A command-line software created as the final project for the Data Structures course. Contributed as a C programmer. Implemented blockchain concepts using tree data structure and hashing algorithms.

1. Stefano Christian Wiryana
2. Christoper Luis Alexander
3. Christiano Ekasakti Sangalang

1. View transactions
2. Add transactions
3. Update transactions
4. Verify transaction data (see if a transaction record has been altered)