Merge branch 'master' into master

README.md

@@ -55,6 +55,18 @@ $ docker run --rm -p 82:5000 blockchain
 $ docker run --rm -p 83:5000 blockchain
 ```
 
+## Installation (C# Implementation)
+
+1. Install a free copy of Visual Studio IDE (Community Edition):
+https://www.visualstudio.com/vs/
+
+2. Once installed, open the solution file (BlockChain.sln) using the File > Open > Project/Solution menu options within Visual Studio.
+
+3. From within the "Solution Explorer", right click the BlockChain.Console project and select the "Set As Startup Project" option.
+
+4. Click the "Start" button, or hit F5 to run. The program executes in a console window, and is controlled via HTTP with the same commands as the Python version.
+
+
 ## Contributing
 
 Contributions are welcome! Please feel free to submit a Pull Request.

blockchain.py

@@ -149,9 +149,10 @@ class Blockchain:
     def proof_of_work(self, last_block):
         """
         Simple Proof of Work Algorithm:
-         - Find a number p' such that hash(pp'h) contains leading 4 zeroes, where p is the previous p'
-         - p is the previous proof, p' is the new proof, and h is the hash of the last block
 
+         - Find a number p' such that hash(pp') contains leading 4 zeroes
+         - Where p is the previous proof, and p' is the new proof
+         
         :param last_block: <dict> last Block
         :return: <int>
         """