All Questions
2,658 questions
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2
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34
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How common is it to have a wallet address and a contract address with same public key?
Address: 0x2953399124F0cBB46d2CbACD8A89cF0599974963
On Ethereum, it is a normal wallet address
On Polygon, it is a contract address
The same private key will produce the same address on either of the ...
- 243
0
votes
1
answer
14
views
Looking for Ethereum Communities
Looking for a place to talk/bounce ideas off of with other eth devs any recommendations? preferably not a telegram group, thanks!
- 1
0
votes
1
answer
35
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How to Identify Custom Errors When Using address.call in Solidity?
I am performing an address.call from my smart contract, and the call can either succeed or fail. I want to determine if a failure is due to custom errors defined in the receiver contract.
Here’s an ...
0
votes
0
answers
8
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Two of my transactions were not completed
Two of my transactions were not completed but I was charged for them. How do I get the fees back? It's around $25.
1
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1
answer
19
views
I have an Ethereum user address. I am wondering whether and how I can find out how much BTC this address holds
I have an Ethereum user address, say 0x3cc3ae64f26c8fa893358e5ae7717a0d001c0940. I am wondering whether and how I can find out how much BTC this address holds. I really appreciate your help!!!
- 33
0
votes
0
answers
5
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Problems in experience of blockchain splitwise
When I was running code of this splitwise code by using "npx hardhat run --network localhost web_app\script.js",but it answered back with the fault:"cannot find module abiDecoder",...
- 1
0
votes
0
answers
23
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ERC-20 Token Lookup
I am looking for an ERC-20 token with only the Name (Ticker), but when I search that up on Etherscan I come up with many many options.
Is there any way yo look these up by other criteria such as ...
1
vote
1
answer
14
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What are the ways in which ETH can be forcefully sent to a contract that doesn't implement the fallback function?
It is mentioned in the Solidity docs that there are several ways to forcefully send ETH to a contract:
Neither contracts nor “external accounts” are currently able to prevent someone from sending ...
- 18.7k
1
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1
answer
19
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Is it possible for a contract to completely prevent incoming ETH transfers?
Can a contract be designed in such a way that it will always have a balance of zero ETH?
Maybe this can be achieved by skipping the payable modifier in all functions, and not implementing the fallback ...
- 18.7k
0
votes
2
answers
59
views
Why is my transaction showing as 'success' but the value is 0 ETH ($0.00)?
I am new to the bitcoin world and any help would be appreciated.
Transaction hash: 0xfba22d3b6d047bbd81d25dd5d6ef3f070f57f79abeaeb4de49e7dc605ab4cb7c
If I was scammed, is there any way to recuperate ...
0
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1
answer
37
views
What will ethereum price be in 2k25? [closed]
What will Ethereum be worth in 2k25?
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0
answers
16
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Using SwapRouter02 in Solidity and it keeps failing
I have been trying to perform a swap on Base L2 in my smart contract using the swapRouter02, it keeps failing. Using universal router works but I really need to use the the swapRouter02.
function ...
0
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0
answers
32
views
Ethervault.io has been counting my staking days in -
I had staked coins in this platform for 365days. The days left and the platform is still counting them with “-“ and I can’t withdraw them. What’s happening?
- 1
1
vote
0
answers
12
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Is this the most active Ethereum Q&A forum online?
This might be bad community practice, but I wanted to practice asking a question on this forum.
I went with "Is this the most active Ethereum Q&A forum online?".
Thanks.
GS-Ren
- 11
0
votes
2
answers
37
views
This contract is safe?
function burn() public requireInitialized() returns (bool _success) {
// Rate will be calculated based on the nearest decimal
uint256 _amount = SKCInterface(skcTokenContract).balanceOf(msg....
- 1
0
votes
2
answers
37
views
Can a smart contract automatically deduct some amount from one wallet and send to other?
Suppose a company "A" raising investment on blockchain, where the investors are promised X% ROI on their invested amount after N years.
All these investments are sent on a Smart contract (...
- 1
1
vote
1
answer
36
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Outlook 🙋🏾♂️?
what is the over all outlook on(GETH)GORELI ETHEREUM? AS THERE ARE MANY VERIFIED CONTRACTS AND WALLETS JUST LEFT ON THE BLOCKCHAIN. I think it would be useful to bring some or all of those contracts ...
1
vote
1
answer
41
views
Why I need an RPC URL to call a view function in Solidity
hello so my question is why I should need a RPC Url while calling a view function
Here is my simple code that is deployed in the localhost anvil testnet and that run successfully and there I did not ...
0
votes
0
answers
23
views
How to connect trust wallet conection modal in mobile ethersjs?
I have an authorization web3 window but its only opens on desktop but not on mobile apps. How can I solve this problem ?
export const getSigner = async () => {
let provider;
if(window....
- 1
0
votes
0
answers
23
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setOpenCreatePost Function Not Triggered Despite Click Event Logging "Textarea clicked"
I'm currently facing an issue in my Next.js application where the setOpenCreatePost function does not seem to be triggered when clicking on a . Although the console correctly logs "Textarea ...
0
votes
2
answers
38
views
How to Call Solidity Function with Struct Parameter from JavaScript?
I'm trying to execute a Solidity function using JavaScript. The Solidity function accepts a struct as an argument, and I'm not sure how to structure the data in my JavaScript code to make this call ...
- 141
0
votes
0
answers
7
views
Can i get 50 Sepolia Eth [duplicate]
0xEcDA1249Af9498C7486f0b9D6774d75C02D7927a
Hi all,
Doing some smart contract testing. Can anyone spare me a decent amount of Sepolia Eth pretty please?
Thanks
- 1
0
votes
1
answer
151
views
How to obtain more testnet Eth [duplicate]
How do you get a lot of Sepolia testnet eth?? I know of a couple faucets but they only give like .01 per week and that barely pays for a transaction fee for any kind of testing. Thanks!
- 1
1
vote
1
answer
33
views
Get ETH transfers of several addresses from Etherscan
I am trying to get the data about ETH transfers from multiple addresses on Etherscan, similar to what I can find on https://etherscan.io/tokentxns. This is so I can track how much ETH an address has ...
- 33
1
vote
1
answer
75
views
Discrepancy between Uniswap V3 liquidity ratio and USD value ratio on uniswap v3
I'm calculating liquidity for a Uniswap V3 pool and have encountered a discrepancy. I'm hoping someone can help me understand what's going on or if I'm making a mistake.
The situation:
I calculated ...
- 11
0
votes
0
answers
15
views
I got scammed by Robot [duplicate]
There's APP called ETH MINER ROBOT. I withdraw 0.1ETH to my Binance Account and never received it.
- 1
0
votes
0
answers
11
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I got scam from one pretty girl she told me invest USDT up to 5k and earn daily profit, refer this website, "ogfvs.top" ETH-ERC_20 [duplicate]
I got scam from one pretty girl she told me invest USDT up to 5k and earn daily profit, refer this website, "ogfvs.top" ETH-ERC_20 by using this website, and i lost my USDT 4600 recently, ...
- 1
0
votes
0
answers
18
views
Private Node Network-GoEth
i am trying to install private network of three nodes on my single laptop.
i did following:
install go-eth.
used a medium article and followed instructions
when i try to connect nodes with each other,...
0
votes
1
answer
99
views
Getting Undefined when trying to estimate gas with Etherjs
const escrow = new ethers.Contract(config[network.chainId].escrow.address, Escrow, provider)
const gasEstimate = await escrow.estimateGas.depositEarnest(home.id, true, {
value: ethers....
1
vote
1
answer
26
views
Why some transaction need tracing to be possible to saw them?
Native ETH transfers, unlike ERC20 or wrapped ETH (WETH) transactions, often need specialized tracing methods to be fully visible in transaction. This raises the question: why does tracing become ...
- 73
0
votes
1
answer
18
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Can someone spend native Ethereum from a signer's address using just a signature?
I'm exploring Ethereum's cryptographic features and wondering if there’s a way for someone to use a signature to spend native Ethereum (ETH) from the signer's address without directly requiring the ...
0
votes
1
answer
434
views
How to fix this? "This txn hash was found in our secondary node and should be picked up by our indexer in a short while."
https://etherscan.io/tx/0x664156fcb7fec578f32edcd9e95b62d920a8642e7cd63f6552ac917b44baee45
Guys, this transaction has been like this for 6 hours. It says "should be picked up by our indexer in a ...
0
votes
1
answer
52
views
Unable to fetch data from smart contract into my frontend
I'm working on a lottery dapp using Solidity and Next.js. While trying to call the getEnteranceFeefunction from my contract, I keep encountering the following error:
ContractFunctionExecutionError: ...
- 37
0
votes
0
answers
17
views
ETH tokens sent to BNB address in Safe Wallet
Some ETH tokens have been sent to a BNB safe address in Safe Wallet. To recover them I have followed this procedure: https://share.zight.com/z8uBKZYr.
The wallet owner of the Safe Wallet is: ...
- 1
1
vote
0
answers
28
views
Can I just earn ETH by buying a stablecoin and then burn it getting someone's collateral back?
I am just learning how stablecoins work. And I learned that some of them work by requiring a user that wants to mint a token to provide some collateral that has to be worth more. I think it is call &...
- 65
0
votes
1
answer
62
views
Get historical balance of ETH and ERC-20 Tokens
Now I am wondering how to get the historical balance of ETH and ERC-20 Tokens, like the web tool provided by etherscan. I attempted to add all the transactions on Etherscan to get the historical ERC-...
- 33
0
votes
1
answer
459
views
Some one make a fake token transfer from my friend wallet without having his PK
Now how is that possible? https://etherscan.io/address/0x781C2EA34506d904573E7E92be19154B729B2EE5#tokentxns
this guy send 65 ETH to an address but some scammers sent 65 ETH token(fake) with his ...
0
votes
0
answers
54
views
Help Needed: ETH Stuck in Smart Contract with Non-functional ETH Withdrawal
I have ETH stuck in a smart contract that I deployed. The contract can receive ETH, but its withdrawal function doesn't work with ETH, only with ERC20 tokens. This leaves the ETH inaccessible
Details ...
0
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0
answers
26
views
Fake or legit trading platoforms? [duplicate]
I've recently been introduced to the below site to conduct smart contracts.
Does anyone know if these are legit or if I have entered something sketchy.
I went from trust wallet and entered the 2nd ...
- 1
0
votes
0
answers
25
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Would Eth Universe freeze funds and give me 7 days to pay 100% of balance as a penalty to get funds released? They suspected i was copy trading [duplicate]
While trading in Eth Universe through Trust wallet, my funds were frozen as they suspected 1 of 3 arbitrage or copy trading. I was directed by support to pay 100% of current balance and if no ...
- 1
0
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0
answers
13
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I exchanged scam tokens,pls help me [duplicate]
I exchanged ETH for scam coins through BYBITWEB3 on UNISWAP, now they cannot be sold on BYBITWEB3 DEFI (he writes that the contract has closed source code) and when trying to reverse exchange through ...
0
votes
1
answer
23
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Is it possible to develop a multifunctions token?
i try to know where the capabilities of smart contract are, is it possible to write a smart contract for a token that will be :
Ownable
Transferable
Burnable
POS Compatible
POW emulated compatible
...
0
votes
2
answers
145
views
TypeError: Cannot read properties of undefined (reading 'parseEther')
const { ethers } = require("hardhat")
const { time } = require("@nomicfoundation/hardhat-network-helpers");
describe("Escrow", function () {
let Escrow;
let escrow;
...
0
votes
0
answers
18
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How can I know how much the scammer (creator of scam token) has made off us?
I fell for honeypot a few months ago when I was just starting to explore the world of cryptocurrency. I was scammed out of $50 along with many other guys who bought and then couldn't sell the token. I ...
- 1
0
votes
0
answers
7
views
If two persons split the minting process payment 80-20% on opensea , what are the rights and risks of each one on NFT?
I am new to NFT minting.
I created a collection and am about to create a NFT .
Someone has a buying customer on opensea for my Artwork to be minted. He suggests to pay 20% of the minting fees while I ...
- 1
-1
votes
1
answer
146
views
need some amount of ether for getting the fake ether to learn blockchain [duplicate]
actually i was trying to get the LineaETH on Linea Sepolia test network. when i visited Alchemy(https://www.alchemy.com/faucets/ethereum-sepolia) for same, it is asking for to have some amount of ETH ...
0
votes
1
answer
22
views
Why don't tokens use a standard transaction method (blockchain)?
If a token is a coin already created on the basis of some existing blockchain (let’s take Ethereum for example), then why does tokens need smart contracts? Why don’t they use regular transactions like ...
- 1
-1
votes
1
answer
56
views
I fundend an ETH smartcontract using .sol and remixeth.io but cancelled contract before withdrawing the coins [duplicate]
0xFcdA2700dCb5fb0f6CD0954498c922cDEbBFE32B
is there any way to get those coins back on my wallet?
0
votes
1
answer
70
views
API for ETH to USD based on time and date
Does anyone know an API that will work based on any period of time. An API where I can put the year, month, day and time and it will give me the ETH to USD conversion at that moment?
- 1
0
votes
1
answer
8
views
How I decrease the gas fee when I call the contract method?
Deploying my contract on rinkeby cost ~12 USD in gas fees (using truffle cli). Is it possible for me to specify gas fees/set a limit in the smart contract so it costs me 0.5 USD, but takes longer to ...
- 101