DNS aka NameCoin is still the best use case in my opinion. Even there, the current centralized "everybody trusts ICANN" works well enough. It would require a s

DNS aka NameCoin is still the best use case in my opinion. Even there, the current centralized "everybody trusts ICANN" works well enough. It would require a situation close to WW3 such that China decides to create their own top-level registrar maybe. Then the EU does a third and then the world splits into chaos. Then NameCoin could arise as a neutral viable alternative. Looks very unlikely to me.