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Share Your Experience: Take the 2024 Developer Survey
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cqx
  • Member for 4 years, 9 months
  • Last seen this week
15 votes

What is the cost to store 1KB, 10KB, 100KB worth of data into the ethereum blockchain?

10 votes

What is the total supply of Ether?

7 votes
Accepted

Publish and verify the source contract code in Ethscan. I tried it but it keeps failing. Can anyone help me?

7 votes

Error while buying test ether from https://faucet.metamask.io/ - Mastering Ethereum

6 votes
Accepted

Verifying a Token Contract with Interface

5 votes

Verify simple smart contract on etherscan

5 votes
Accepted

Not getting getPastEvents or once function using contract instance

5 votes

Where web3.eth.accounts.create() creates new account?

5 votes

Empty array is being returned

5 votes

Rinkeby not producing blocks

5 votes
Accepted

MetaMask blocks Web3 requests

5 votes

web3, nodejs - How to put decimals values ​into the toBn function

5 votes

How to remove 2 contracts

5 votes

gasLimit 5000 on private Ethereum geth node

5 votes
Accepted

How can I get proper gas price for fast transaction?

5 votes
Accepted

Web3 - how to add WEI and ETH values correctly

4 votes

Error While Compiling In Remix During Tutorial

4 votes

While importing web3.py getting following error: TypeError: 'ellipsis' object is not iterable

4 votes
Accepted

In MetaMask, I have my seed phrase but I didn't export my private keys. How do I recover my wallet?

4 votes

Why does Ropsten faucet show "Your account is grey listed for 0 hours and 0 minutes"?

4 votes

Ropsten Blockchain Size on Disk December 2019?

4 votes
Accepted

is this the right way to simulate having a negative number?

4 votes
Accepted

Total metamask balance

4 votes

Conversion from calendar format into timestamp format

4 votes
Accepted

Load Smartcontract in Nodejs

4 votes
Accepted

Contract ERC20 creation "pending"

4 votes
Accepted

I would like to 3 mappings

4 votes

How to cancel pending transaction of ethereum from exchange wallet?

4 votes

How to get the actual time of occurrence for ethereum transaction in block

4 votes

What is the best way to report scam/fraud token