Digital Art World (DAW) is a dedicated site to buy or sell tokens tied the digital asset such as a picture and a photograph. If you sell original arts, the copyright of your arts files will be kept by ERC 721 tokens based on block chain technology. Therefore, only token owner can see the registered "original" art files. Additionally, registered art files may be something you have never seen before and you can get it in DAW. These art files may grow its value by those who want it.