Ethereum also provides a cryptocurrency token called "ether", which can be transferred between accounts and used to compensate participant nodes for computations performed. "Gas", an internal transaction pricing mechanism, is used to mitigate spam and allocate resources on the network.
Enterprise Ethereum Alliance (EEA)ERC20 is the Ethereum token standard
More Information#There might be more information for this subject on one of the following:
- Lightweight Ethereum Identity
- Merkle Tree
- Smart contracts
- Web Blog_blogentry_130418_1