When you write smart contracts in Solidity you will use modifier for each function that indicates accessibility for the functions.
Cryptonote
Cryptonote is a cryptocurrency like Bitcoin, Ethereum, etc. Many coins like Dash, PIVX are forked from Bitcoin but Cryptonote has a completely different codebase like Ethereum. Cryptonote is very convenient to fork; it’s official Readme explains that method in detail. There are several cryptocurrencies which are forked from Cryptonote like Monero, which is 9th ranking …
Relay
Relay is a library to interact with GraphQL. https://facebook.github.io/relay/ It is used in React projects to communicate with GraphQL backend. There are 2 most widely used GraphQL front-end frameworks – Relay and Apollo. Relay is mainly used for large scale applications.