December 2018
Intermediate to advanced
422 pages
11h 8m
English
Content preview from Mastering Ethereum
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Quick Glossary
This quick glossary contains many of the terms used in relation to Ethereum. These terms are used throughout the book, so bookmark this for quick reference.
- Account
-
An object containing an address, balance, nonce, and optional storage and code. An account can be a contract account or an externally owned account (EOA).
- Address
-
Most generally, this represents an EOA or contract that can receive (destination address) or send (source address) transactions on the blockchain. More specifically, it is the rightmost 160 bits of a Keccak hash of an ECDSA public key.
- Assert
-
In Solidity,
assert(false)compiles to0xfe, an invalid opcode, which uses up all remaining gas and reverts all changes. When anassert()statement fails, something very wrong and unexpected is happening, and you will need to fix your code. You should useassert()to avoid conditions that should never, ever occur. - Big-endian
-
A positional number representation where the most significant digit is first. The opposite of little-endian, where the least significant digit is first.
- BIPs
-
Bitcoin Improvement Proposals. A set of proposals that members of the Bitcoin community have submitted to improve Bitcoin. For example, BIP-21 is a proposal to improve the Bitcoin uniform resource identifier (URI) scheme.
- Block
-
A collection of required information (a block header) about the comprised transactions, and a set of other block headers known as ommers. Blocks are added to the Ethereum network by miners. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.