See Also
Opinion: Decentralized blockchains can only survive having a valuable token, like Bitcoin, attached to them [Feb 2018]
We’ve heard this time and again, especially from folks in the financial sector: “blockchain is here to stay, Bitcoin not so much”. Is this really so? We disagree, and in this article we discuss the origins of Bitcoin and how the problem it solved only makes sense when there’s a reward for participants to join […]
Is your cryptocurrency at risk of a 51% attack?
Half plus one attacks could theoretically happen to any Proof of Work based cryptocurrency. The amount of risk of such an attack happening depends on several factors, including the number of miners who participate in the network, the distribution of hashrate among the miners, the existence of unknown and exploitable security flaws and other factors. […]
What is the difference between digital money and cryptocurrencies?
Cryptocurrencies are a form of digital money, but what we normally understand as digital money is represented in fiat currency. For instance, prepaid cards, virtual credit cards and other forms of digital money are simply fiat money deposited into some account under a traditional banking institution. Parents, for instance, can load up their children’s cards […]
How decentralized is Bitcoin? How can Bitcoin be secure if nobody controls it?
Bitcoin’s decentralized consensus system is the key to understanding how it can be secure without anyone in particular having to verify every transaction. In the same article, we’ve discussed the particulars of the Byzantine Generals’ problem and how Bitcoin solved this classic dilemma when applied to digital currencies. Here we will discuss what controlling Bitcoin […]