businesses. — Mike Rogoway, OregonLive.com, "SEC suspends trading in companies run by former Oregon football star over cryptocurrency 'concerns'," 16 Feb. 2018