Ethereum

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 7999 times.
Cannot install truffle. Node.js and npm are installed
Awarded 5 mins ago
Is it reasonable to use uint128 or less to save space?
Awarded 29 mins ago
Is it possible to use a solidity library inside another?
Awarded 12 hours ago
What is JITVM in Geth?
Awarded 13 hours ago
Am I allowed to copy and reuse a smart contract?
Awarded 15 hours ago
How to return dynamic sized array's original address on the memory of Solidity?
Awarded 20 hours ago
where can I find the original Ethereum's (DAO's) genesis file?
Awarded 22 hours ago
Trying to mint 721 tokens from external contract gives invalid opcode
Awarded 22 hours ago
Calculate deposit amount when adding to a liquidity pool in Uniswap v3
Awarded yesterday
What is fat db in parity
Awarded yesterday
What are the Pancakeswap "*SupportingFeeOnTransfer" methods for?
Awarded yesterday
Getting "TypeError: Name has to refer to a struct, enum or contract." when importing contracts
Awarded yesterday
What is the difference between approval and ownership in ERC721?
Awarded yesterday
Delegatecall return values solidity 5.0
Awarded yesterday
How do I call my smart contract functions through web3 js?
Awarded yesterday
How does uniswap creator take profit?
Awarded yesterday
No matching declaration found after argument-dependent lookup in remix IDE
Awarded 2 days ago
Error: HelloWorld has not been deployed to detected network (network/artifact mismatch)
Awarded 2 days ago
How can we make sure we are connected to the provider?
Awarded 2 days ago
i'm getting this erreur with my metamask, RPC Error: Internal JSON-RPC error
Awarded 2 days ago
Web3 hex conversion - Reading Events Output
Awarded 2 days ago
Can a contract address have both ERC20 and ERC721 transactions
Awarded 2 days ago
How to make Truffle tests run separately without contaminating state
Awarded 2 days ago
What’s the block reward for smart contract miners?
Awarded 2 days ago
How much gas does it cost to create and/or execute a smart contract? [duplicate]
Awarded 2 days ago
Connect Metmask to ( local host ) port other than 8545
Awarded Oct 20 at 22:56
ETH adress creation time?
Awarded Oct 20 at 20:43
Explicit type conversion not allowed from "int_const -1" to "uint128"
Awarded Oct 20 at 16:07
Does Ethereum offer encrypted peer to peer communication applications?
Awarded Oct 20 at 13:32
How can I test sending Ether to a contract with a `payable` receive function?
Awarded Oct 20 at 6:36
Migration 2_deploy_contracts invalid or does not take any parameters at Object.run()
Awarded Oct 20 at 5:30
How to convert BigInteger balance from WEI to ETH in Objective-C?
Awarded Oct 20 at 5:30
Fail with error 'Ownable: caller is not the owner'
Awarded Oct 20 at 1:56
remix: The method debug_traceTransaction does not exist/is not available
Awarded Oct 20 at 0:07
fallback function is accepting more than 2300 gas
Awarded Oct 19 at 20:41
how does phishing works for metamask?
Awarded Oct 19 at 12:42
How to creating multiple NFT tokens using ERC1115
Awarded Oct 19 at 10:27
web3.utils.toWei(web3.utils.fromWei(...))
Awarded Oct 19 at 9:47
Is it possible to send/receive Bitcoin using a smart contract?
Awarded Oct 19 at 6:54
Metamask doesn't show token value on erc20 contract interaction [closed]
Awarded Oct 19 at 6:27
EIP155. How chainId works?
Awarded Oct 19 at 0:15
Stuck trying to verify a smart contract through hardhat
Awarded Oct 18 at 20:13
Are Ethereum Addresses the same as Polygon?
Awarded Oct 18 at 20:08
Transfer ERC20 Token - Encountered during contract execution [Reverted]
Awarded Oct 18 at 20:08
Verify a (Metamask) transaction has happened on NodeJS
Awarded Oct 18 at 18:40
Can't get bytecode from remix
Awarded Oct 18 at 14:07
Calling a function from a contract passed in as an argument
Awarded Oct 18 at 13:51
Convert ethereum tokens to inr
Awarded Oct 18 at 11:56
Web3 js proper way to call a Reading contract function
Awarded Oct 18 at 10:36
Calling contract method internally from geth code
Awarded Oct 18 at 8:17
uniswap solidity contract: swapExactTokensForTokens Failed in my own smart contract
Awarded Oct 18 at 8:07
Calling a contract method on a specific block number using Go
Awarded Oct 18 at 4:16
Problem with truffle console : Cannot read property 'call' of undefined
Awarded Oct 17 at 20:50
How to register USER in my Smart Contract using Solidity?
Awarded Oct 17 at 19:41
WEB3.JS How do I configure a payable function front end with the input (DAPP)
Awarded Oct 17 at 18:26
Solidity - struct initial mapping can be ignored
Awarded Oct 17 at 16:50
Solidity ,Member"transfer"Not found or not visible after argument dependent lookup in address
Awarded Oct 17 at 16:08
Is there a way to create an ERC20 token with an unlimited suplly?
Awarded Oct 17 at 12:05
web3.py - AttributeError: 'Eth' object has no attribute 'get_block'
Awarded Oct 17 at 9:25
Given an ETH wallet address - Fetch all ERC721 tokens currently owned
Awarded Oct 17 at 4:42
1
2 3 4 5
…
134

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.