Linked Questions

3
votes
1answer
1k views

what is difference between “gas” “gas price” and “fee”?

Can we say that gas is the unit of transaction fee ? And gas price is the same transaction fee ? If so, why we do not use ether and wei instead of gas ?
8
votes
1answer
1k views

Can a transaction get lost?

Given that I am connected to the network with at least one peer, can I be sure that a transaction I sent will be executed (either with fail or success)? Is there a possibility that it will never make ...
5
votes
3answers
588 views

Can a “forward” smart contract forward the received ether to another “forward” smart contract which forwards it to an address?

I am pretty new to solidity. I am trying to create a smart contract which deploys another smart contract and transfers ether to the newly created contract when a payment greater than 0.01 ether is ...
4
votes
2answers
727 views

why are Transactions paid in Gas and not just Ether directly [duplicate]

All the explanations I heard for the Gas usage, could imho also be dealt with in Ether directly. What is it that Gas does that couldn't be done with Ether directly?
4
votes
1answer
2k views

Where exactly do DApps run? Who gets rewarded for running them? [duplicate]

So I am currently running a full node, as well as a GPU miner. I am curious first of all where do DApps get run? They wouldn't make sense to run on a GPU as they aren't very parallizable, so I am ...
5
votes
1answer
991 views

What's the difference in the ways of calling a contract function?

After I get an instance of a contract, there are 3 ways to call the contract function below: 1.testInstance.testfunc({from:eth.accounts[0]}) 2.testInstance.testfunc.sendTransaction({from:eth.accounts[...
2
votes
2answers
1k views

ERC20 Transaction Fee - setFeeCurrency

Hi i now read everywhere that a transaction fee has to be paid in ETH. But I also found via the ethereum page the following page: https://github.com/ethereum/wiki/wiki/Standardized_Contract_APIs#...
3
votes
1answer
1k views

When calling a smart contract function, who gets paid and how much does the caller pay?

This is an extended question to What is "gas" and transaction fee in Ethereum?. Who gets paid and how much does the caller pay? Let's make some assumptions: There is a function F which ...
0
votes
1answer
2k views

myetherwallet.com is taking forever [duplicate]

I sent a transaction over 6 hours ago from myetherwallet to an outside address with the site's suggested 21000 gas limit. Its up to over 1000 block confirmations but still has not completed, yet ...
2
votes
1answer
710 views

EVM opcodes-prices

1) Why are opcodes in Ethereum priced the way they are priced and why is the EVM so expensive? 2) Right upfront, I do not say that it is too expensive to perform a tx on Ethereum, I just say that ...
2
votes
1answer
839 views

What is the cost of using a Chainlink Oracle?

I use the market.link to check available jobs and each job has its own price in terms of link. My question is how many times this fee will be paid? For example: Let's say the API GET request costs 0....
0
votes
2answers
739 views

When Ethereum price goes up does complexity go up too?

And what is their relationship? Is it linear, exponential. For example, if ether were to double in price tomorrow, does that mean the complexity is twice as much, or... ?
1
vote
2answers
306 views

Will gas be free in ETH 2.0?

Will gas be free in ETH 2.0? More generally, will gas ever be free? Is it feasible in near decades?
4
votes
2answers
171 views

Call Smart Contract every 5 Second

Is it possible the call a method of a smart contract every 5 seconds? Lets say i want to call a webservice or an other smart contract in order to get the actual value? That is not possible or? In ...
0
votes
1answer
400 views

Are transactions really instant?

I am new to blockchain in general and still trying to nail down some basic concepts, this being one of them: if a new block is added to the chain approximately every 10 minutes, does that mean a ...

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