Hi, I originally wanted to start with Bitcoin because it has a higher adoption rate. However, there is a little debate on whether you can safely reuse the same address. Regardless of whether you should or shouldn’t, most bitcoin wallets are set up to create a new address for each use, so it’s not really possible to get people to think about their address as identification. People are more prone to reuse their address with Ethereum. From my research, it is OK to reuse your Ethereum address, and more people reuse, so it’s something that could be converted to a form of identity. For privacy with ownership, I don’t think you can without having something to link a sequence of actions or behavior. Have you also looked at the uPort project?
