Why we need decentralized systems

The coming of blockchain and bitcoins have amplified decentralization as never before. While there are assertions that decentralization has given advantages to the “bad guys” to carry out their evil schemes, there is very good reasons to believe that decentralization is what we need as a society in this era.

Self-sovereign identity and identity management

Today, there are three major problems with how we transact online today: users have low privacy, fraud prevention efforts cost businesses a lot of money, and password-based authentication leads to frequent data breaches. Will the blockchain-based self-sovereign Identity rectify these?

Blockchain indexing – a marvelous feat!

The graph has immerged as that blockchain “search engine” equivalent to google… it is a protocol developed to specifically index and make queries on blockchain data. As a blockchain user, you have much to explore and learn about the Graph.

Blockchain application and foreign aid

Foreign aid disbursements have been a challenge for donor countries for some time. The aid is normally sent to developing countries in war-torn countries, refugee camps and underdeveloped countries especially in Africa, South America and middle east. some of the challenges have been lack of accountability, absence of records and the aid not reaching the intended recipients. Blockchain, however, seems to have been the solution already. This article will discuss how that could be possible and how it is being done.

Enterprise blockchain platforms part 1

by Lumai Mubanga Enterprise blockchain is essentially the type of blockchain intended to empower a private network with some central authority controls that is able to take part in consensus and validate transactions on the network. The rise of enterprise blockchain has been supported different types of enterprise blockchain platforms. Enterprise blockchain platforms exist precisely […]

Why blockchain will appeal to sensitive consumers

Sensitive users will now be able to purchase any time with a clear conscious because they will have known everything about the product before purchasing it. Indeed, when fully-fledged, sensitive users will find block chain more appealing.

How blockchain threatens traditional third parties (part 2)

In addition to part 1, this article will focus on some other third party based payment systems and how their existence could be threatened because of the unrelenting conquest launched by block chain.

Is bitcoin really decentralized?

The whole point of developing cryptocurrencies has been taking control back to the people, the users. Bitcoin and indeed all cryptocurrencies have been developed to empower ordinary users with complete control and easy access to their assets, in this case, money. Thus, the central hold and control of huge financial firms on people’s money have been threatened.

Digital signature schemes – How they work?

By Lumai Mubanga. [email protected] All cryptocurrency users have two types of digital signatures. These are private and public keys. Recall that both messages and transactions are sent over the Bitcoin network pseudonymously and trustlessly. This is achieved partly through the use of digital signatures. Transactions contained in previous blocks of the blockchain are tamper-proof, meaning […]

Validating transactions in crypto space

By Lumai Mubanga. [email protected] The absence of a central control master in cryptocurrencies creates the question of who validates transactions when making or receiving payments. This article explains how Bitcoin transactions and other cryptocurrencies are validated. Let us begin with the traditional banking transaction scenario. The client’s fund is aggregated into one count. When a […]