Considering the fact that the major features of blockchain includes transparency, security, immutability, and decentralization.. overall , the blockchain technology provides a secure and sufficient way to record and verify transactions in the cryptocurrency world today.
I thought you were asking a question but you are telling us what we already know. Blockchain technology is important for bitcoin because tractions are being processed by miners without knowing who is performing the transition and who you are transacting with. Decentralization is the key.