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2
votes
1answer
2k views

What will the ETH inflation rate be after PoS is released? [duplicate]

Has the Proof of Stake emission schedule been decided yet? What will be the rate of inflation? Is 2017 for the end of PoW still the best estimate?
5
votes
2answers
622 views

Geth private testnet: what's wrong?

I have downloaded geth and ethminer, and started running a testnet with 2 nodes - 1 mining and the other not. Here's my (noobish) problems: If I submit a txn to my non-mining node, it won't get ...
6
votes
2answers
611 views

How many full time developers are working on Proof of Stake research?

How many full time Ethereum developers (or full time equivalents) are currently working on PoS research?
1
vote
0answers
25 views

Is there an easy way in the Geth console to see the current numbers of blocks in existence? [duplicate]

Is there an easy way in the Geth console to see the current numbers of blocks in existence? Same as "best block" at ethstats.net. I tried admin.chainSyncStatus but it just returns 'undefined'
17
votes
6answers
8k views

How to convert a uint to bytes in Solidity?

Is there an easy way to convert a uint to bytes in Solidity?
7
votes
0answers
226 views

Does Ethereum have a list of developer “approved” unofficial wallets with their pros and cons? [duplicate]

Bitcoin offers a list of wallets here which is helpful for beginners in deciding what will work best for them (cold storage, web wallet, full node, SPV wallet, etc) https://bitcoin.org/en/choose-your-...
13
votes
1answer
565 views

Are light nodes possible in Casper?

My understanding of light nodes is they need PoW in the block headers. That PoW proves that $x amount of energy has gone into securing that chain. With PoS, the proof that $y is securing the chain ...
36
votes
2answers
52k views

how to unlock the account with geth?

when I use the web3 interface to sign on msgs, it tell me that the account should be unlocked, how can I manage this with geth and what exactly does unlocking mean?
4
votes
1answer
585 views

Reading a uint from a mapping keeps returning a random address

I am new to Solidity. I am facing an issue in a simple operation of storing and retrieving data from mapping (uint=> address). I have defined a simple contract: contract test { mapping (uint =&...
3
votes
0answers
278 views

Unable to receive ether in testnet account [closed]

I have set up a test net account using the ethereum wallet on my PC. I have left my miner on in the test environment for several hours and failed to mine test ether. I have also tried getting ether ...
17
votes
1answer
357 views

Can Ethereum be pruned to the extent that it could be run from a Raspberry Pi?

What are the limits to how much the ETH blockchain can be pruned. Will ETH ever be practical on devices with limited resources such as a Raspberry Pi, Android or iOS wallet?
4
votes
1answer
72 views

password no longer working (but others do)

I've been using mist 7-4, windows, but it does the same thing in other versions. my crowdsale password has been working fine til today. other passwords from other accounts still work fine. what ...
8
votes
3answers
629 views

How to force one person to only vote once?

Using DAOs, today we have The DAO that aims to be an autonomous company management system. It's ruled by the fact that the more parts of the company you own, the more voting power you own. As this is ...
2
votes
0answers
72 views

What is the purpose of raising more ETH for a DAO than can be invested in quality projects? [closed]

I understand that DAO members can request ETH to be refunded before a proposal is accepted but what is the point in so much capital being raised? If I add up the sum of capital likely needed by the ...
4
votes
0answers
68 views

Fail writing to state database. Bombing out [closed]

Problems updating state on C++ ethereum on Ubuntu Linux 14.04 disks, /tmp have plenty of space. eth was installed from ethereum ppa, is used intermittently to check balances and do transfers (...
11
votes
3answers
601 views

Are communications encrypted?

I'd like to know whether the messages delivered to the ethereum network by my wallet are encrypted such that any identifying information about the wallet is inaccessible to the ISP? in other words, ...
4
votes
1answer
395 views

XOR bytes32 (from web3.sha3) in Javascript

How can I perform bitwise operations with a bytes32 object in Javascript? This might seem like a general Javascript question but since this is quite common practice to obfuscate input values in a ...
5
votes
3answers
2k views

How can i automatically divide payments from mining

I run a mining farm along with other partners. Using eth-proxy I can only set one payout address for each machine. I'd like to setup a contract so that any payments that go to the primary mining ...
5
votes
1answer
1k views

How to make synchronous web3.js function calls?

I am using the web3.js library directly in HTML, not via Node.js to interact with my local geth node. The following code gives me an error (web3.min.js:2 Uncaught TypeError: e is not a function) when ...
3
votes
1answer
811 views

Is there a way to call a Solidity function by its string name? [duplicate]

Since functions are not first-class objects in Solidity, is there any way to invoke a dynamically-determined function at runtime? e.g. string fname = "Bar"; function Foo() { InvokeByName(fname); } ...
1
vote
0answers
62 views

Can you provide a real world example of using Ethereum network? [duplicate]

Is there any practical real world example which you can provide in order to understand the simple benefits for using Ethereum network by the ordinary user? Especially in terms of purchasing something ...
11
votes
6answers
3k views

Are there any alternative programmable networks to Ethereum?

Are there any alternative networks to Ethereum which are also being developed (which can compete) and can work in similar way in terms of storing and executing decentralized programmable code blocks? ...
6
votes
1answer
658 views

How are contracts executed on nodes?

How are contracts executed on full nodes? Do they run one by one on first-in first-served basis, or simultaneously in the isolated environments? If they run in parallel, I guess it may exhaust the ...
4
votes
1answer
465 views

Error returning a uint256 value stored in array

contract Student { uint256 index=0; function Students(bytes32 name, uint256 adNo) returns (uint256 vid) { index++; Name[index]=name; AdmissionNo[index]=adNo; vid=index; } mapping(uint256 => bytes32)...
1
vote
0answers
582 views

Can I exchange real money for ether? [duplicate]

And if yes, how? noob here, so this is probably a stupid question!
2
votes
1answer
2k views

How to compile qtminer on linux?

Etherchain provides the source code of the qtminer on github. However, no build instructions and no build helpers are provided. Does anyone have any idea how to compile qtminer on linux? What are the ...
2
votes
1answer
121 views

Why Ethereum can't talk to other blockchains?

I've heard that Ethereum can't talk to other blockchains (if I understand it correctly). What does it mean and what is the reason behind this?
25
votes
1answer
20k views

What are the valuable benefits of having a node?

Supposedly I'd like to help Ethereum to expand (in terms of the World Computer), so I'd like to setup a Linux machine which can run smart contracts. What kind of benefits I can get from doing that? ...
9
votes
1answer
2k views

Link solc with geth problem

After upgrading to geth 1.4.4 I am no longer able to from to reference the compiler from geth. The solc compiler is installed in /usr/local/bin but this is what I get when I check for available ...
4
votes
1answer
150 views

Is The DAO voting right proportional to the account tokens balance?

Will I have more power on decisions if my token balance is high, or do I always have one vote whatever my balance is?
3
votes
1answer
93 views

Can I move some DAO token to another account to vote twice?

If I split my DAO tokens to 2 accounts before voting, will I be able to vote twice? Thanks.
1
vote
0answers
22 views

Mix just wiped my entire project directory! [closed]

Turns out if you try to create a new project using an existing directory, Mix wipes the directory first. It's just lost me my last months DAPP work! I ran into troubles when mix stopped ...
1
vote
1answer
1k views

Is it worth to mine Ethereum today? [closed]

Worth buying a pc with 2 GPU's in a crossfire to mine Ethereum? I plan to spend ~$1000 on that pc. What client to use? What os is better to use? Ubuntu?
3
votes
1answer
463 views

Solidity bytes32 to JS string?

There been a couple of questions on bytes32 to string in solidity itself. What's the best way to convert a solidity bytes32 return value to a string in JS?
6
votes
2answers
3k views

How much internet bandwidth does keeping a Ethereum wallet use?

I have limited internet (250 GB per month) which I share with multiple people, so I have to make sure I don't use up too much. I downloaded the Ethereum wallet client, and it seems to take quite a ...
10
votes
2answers
6k views

How are enums converted to uint?

When using web3, calling a function that returns an enum type converts it to a uint. Initially I assumed that enums are converted incrementally: 0,1,2,3.... However what I received was a hexadecimal. ...
27
votes
2answers
3k views

Is it a good practice to log an event every time I throw in Solidity?

In Solidity (0.3.2) I am aware that there is no way to throw specific exceptions. (Everything is an invalid JUMP error.) It seems beneficial to have a way to log specific errors. Does it make sense to ...
3
votes
2answers
2k views

How does a Smart Contract know the gas/fees needed to execute a transaction?

I installed recently Solidity for Visual Studio and they have this Smart Contract sample there: contract Payout { address Victor; address Jim; address Kieren; mapping (address => uint) ...
7
votes
2answers
4k views

Sync blockchain while mining?

I'm new to ether mining. Do I have to sync with the blockchain while mining? Currently I'm using ethminer for solo mining with GPU and geth to sync with blockchain.
2
votes
1answer
2k views

Is there a Solidity decompiler? [duplicate]

Is there a decompiler that will convert Solidity byte code back into source code? I am wondering how to verify code of contracts that are published to the blockchain.
2
votes
1answer
445 views

Is it possible to do something on a specific block number? [duplicate]

Is it possible to do something on a specific block number? (e.g. publish a contract or execute a transaction)
4
votes
1answer
165 views

How can I know if a token that I created is used in a smart contract?

I plan on creating some tokens and want to create code that will execute if the one of the tokens is used within a smart contract. Is this possible?
6
votes
2answers
5k views

Are funds returned if one transfers from an exchange to an invalid Ethereum address?

I transferred some ether form an exchange site to an invalid address (invalid in that the correct address was trailed by 6 numbers I accidentally pasted in). Looking for that address on Ethereum ...
10
votes
2answers
271 views

Preventing Ether getting trapped in Smart Contracts

Since contract code can possibly live forever once deployed, what are some best practices or patterns to use in Smart Contract development to prevent the potential for unintended loss of Ether or loss ...
4
votes
2answers
1k views

When and if ETH converts to PoS who will receive the staking rewards?

For ETH stored on online exchanges will the exchanges receive all staking rewards or will they be passed along to their users that actually own the ETH?
3
votes
2answers
3k views

TheDAO internal transactions

I need to get transaction list within theDAO system. Is it possible or it's the same case of getting the internal transactions in Ethereum? I want to know if there is a mechanism within theDAO to get ...
6
votes
4answers
7k views

Getting started: testnet or private? How to get testnet ether? [duplicate]

I have Ethereum Wallet v0.7.3, and was eager to try out my first contract on the testnet, but of course need ether. Is it better to just create a private testnet? Is mining testnet ether feasible? ...
8
votes
2answers
4k views

Is any way to withdraw ether from a smart contract to owner wallet, if no such method in it?

I've created contract with function to withdraw ether from it to owner wallet: contract test { address owner; function test() { owner = msg.sender; } function sendEtherToOwner() { ...
3
votes
1answer
116 views

Potential attack vectors on an Ethereum account

Besides someone stealing your private key, what are other potential attack vectors on an Ethereum account?
2
votes
3answers
1k views

Will Ethereum Smart Contracts also work on Tendermint?

I recently read about Tendermint releasing it's own public blockchain soon. After crossreading their blog, I see multiple mentions of the EVM. Does Tendermint implement the Ethereum Virtual Machine?...

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