All Questions
2,867 questions
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21
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ETH to RXS token exchange showing incorrect balance in Coinbase wallet
I exchanged ETH for RXS finance at 0.06 and 0.08. About $5200 total worth. I have just above 62000 RXS tokens showing in my Ethereum Coinbase wallet after all fees, but value balance only shows $430 ...
- 1
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2
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flashbot bundle to claim ico tokens
Does anyone have a flashbot bundle to claim ico tokens from a hacked wallet? Would love an example that has worked for them. Would need eth from third party wallet to fund the bundle. I do have ...
- 1
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5
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Recover non-listed token from the Binance exchange (Base Network)
Can anyone help? I transferred some tokens from the Metamask base network wallet to the Binance Exchange (not web 3 platform)base network but later, I found that the token was not listed on Binance, ...
- 1
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10
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How to recover a tokens in base network that was sent to a non listed exchange in base network
Can anyone help? I transferred some tokens from the Metamask base network wallet to the Binance base network but later, I found that the token was not listed on Binance, and Binance customer care said ...
- 1
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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.
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17
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Unsellable token that is transferable
Made the mistake of getting a small amount of an unsellable token on Uniswap. Here is the contract: 0xDa2E903b0B67F30BF26bD3464f9EE1a383BbbE5F
There is still plenty of liquidity in this token.
Uniswap ...
- 1
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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
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14
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How do I access usdc erc20 tokens I received
I received usdc tokens on eth erc20. i can see the transaction in my coinbase wallet and I can find it on etherscan but I don't know how to withdraw the usdc or what to do with it. This is all new to ...
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1
answer
18
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200k worth of neiro tokens stuck in the wlf contract
I accidentally sent the wrong coins (NEIRO) to my contract (WLF). Is there any way to retrieve them? (worth $200k right now)
From what I saw in the contract, there is only the manual swap option, but ...
- 11
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1
answer
7
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In my tokens asset I have one token which values is shown in us$ but how I can sell that token
In bscscan it is showing total tokens and value of that tokens, one token is such that the value showing in 100$ but how can I sell that token. I am not getting any rate of that tokens in metamask. ...
- 1
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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 ...
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1
answer
152
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INTN Token Scam - Cannot sell it back
I recently bought some INTN tokens on Sushiswap on this address:
https://www.sushi.com/bsc/swap?token0=NATIVE&token1=0xc2F2aa856b78fdE3Da3CA3999d23011525727736
As you can see the token address as ...
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2
answers
59
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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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0
answers
11
views
How to make remove a token that uses my name?
is my case: let's assume that someone deployed a token with the exact name of my website with also the exact .extension, is there a way to make it remove?
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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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1
answer
27
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What are the rule of Native Tokens symbol (EIP-7809)?
Native Tokens (NTs) introduced in EIP-7809 have a token_id (i.e. a symbol) where ETH is the default native token ID.
What are the restrictions about this symbol? Where is the documentation about it?
...
- 121
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26
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How do I stake ether on Holesky?
I've been collecting ether from Holesky faucet for about 40 days and counting, and no where to move it but a few layer 3 options that has no staking methods. Is there anyone who knows how to stake ...
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 ...
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1
answer
51
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Why does token balance differ from the total incoming transactions on Etherscan?
I noticed a discrepancy in the token balance on Etherscan. A user received a total of 5,029 SPAM tokens in one single transaction, yet their current balance shows 12,809 SPAM tokens. The user hasn’t ...
user75610
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1
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26
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I transfered coins to a neiro address but the contract addresses are different, can i retrieve my coins?
Token was transfered from one exchange to another but I later discover they are not of the same contract information even though they share the same network/block chain.
Can I retrieve such tokens?
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23
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Funds USDT Sent via ERC20 to the Blockchain
I need someone to tell me if any of these statements from my BTC trading account are true?
First background I have an account that I was trying to withdraw funds to my crypto com account connected to ...
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15
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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.
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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, ...
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0
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1
answer
38
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Storing ETH on token address
I like to create a token contract which can be created via ether transfer and also redeemed back to ether. Is it a good idea to store this ether on the contact address, or are there more secure ...
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18
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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,...
1
vote
1
answer
47
views
Swapping tokens from pancakeswap
I am having trouble executing the swap on PancakeSwap. I always encounter this error. Can someone please check my buy function and tell me if anything is missing?
ERROR - Unexpected error during token ...
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 ...
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0
answers
44
views
How to identify swap transactions?
Is there a way to identify all swap transactions of a token pair?
So this would involve CEX, DEX, direct swaps, and other forms I am not aware of.
Of course, this can be complex involving many ...
- 101
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17
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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: ...
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1
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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
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1
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456
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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 ...
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votes
1
answer
16
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Which tokens exists on Polygon network?
I want my smart contract to accept tokens from different blockchain networks such as bitcoin or ethereum. I know there are wrapped versions of these tokens that works on the Polygon network. Is there ...
- 240
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49
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not able to verify my smart contract on zkSync Era Testnet using Remix and MetaMask
I am trying to deploy my smart contract on L2 but the "verify contract" button is disabled and even after deploying my smart contract is not visible on sepolia.explorer.zksync.io, any idea ...
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votes
1
answer
31
views
EVMError: Revert for Auction.sol
Building an Auction for ERC20 Tokens.
Scripts are compiling.
2/3 tests pass.
[FAIL. Reason: EvmError: Revert] for 1/3.
It may be an issue with the OpenZeppelin import, it may be out of date, wrong ...
0
votes
1
answer
12
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Issues due to openzeppelin updated versions
Im building defi token Im developing it with reference cource in which the educator is using openzeppelin version 4.8.3 in which ERC20Mock contract takes 4 parameters , but right now there is only ...
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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 ...
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0
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24
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mal-tool is this a scammal MAL/USDT. I have encountered this proposal to invest [duplicate]
has anyone had experience with or know about MAL which is supposed to be a native token of MAL-Tool
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2
answers
56
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Trying to override non-virtual function. Did you forget to add "virtual"?
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract OC is ERC20, Ownable {
uint256 ...
- 1
0
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0
answers
54
views
Burn from Uniswap Pool on BUY transaction
I've implemented a smart contract with a burn mechanism triggered after a specific countdown elapsed upon token purchase. Despite successful deployment on the Sepolia testnet and functioning buy/sell ...
0
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0
answers
202
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How did owner remove token liquidity during trading on DEX even if their ownership is renounced?
Im non-tech trader. Today I experienced that the owner did remove token liquidity during trading on DEX and made it become honypot even if their ownership is renounced (checked via Token Sniffer)
I ...
0
votes
1
answer
43
views
Error during tokenization with the contract: 0xe83cE6bfb580583bd6A62B4Be7b34fC25F02910D
I have an Alchemy project through which I have received transactions. I would like to tokenize these transactions using the following Python script:
import json
from web3 import Web3
# Codes de ...
0
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1
answer
59
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Blockchain Layer 2 Attacks
I'm interested in learning more about blockchain security. I've studied the vulnerabilities in Layer 1 and improved my skills. After focusing on smart contract vulnerabilities in Layer 1, I want to ...
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0
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11
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Coinbase and sending it to another wallet
The address is sent from my coinbase acct, I was tired of the shenanigans of coinbase pro, so I sent assets to a wallet I thought was more manageable.
0x587416Ba3789ee89F8B5f85FEeb836afF4D06717
And ...
0
votes
1
answer
15
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What wallets support ethereum etf? Coinbase delisted etf eth and now I'm looking for a new wallet
What walletes support ethereum etf?
Counbase wallet delisted etf eth
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7
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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 ...
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2
votes
1
answer
94
views
Max supply of smallest divisible unit vs largest integer
Does Ethereum have a total supply, expressed in its smallest unit (1 wei*), that is equal to its largest numeric value (uint256*)?
If yes/no: is it typical for decentralised currencies to have a large/...
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2
votes
1
answer
64
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theoretical question - is it possible to distribute fractions of an NFT instead of individual tokens?
I'm considering this problem:
Let's say I have a couple of NFTs. They're very, very valuable, with values ranging from a thousand dollars to a million dollars.
I'd like to use these NFTs to fund some ...
- 23
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1
answer
29
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get_total_transfer(tx_hash, receipt) function to compute the total amount transferred for each token involved in an Ethereum transaction
How can I implement the get_total_transfer(tx_hash, receipt) function to compute the total amount transferred for each token involved in an Ethereum transaction (tx), using transaction data and ...
0
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1
answer
22
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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
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0
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25
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4 Most Important Questions For Smart Contracts Developers
Hello Smart Contracts Developers
Which Blockchain like Etherscan, Bscscan, Polygonscan, Tronscan.... etc that automatically approve new token logo and token value application?
Which stable coin ...
