block chain | The Blog Pros

January 14, 2021

How to Build a Cryptocurrency Exchange Application and How Much It Would Cost

You probably heard of the most recent trend in the world of cryptocurrency. After all, just about everyone is “mining” these days. However, there aren’t enough GPUs to meet demand.

Cryptocurrency is attainable even for those who aren’t tech-savvy. At some point, people discover Ethereum, Bitcoin, and Litecoin, all of which can be used just like the Euro and Dollar. Transactions are made with a cryptocurrency wallet. This form of cryptocurrency is alluring: the cost of transactions is minimal in comparison to national currencies.

June 27, 2020

Cryptographically Securing Democratic Elections with Block Chain Technology

Securing Democratic Elections using cryptography, is actually very easy. In fact, what I am describing in this article, is really nothing but "blockchain for Democracy". But since we're all coders here, let me start with some simple pseudo code.

    Plain Text
   
xxxxxxxxxx

openQueueSempahore
  if (firstVote)
    oldHash = hash(subject + body)
  else
    oldHash = previousVoteHash
  newHash = hash(oldHash + username + voteValue)
  insertVote(username, voteValue, newHash)

The whole idea with the above pseudo code, is that it results in a "chain of votes", where each individual vote, is based upon its previous vote's hash value. Then the first vote, is based upon the hash value of the subject and its content.

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