Bitcoin has been hampered by its own popularity. Thanks to the way the blockchain is designed, the speed of transactions is slow and the cost of transactions has increased. Researchers, developers, and the Bitcoin community have been trying to come up with a way of allowing Bitcoin—and other cryptocurrencies—to accommodate more transactions. Their best efforts to date have focused around something called the Lightning Network. Can it fix the cryptocurrency's scaling problems? A blockchain has two limitations we need to explain before exploring potential fixes. The first is speed. In a blockchain, blocks are ... (full story)