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Questions tagged [ether]

Ether is the currency used in Ethereum blockchain technology. Refer: https://ethereum.org/ether Questions about Ether which aren't about programming should be asked on the dedicated Ethereum site: https://ethereum.stackexchange.com. Questions which are about programming can be asked on either site.

Ether is a necessary element — a fuel — for operating the distributed application platform . It is a form of payment made by the clients of the platform to the machines executing the requested operations. To put it another way, Ether is the incentive ensuring that developers write quality applications (wasteful code costs more), and that the network remains healthy (people are compensated for their contributed resources).

The official website of is Ethereum.org.

There's also a Ethereum StackExchange site that's dedicated to Bitcoin.

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Is it possible to add ethernet interface in iPAD external accessory device?

We wanted to add an ethernet interface to our MFi accessory. First we want to know is it possible to add ethernet interface in an MFi accessory which uses iAP2 External Accessory Session to communicate with app present in the iOS device via…
Shariff Shaik
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How to identify an Ethereum smart contract transfer using RPC / web3js / ether.js?

If 1) Wallet A transfer 1 ether to Smart contract B And at the same time 2) Smart contract B transfer the ether to wallet C A->B->C Using eth_getTransactionReceipt, how to check the amount has been sent to wallet C?
Charles Brown
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How can i send back the ether which i used to buy a token in ERC20?

Iam trying to write method in solidity where it checks if the given ether is enough to buy my coin. If its enough I will give them the respective amount of coins but if the ether is not enough I need to send back the ether which is getting used to…
mani deep
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Free Online Smart Contract Server

Currently, I am developing a demo for a IoT project and will send all the monitor data to a Smart contract server. I would like to find a free online smart contract server to verify and show my project to the audience. Except the IBM Bluemix…
Charity
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How fast is querying on an Ethereum based Blockchain database?

If I had to query my blockchain database built on the Ethereum network, how long would it between the request and response? Let's assume that the type of information is not media and only normal data. Would it be as fast as a conventional…
Arjun Ram
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Implementation of Doctor and Patient relationship using smart-contracts

I want to create a contract between a Patient and Doctor where the first Patient fills his details like name, age, and problems he is facing. As soon as the above details are filled function createDoctor() is called and name, age and problems are…
lokesh
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Create an account with web3.js v0.2.6

so everytime i try to create an account with web3 i always get errors like the wrong version of web3 and that i should switch to v1.0.0 i used this command to install web3 npm install ethereum/web3.js --save i ve tried these commands to create…
Az Emna
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msg.sender is not equal to owner

I am trying to write HealthCare contract by taking the reference from this Link. Where Doctor can only update the details of the Patient when Patient sends the address. File: Patient.sol pragma solidity ^0.4.21; contract Patient { string public…
lokesh
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Can't withdraw amount from contract on Ethereum local blockchain

I am having an issue that is blocking me for days. And it all comes down to this: I am using Ganache (TestRPC) for my local blockchain with it's default test accounts. I am connected with Metamask(on Chrome) using the first test account. (balance…
Razor
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Geth failing to connect to private network

I am creating a private Network (Ethereum). I wrote out the genesis.json file (code below), I then initialized it without error, but when I try to connect to it, a new line is created (implying an additional command should be specified). When I…
Ryan Cocuzzo
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How do you offset a byte by an int in solidity?

I'm currently trying to offset bytes in solidity to implement a simple Caesar cipher decryption. However, I can't figure out how to do this. Here is my current code, which gives a few compiler errors in Remix: function decrypt(bytes32 data, int key)…
aevumcessi
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Crypto Currency ICO process

I just want to know the process once we create the our own coin for ico do we need to create our own wallets and exchange as well, what is the process to transfer your own coin based on ether to your investors during ico. what i have understood: Go…
Talha Aslam
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How to read the ETH value and other token values from an account?

Let's say I've created an Ethereum account using this code: web3.eth.accounts.create(); > { address: "0xb8CE9ab6943e0eCED004cDe8e3bBed6568B2Fa01", privateKey: "0x348ce564d427a3311b6536bbcff9390d69395b06ed6c486954e971d960fe8709", …
Alon
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Coinbase work with ethereum in stead of bitcoin

I am trying to create an ether buy and sell bot on coinbase. They have a truly wonderfull description on their developer page. There is one thing I am missing. Somehow all functions automatically refer to bitcoin and not to ether. I assume there is…
Zuenie
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Ethereum Test Account not Showing Ethers

I just installed Ethereum wallet as I wanted to try out the Ethereum platform. I created an account and connected to the test network RINKEBY. I used the following faucet to send me some test ethers: faucet.ropsten.de:3001 It says that it has…
joesan
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