Technical

In the Technical section you’ll find articles about specific software components, programming concepts, cryptography and other pieces that make up cryptocurrency systems.

We also try to cover new tech and interesting concepts that you might come across in the crypto scene.

ELI5: What is BetterHash? by @Cryptobill
BetterHash is a cryptocurrency mining method developed by Bitcoin Core developer Matt Corallo. The main idea behind BetterHash is to improve decentralization of Bitcoin mining e...
ELI5 Semi-formal Cryptocurrency Development by @Cryptobill
We've previously discussed formal software verification as related to crypto programming. Today we'd like to discuss an intermediary concept called semi-formal cryptocurrency de...
ELI5 Cryptocurrency Sharding by @Cryptobill
If you come from the world of IT, then you've probably heard of database or disk data sharding. For those who don't come from IT, a real simple way to put it is that sharding me...
ELI5 Zero Knowledge (ZKP) cryptocurrency proofs? by @Cryptobill
In cryptographic theory, a zero knowledge proof is a method by which you can convince someone, who does not necessarily trust you, that you possess a piece of knowledge (proof) wit...
Is your cryptocurrency at risk of a 51% attack? by @Cryptobill
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 ...
ELI5 : What is a Directed Acyclic Graph (DAG)? by @Cryptobill
A Directed Acyclic Graph, or DAG, is a graph where no "loops" exist. You can only traverse a DAG in the forward direction, even if you take different paths in the graph. Esse...
Understand the Double Spending problem by @Cryptobill
As the name implies, the double spending problem consists in executing a transaction twice while subtracting only once from your balance. This, of course, represents a failed finan...
What is Turing completeness and how does it relate to cryptocurrencies? by @Cryptobill
Turing-completeness refers to a characteristic of computing platforms where a computer that is deemed Turing-complete can execute all programs that a Turing Machine would be able t...
Understand the challenges of decentralized databases (e.g. the Bitcoin ledger) by @Cryptobill
Decentralization is what makes Bitcoin special. Cryptocurrencies are simply applications of the more general concept of decentralized databases. In fact, Bitcoin is one large datab...
What is “formal verification” of cryptocurrency software? by @Cryptobill
You may have heard that Cardano ADA is aiming for formal verification of its core software. What does it mean for software programs to be formally verified? Why is it important ...