We all know that blockchain technology provides unmatched transparency by recording all transactions, but how can we maintain an appropriate level of privacy in this decentralized network?
Make use of a mixer if you needed a privacy, secondly you can make use of bitcoincore to run your own node, download it's software over Tor, privacy is very important in dealing with bitcoin transaction and as long as you're not using a centralized exchange.
Is it possible to guarantee anonymity in Bitcoin?
Yes, that's bitcoin privacy as well, the bitcoin network is know as a p2p network, there's more of anonymity in this regarding privacy and the kind of wallet you're using, you have the decision with yourself to anonymize your bitcoin or not