As stated, they are intertwined. Bitcoin is created as medium of payment and/or a currency. The reason why its mining pattern is such as gold. Bitcoin is also a technology because it is a program. They are packed into one but of course both industry are in two separate category.
Technically speaking, Bitcoin is a type of currency that is considered as a digital asset. That only means that you will not be able to compare bitcoin to currency as the Bitcoin is also a type of currency. Bitcoin is a cryptocurrency and just wanna share this niche but cryptocurrency means, crypto = digital and currency = currency.
If you are pertaining to the bitcoin's technology, you might be referring to the blockchain, not bitcoin. Blockchain is the technology behind the possibility of bitcoin as a cryptocurrency.