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Proof of Burn (PoB) Summary [Cryptocurrency consensus mechanisms]
In the Proof of Burn (PoB) consensus mechanism, miners earn the right to mint the next block by burning some value in the blockchain. All proof systems are based on the princip...

Proof of Activity (PoA) Summary [Cryptocurrency consensus mechanisms]
Proof of Activity (PoA) is a cryptocurrency consensus mechanism which combines Proof of Work (PoW) and Proof of State (PoW) into a hybrid mining system. In a PoA system, valida...

C Programming: Reading from inactive union members
Unions are an interesting construct that you're likely to find in C programs. A union looks similar to a struct on the outside, but it has a special quality that it can only h...

Cryptocurrencies cannot ever be worth millions because transaction fees would halt the network
Crypto traders are used to living with wild speculations about future cryptocurrency prices. So much so, these crazy price predictions have begun to be taken only half serious...

ELI5 : What is Gitcoin?
Gitcoin is a bounty market for open source (OSS) projects. It was launched in September 2017 as a tool to promote OSS using cryptocurrencies. The name is a portmanteau of Git a...

Target’s verified Twitter account hacked
Retailer Target's Twitter account was hacked earlier today and is actively promoting a Bitcoin scam. Worse yet, they have taken control of the Target ad account and have pa...

Iterate through all values of errno
Ever wondered about all the possible UNIX error messages? I wanted to see what all the possible errors are, so I wrote a little program which iterates through all possible valu...

Proof of Space (PoSpace) Summary [Cryptocurrency consensus mechanisms]
Proof of Space uses hard disk space as the value used to guarantee a participant's stake in mining. By allocating disk space, the network participant provides value to the netw...

Proof of Capacity (PoC) Summary [Cryptocurrency consensus mechanisms]
Proof of Capacity (PoC) consensus algorithms require network participants to prove they have performed a certain amount of storage operations in order to mine a valid block. Wh...

Proof of Space Time (PoST) Summary [Cryptocurrency consensus mechanisms]
Physicists have been discussing spacetime since the early 1900's. A very smart person, by the name of Albert Einstein, modeled space as 4 dimensions rather than just 3. The axis w...

Concepts In This Page

Consensus Mechanism - A process or system by which multiple parties are able to reach consensus. In the context of cryptocurrencies, it's the process which allows for everyone to agree on everyone else's money balance. E.g. Bitcoin employs Nakamoto consensus via PoW mining.
PoB - Abbreviation for Proof of Burn, where cryptocurrencies are burned to make them more scarce.
Proof of Burn - A consensus mechanism in which proof that coins were "burned" (destroyed) is used as a proof of value.
PoA - Abbreviation for Proof of Authority consensus mechanism
Proof of Activity - A hybrid consensus mechanism consisting of a mix of Proof of Work and Proof of Stake. For example, Decred uses PoA
C Programming - All about programming in the C language.
C Programming Language - The C Programming Language is one of the world's most popular programming languages. C originated the C++ language which is used in several cryptocurrency projects, such as Bitcoin.
union - union is a C and C++ language construct where a single user defined type can take values of different types
Ethereum GAS - The Ethereum cryptocurrency has a separate unit for transaction and smart contract processing fees. It's called GAS and it's a variable multiple of Wei - the smallest fraction of an ETH.
Laffer Curve - Laffer Curve is a concept from Economics, by which there's a curve for taxation and a curve for tax revenue. When taxation crosses a certain point, tax revenue drops because production gets limited by tax. In cryptocurrencies, when fees rise over a certain point, the number of transactions drops as well.

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