The invention of Bitcoin & Worldwide acceptance

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By Lumai Mubanga. [email protected] With B-Money, HashCash and DigiCash having laid the foundation as bitcoin Predecessors, Bitcoin was set to do what no other cryptocurrency before it had ventured to do; create an anonymous, trustless, decentralized currency. Instead of putting trust in any human or human organization, the bitcoin protocol was set to attempt putting […]

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Pitfalls of proof of stake consensus part 1

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Aside from addressing many bottlenecks associated with proof of work, proof of stake is not without its flaws. For instance, it seem to have introduced its own problems such as the “Rich getting richer”, liquidity issues and the possibility of one changing the history of the block chain.

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Can cryptocurrency be legal tender?

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by Lumai Mubanga Legal tender is usually government-issued and controlled. It is regarded, as a national assert recognized and used as legal tender in other neighbouring countries. Legal tender is also regarded as national pride and a sign of sovereignty. Some more powerful legal tender currencies like the US Dollar are also used as reserve […]

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Implications of blockchain design models (Part 1)

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Blockchain designing principles have direct implications on the way the blockchain will scale, operate and interact with users. To a larger extent, the chosen design perspective determines how many users can use the blockchain at a given time and how fast transactions can be processed.

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Types of Bitcoin wallets

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By Lumai Mubanga. [email protected] There are many forms of crypto wallets but basically, they are categorized into two groups as either hot or cold. Hot Wallets Hot wallets are online based but the difference lies in the method of access. Smartphone Apps Some examples of hot wallets are smartphone apps such as Mycelium and AirBitz. […]

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Likely barriers to blockchain adoption in developing countries

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While the developed countries easily adopt these technologies easily because of their educated populace and advanced infrastructure, the developing countries have their own challenges that make them either delay or forego the adoption. This article will highlight the most likely barriers developing countries will likely face in adopting blockchain.

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Why people may be turning to blockchain for financial trust

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After the 2007 to 2009 financial meltdown that left millions financially stranded and asset-stripped, people seemed to have gained a measure of trust to blockchain and cryptocurrencies that came on board almost immediately.

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Ethereum and tokenization

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The three biggest blockchains have different approaches to tokenization. The Ethereum and bitcoins blockchain hold tokens while the Hyperledger does not. What is the purpose of some tokens on the Ethereum blockchain? How does it differ from other tokens?

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Digital signature schemes – How they work?

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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 […]

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Self-sovereign identity and identity management

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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?

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