I have a directed graph with nodes. Call it a graph of cities and roads connecting them. The cities are named in a mostly but not guaranteed-unique way. A road is identified by the city it departs ...

The concept of blockchain as a standalone technology started gaining popularity in 2015. Prior to that, it was just known as a data structure underlying Bitcoin technology. In Satoshi Nakamoto’s white ...

Bitcoin, created by an anonymous entity known as Satoshi Nakamoto, utilizes a blockchain, a distributed and immutable ledger that records all transactions in a linear fashion. Each block in the chain ...