Only 40 of the top 100 cryptocurrencies have working products that offer "real value" to the public, a study by Invest in bitcoin has shown. Researchers defined a working product as being "active and available to the public". Well-known digital currencies such as Blockchain , bitcoin cash and litecoin met the criteria, alongside smart contract platforms such as ethereum and lesser-known currencies such as zcash and zencash . " Typically, functionality includes services such as messaging or performing secure financial transfers. The prices of bitcoin , ethereum and other cryptocurrencies have fallen steeply in value since the beginning of 2018 .
Only 40 of the top 100 cryptocurrencies have working products that offer "real value" to the public, a study by Invest in bitcoin has shown. Researchers defined a working product as being "active and available to the public". Well-known digital currencies such as Blockchain , bitcoin cash and litecoin met the criteria, alongside smart contract platforms such as ethereum and lesser-known currencies such as zcash and zencash . Typically, functionality includes services such as messaging or performing secure financial transfers. The prices of bitcoin , ethereum and other cryptocurrencies have fallen steeply in value since the beginning of 2018 .