Address reuse refers to the practice of using the same wallet address for multiple transactions. In cryptocurrencies, each wallet address is generated from a user’s public key and is meant to be unique. Ideally, users should generate a new address for each transaction to enhance privacy and security.When someone reuses an address, it can lead to several issues. First, it compromises anonymity; anyone can see the transaction history linked to that address on the blockchain. This makes it easier for others to track the user’s activity and potentially link their identity to their transactions.Additionally, address reuse can increase the risk of theft. If an address is associated with multiple transactions, an attacker who gains access to a user’s wallet or private keys can see all funds and transactions linked to that address.Overall, practicing address reuse can expose users to various vulnerabilities and undermines the foundational principles of privacy and security that many cryptocurrencies aim to uphold. Users are encouraged to adopt best practices by creating and using new addresses for each transaction.