How can I use a linked list data structure to store transaction history in a cryptocurrency wallet?

1 answers

• Faisal Iqbal SajibMar 06, 2025 · 4 months ago
  Storing transaction history in a cryptocurrency wallet using a linked list data structure can be a viable solution. Each node in the linked list can represent a transaction and store relevant details such as the transaction ID, sender, receiver, amount, and timestamp. The advantage of using a linked list is its flexibility in terms of adding and removing transactions. It allows for efficient insertion and deletion operations, making it suitable for managing transaction history. However, one potential drawback is the linear search time required to access a specific transaction by its index. This can become a performance issue for large transaction histories. To mitigate this, you can consider implementing additional data structures like hash tables or indexes to improve search efficiency. When implementing a linked list for transaction history storage, it's important to ensure data integrity and security. Implementing proper encryption and access control measures can help protect the transaction history from unauthorized access or tampering. Regular backups and redundancy strategies should also be in place to prevent data loss in case of system failures.
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