Proof of concept blockchain that ensures the integrity of chronological events/data. For example, one could prove that they submitted a given document at a given time before someone else. You can submit a hash of the document, keeping the original document secret while still securing the timestamp on the blockchain.

• Original Content Creation
• School Assignment Submissions
• Record Keeping

• Network I/O
• File Persistence
• Multithreaded/Atomicity with C++ atomic library

• Compile with Makefile (tested with g++ version 7)
• (Optional) Modify Blockchain.dat with desired data. Currently includes Genesis block and sample data, with correct format.
• Run Blockchain.exe
• Arguments:
  • -p : Port on which to listen (default 41100)
  • -h help

• Compile with Makefile (tested with g++ version 7)
• Run client.exe
• Arguments
  • -p : Port on which to send to (default 41100)
  • -u : User ID
  • -m : Document body
  • -h help

Uses SHA-256 encryption, see SHA256_LICENSE for additonal licensing information.