See Also
Proof of Location (PoL) Summary [Cryptocurrency consensus mechanisms]
In a Proof of Location consensus algorithm, users’ geospatial coordinates are accounted for as proof of value. This kind of algorithm is usually employed in cryptocurrency geomining systems. In a geomining application, users earn rewards for being at a certain place at a certain time. If, for example, a company wished to gather participants for […]
ELI5 Bitcoin Puzzle Transactions
As the name implies, Bitcoin puzzle transactions are created as a challenge and not for the usual purpose of monetary transfer. Puzzles can be published for several reasons, including software test bounties, marketing campaigns or just for fun. Early Puzzles In the early days of Bitcoin, when $BTC coins could be found for free on […]
bitcoind.cpp – Commented Bitcoin source code
As mentioned in the Bitcoin-Qt commented source code post, there are several approaches one can take to step into the Bitcoin source in approximately the same order as it runs. For instance, tests are a great source of tiny example programs. Then there’s the ubiquitous Bitcoin-Qt client and, of course, bitcoind. All are good options […]
Proof of Elapsed Time (POET) Summary [Cryptocurrency consensus mechanisms]
In this poetically named consensus mechanism, network participants prove that they have slept for a random amount of time before being able to mint a block. POET was released by Intel in 2016 and was originally aimed at trusted computing using Intel CPU’s. A special instruction set called Software Guard Extensions (SGX) allows programs to […]