Australian based project, Power Ledger, is niched in the solar energy sector; positioning itself as a base platform for the trading and engagement activities of different players around the sector, using its decentralized peer to peer blockchain backed ecosystem to make use of surplus electricity.
Mining is the process through which; cryptocurrencies are generated, transactions are verified, and ledgers are stored and backed.
USA based, Factom, is a project that seeks to offer blockchain solutions for data and security management.
Cryptocurrencies are electronically held units of exchange, also referred to as digital currencies or digital coins.
Trade goes way back, even before the discovery of fiat money people used to exchange goods for goods, a form of trade famously known as barter trade, this was for a long time a means that seemed to work for the better part of the whole community.