1. 2008. Bitcoin: A Peer-to-Peer Electronic Cash System. https://bitcoin.org/bitcoin. pdf. (2008). 2008. Bitcoin: A Peer-to-Peer Electronic Cash System. https://bitcoin.org/bitcoin. pdf. (2008).
2. 2016. Growth Market in South Africa. http://www.timeslive.co.za/thetimes/ article1508818.ece. (2016). 2016. Growth Market in South Africa. http://www.timeslive.co.za/thetimes/ article1508818.ece. (2016).
3. 2017. CouchDB. http://couchdb.apache.org. (2017). 2017. CouchDB. http://couchdb.apache.org. (2017).
4. 2017. Ethereum. https://www.ethereum.org. (2017). 2017. Ethereum. https://www.ethereum.org. (2017).
5. 2017. Google Direction Service's API. https://developers.google.com/maps/ documentation/directions. (2017). 2017. Google Direction Service's API. https://developers.google.com/maps/ documentation/directions. (2017).