Foundations of Blockchain

Ethereum token

Ethereum contains a token called ether, which powers the functionality of the blockchain. All the transactions in Ethereum need a small ether fee to be included in the blockchain. This small unit of computation is called gas. Unlike NEO's GAS token, which was discussed in Chapter 7, Diving into Blockchain – Proof of Ownership, gas is not a separate token, but a small unit of ether.

Ether

Ether is a cryptocurrency used in the Ethereum ecosystem. Ether can be used as a virtual currency just like Bitcoin. It can be transacted with the help of a public key and private key that is owned by the user. Ether tokens are traded in cryptocurrency exchanges under the ETH symbol.

Gas

Gas is a small ether fee that needs to be attached when ...