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Questions tagged [terminology]

For questions about words, phrases and definitions that are specific to Ethereum.

2
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1answer
38 views

Clarification about some scalability terminology

I am currently reading about the scalability of Ethereum but I cannot really understand the difference between some terms that occur often. What is the relation between the terms: Layer 1 Layer 2 on-...
0
votes
1answer
30 views

Meaning of “fungibility” in “Zerocash (Zcash)”? [closed]

According to the following article, Zcash provide a high level of "fungibility". compared to other crypto-currencies. Article link: https://www.investopedia.com/terms/z/zcash.asp fungibility ...
2
votes
1answer
143 views

Is “Proof-of-work” a subset of “Byzantine fault tolerance (BFT)”?

Can we say that Proof-of-work is a type of Byzantine fault tolerance (BFT) ? In other words, is PoW a subset of BFT ? Or they are two different categories? Please note that there is a similar ...
4
votes
1answer
466 views

Differences/similarities of “Bitcoin script” and “Ethereum smart contract”?

Can we compare Bitcoin script and Ethereum smart contract ? And if yes, What are differences/similarities of Bitcoin script and Ethereum smart contract in sense of functionality, architecture and ...
1
vote
1answer
29 views

Is blockchain always “public”?

Is the following definition of blockchain by its wikipwdia page correct? Where it is mentioned: A blockchain is a decentralized, distributed and public digital ledger ... Cannot we have a ...
1
vote
1answer
120 views

What does “third party liquidity” mean in blockchain technology?

In this what paper, it's mentioned that one of the reasons to use blockchain technology for the energy trading is: Provide 3rd party liquidity. What does "third party liquidity" mean in blockchain ...
1
vote
1answer
300 views

What does “Topics” mean in “Event log”? [duplicate]

When we invoke an event as follows : event MyEvent(uint256 indexed _id, bytes32 _action, bytes32 _player, bytes32 _actionState, address _owner); emit MyEvent(uint256(_public_id), bytes32(_action), ...
0
votes
0answers
181 views

What are former miners called in PoS?

is there a name for the former role of PoW miners in a Proof of Stake system? I've read about "forgers" or people just still called them "miners" as beforehand for the people that are responsible for ...
3
votes
2answers
612 views

Who, what or where is a contract executed on a call? [duplicate]

In most exaplanations of the essentials of Ethereum, I miss an important detail: "Who runs the computations of a smart contract?". Say I make a call, add some gas, all of which allows me to, say, ...
1
vote
0answers
199 views

What is the difference between authoring/signing/sealing/mining/validating/importing blocks in a Private Aura chain?

I want to make sure I'm using this terminology correctly, especially in terms of a private chain using Aura consensus on Parity. Authoring/signing/sealing/mining I think I understand fine. Authoring ...
4
votes
1answer
2k views

What does presale mean in Ethereum?

I have seen a lot of discussions about presale wallets, but have no idea what it means. What do the terms "presale" and "presale wallet" mean in Ethereum?
4
votes
1answer
666 views

What is “Weak Subjectivity”?

Vitalik explains "Weak Subjectivity" in this blog here, but it's too difficult to beginners. Can anybody please explain this a bit more easily?
8
votes
2answers
2k views

What does Parity logs means?

Usually, Parity logs looks like: 2016-12-04 20:56:28 Syncing #2346672 6eb0…3382 2 blk/s 25 tx/s 0 Mgas/s 13529+ 0 Qed #2360201 0/ 8/25 peers 10 MiB db 6 MiB chain 50 MiB ...
8
votes
2answers
46k views

What does it mean that the next DAG is in X days?

Before you jump all over this a duplicate question. I did read things related to DAG like here: What actually is a DAG? But that doesn't answer my question, what does it mean when my mining pool ...
2
votes
2answers
45 views

In the Art of DAO challange, I could not understand the use of “Approve”.

Should it not be such that as soon as I send the ether to any DAO, I will immediately receive the tokens ? So what is the use of approve here ?
9
votes
2answers
939 views

How does Ethereum Classic differ from Ethereum?

What are the technical differences between Ethereum Classic and Ethereum?
11
votes
1answer
3k views

What is the difference between transaction and message?

What is the definition of a transaction and a message in Ethereum? How are they different?
5
votes
1answer
7k views

Difference between full node,light node and miner [duplicate]

I am in confusion of the terms full node, light node ,miner and non-mining/non-miner. Please help me differentiate
5
votes
1answer
111 views

Please help define “public economic consensus” used by Vitalik Buterin

In a recent paper titled, "Ethereum Platform Review: Opportunities and Challenges for Private and Consortium Blockchains" by Vitalik Buterin, he mentions the notion of public economic consensus. Can ...
6
votes
2answers
4k views

What is an 'EOA' account?

Cointelegraph has recently written about 'EOA' in relation with contracts and accounts. As an EOA, the state simply stores the account's balance in ether and a sequence number is used to prevent ...
11
votes
2answers
1k views

Filters: what's “latest” and “pending”?

I want to monitor accounts for incoming transactions (RPC/IPC API) and call a function whenever any one of a number of monitored accounts receives ether which is "confirmed", as in, "sufficiently many ...
14
votes
4answers
23k views

What is PoWhash?

When I mine, I get something that says: miner 22:09:05|main Mining on PoWhash #45feeecf… : 6761650 H/s = 3407872 hashes / 0.504 s What does PoWhash mean? I'm assuming that the #45feeecf… is a ...
101
votes
4answers
106k views

What is a DApp?

There are new terms in Ethereum like smart contract. What is a DApp and how is it different from smart contracts?
11
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5answers
1k views

What is an Ethereum contract?

Ethereum is described as using and enabling the creation of "Smart Contracts", sometimes called just "contracts". But what is an Ethereum contract? Is it a legal document, or something else?
190
votes
7answers
122k views

What is meant by the term “gas”?

An Ethereum application that I want to use talks about needing "gas" to run. What is gas, and where do I get it?