# Privacy in Bitcoin Transactions

<figure><img src="/files/Mb1wqo4VgWXMz0XHLO4x" alt=""><figcaption></figcaption></figure>

The necessity to announce all transactions publicly precludes this method, but privacy can still be maintained by breaking the flow of information in another place: by keeping public keys anonymous.

\- Satoshi Nakamoto, Bitcoin Whitepaper

In the realm of Bitcoin, the necessity to announce all transactions publicly presents a challenge to privacy. However, privacy can still be preserved by **anonymizing public keys**. While the public can observe that a transaction is occurring—specifically, the amount being sent from one party to another—the **identities of the parties involved can remain obscured**. This is **akin to the operations of stock exchanges**, where the time and size of trades are disclosed, but the identities of the trading parties are not.

To enhance privacy, it is advisable for users to employ a **new key pair** for each transaction. This practice minimizes the **risk of linking multiple transactions to a single owner**. However, it is important to note that some linking may still occur, particularly in **multi-input transactions**, where the inputs reveal that they were owned by the same individual. If the owner of a key is identified, it could potentially expose other transactions associated with that key, thereby compromising privacy.


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