Linked Questions

2
votes
2answers
15k views

How much is 1 gas in ether? [duplicate]

On Etherscan the daily GasUsed chart shows current usage of 10-15 bill. How do I convert this correctly to ether (ETH)?.
0
votes
0answers
293 views

Need Help: Sending tokens from MetaMask to MEW Trezor wallet [duplicate]

Having a hard time figuring this out. I figured out how to send via Metamask/MEW, but I wanted to test it before sending large amounts so I tried sending 1,000 MANA, but keep getting errors. I do have ...
0
votes
1answer
179 views

How does gas in Ethereum works? [duplicate]

Let say I have a code that print "Hello World". I deploy it to the blockchain and pay 1000 gas for it. Will my code keep running for every subsequent block till it runs out of gas? Or will it only run ...
0
votes
0answers
56 views

What is ethereum gas? [duplicate]

So basically, I set my claymore miner to be sending the ethereum profits to myetherwallet.com, and it is working out beautifully so far. Now, I figured I might as well transfer my current funds over ...
1
vote
0answers
30 views

What's the point in the 'gas' parameter passed to function 'signTransaction'? [duplicate]

I am using web3.js v1 in order to sign and send transactions: async function signAndSend(transaction) { let options = { to : transaction._parent._address, data: transaction....
0
votes
0answers
26 views

difference between Gas and ether [duplicate]

How the Gas and ether is different in Ethereum a) Is there any built in calculation in converting Gas to ether. b) Is there any chance to change the conversion logic time to time
0
votes
0answers
21 views

The mega-confusion named Gas [duplicate]

I have gone through probably 3000 online resources but didn't quite get a reply to my question. I am sure the experts here can address the issue and help me out. My question is - Everyone says that ...
126
votes
2answers
22k views

What is the difference between a transaction and a call?

What is the difference between a transaction and a call? In some interfaces, I can interact with contracts via calls or via transactions. What is the difference between the two, and can contracts also ...
77
votes
2answers
42k views

Which cryptographic hash function does Ethereum use?

Many sources refer to the use of the "SHA3" cryptographic hash function within Ethereum, but the Ethereum project began before the SHA3 standard was finalised, and there was some confusion/controversy ...
19
votes
1answer
14k views

How do I know how much gas to use when calling a contract?

When I am calling (sending a transaction to) a contract how do I determine how much gas to use? Is there a way to calculate this upfront & what happens if I send too much / too few gas?
12
votes
3answers
8k views

Is it possible to build a private (permissioned) blockchain with Ethereum?

Ethereum is a great blockchain, but for some services the transaction fee is prohibitively too expensive. Is there any project and/or guideline on making Ethereum so it works on permissioned ...
7
votes
2answers
1k views

Who gets the fee from contract call?

Basically you don't need to pay fee for contract call, but if a contract method does lots of work, you need to add gas in contract call to prevent DoS attack like this: contract.method.call({gas: ...
3
votes
3answers
4k views

What is the point of variable transaction fees in Ethereum (and Bitcoin as well)?

After reading through the docs and through this post, I understand the concept and need for gas, but I do not understand why each transaction can have a variable fee associated with it. It seems to be ...
10
votes
2answers
664 views

Why does Ethereum have gas?

Why does Ethereum have gas? What other approaches could Ethereum have used to work around the Halting Problem?
1
vote
2answers
3k views

If the price of ether coin goes up, does it mean less likely people are going to build application on the ethereum network?

If I am not mistaking, application developers need to pay using ether coins to have their application hosted on the ethereum network. So if the price of ether keeps going up like it is now, doesn't it ...

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