I would think that since okTurtles is more about encrypted communication and distributed authentication (e.g. NameCoin) than crypto-currencies, it makes a lot m

I would think that since okTurtles is more about encrypted communication and distributed authentication (e.g. NameCoin) than crypto-currencies, it makes a lot more sense to talk about the blockchain mechanism in general than to talk about Bitcoin. The technology might be largely the same, but the use case is very different.