Usability
Current blockchain systems are relatively difficult to use in comparison to other systems. For instance, the use of any Ethereum-based DApp requires either the installation of a special browser or the MetaMask plugin for Chrome, or the purchase and transfer of Ethereum on one of the public markets and then learning the interface of the desired application. Each action taken requires the expenditure of Ethereum, the exact amount not necessarily known in advance and varying depending on network load.
Once set up, sending a value via a blockchain-based system is relatively easy, but prone to mistakes in the addresses. It is not easy for a human to know whether they are sending the value to 0x36F9050bb22d0D0d1BE34df787D476577563C4fC or 0xF973EE1Bcc92d924Af3Fc4f2ce4616C73b58e5Cc. Indeed, ICOs have been hacked by attackers gaining access to the ICO main website and simply changing the destination address, thereby siphoning away millions.
Some blockchains, such as Bitshares and Stellar...
