This is a post by guest author Sebastian Neumann about privacy in bitcoin transactions and methods of de-anonymizing addresses by determining a transaction’s change address.
The question of privacy has been one of the main concerns ever since the creation of cryptocurrencies and blockchain transactions. Can one follow the funds on blockchain and reveal senders privacy even if bitcoin mixers are used?
In this article we will explore the following problem: is it possible to recognize which of the addresses in a BTC transaction can be attributed to another person, and which still belongs to the sender because it is a change address.(more…)