If the main problems of Bitcoin are the speed and the cost of transactions, how can it continue to be the dominant cryptocurrency as popularity and demand increase? Can its source code be modified?holovision (69)in #bitcoin • 5 years ago (edited)View this post on Hive: If the main problems of Bitcoin are the speed and the cost of transactions, how can it continue to be the dominant cryptocurrency as popularity and demand increase? Can its source code be modified?