They are both for me and valuable at the same time. It it really an asset but because people are accepting it as a form of payment therefore it is a currency.
Yes the answers to this question is bitcoins can be asset and currency, actually depending on the users of bitcoins what will be done with bitcoins, although the main purpose of bitcoins is currency doesn't mean it is must. Because Bitcoin is based on the community they are free to consider bitcoins as an asset or currency, that is uniqueness of bitcoins everyone can be free to participate giving their opinions about the bitcoins.