A cryptocurrency created by Vitalik Buterin that runs on Ether (ETH). Ethereum was the first blockchain-based technology to make smart contracts and decentralized applications possible.

ERC20 Token

A token issued on the Ethereum platform.

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Ether (ETH)

The native tokens of the Ethereum platform. Required in order to send transactions or execute smart contracts.


Ethereum Virtual Machine. A testing environment on the Ethereum network for executing smart contracts and promoting security.


Online platforms on which individuals can buy and sell cryptocurrencies.


A third party used to facilitate transactions and increase security.


Exchange Traded Fund. A group of assets that can be bought or sold as a single asset.

Ephemeral Layer

An extremely secure messaging functionality offered by QRL.


Transforming data into unrecognizable code that can only be decoded with the exact decryption key.


The predominant standard for creating smart contracts on the Ethereum blockchain. Others may include ERC 721, ERC888, and more