The Ontology cryptocurrency (ONT) is a new high-performance public blockchain that incorporates a range of complete distributed ledgers and smart contracts. The Ontology framework supports public blockchain systems and is able to configure various public blockchains to interact with different applications. Ontology supports communication between network chains with different groups of protocols.

Kefir and efir are nothing other than slang names for the Ethereum cryptocurrency.

A soft fork is a soft update of a cryptocurrency protocol that is compatible with older versions of the software, in which the network continues to operate as a single whole and is not split into separate chains.

Cloud mining is the renting of computing power from a third-party service to mine cryptocurrency without buying and maintaining your own equipment, which lowers the barrier to entry but increases dependence on the provider.

A node is a computer connected to a cryptocurrency network that stores blockchain data and verifies transactions according to the protocol rules, sustaining the operation of a decentralized system without a single center.