ethereum

ethereum

ERC721 Token abstract contract or an interface and cannot be deployed

How can I get MetaMask to use the corresponding token to display balances?

Extracting a MetaMask seed phrase over to a private key?

Sign raw transactions in Logic Apps

Why do I get the error: Could not find import, when compiling on truffle

Does web3js support Bitcoin

Issue with Solidity 6.0 (returns not work)

Can a normal ethereum address receive an USDC token?

Why are these Ethereum Contracts not sweeping USDT?

How to de/encode bytes into an address array in Vyper?

Building my first smart contract application

How to read information from ethereum transaction using transactionHash in web3?

How can one obtain the message from state-reverting exception using ethereum clients, when self did not broadcast transaction?

Return value from a deployed smart contract, via a smart contract, to a smart contract

How to declare constants in Solidity

Calling contract function with bytes4 argument gives error

Transfer money between accounts in solidity

Why are all my Remix test accounts showing 0 ETH?

DappNode mainnet syncing stuck

Is it possible to provide access to the smart contract only from the application and block direct access?

How to switch account without using metamask?

Is it safe to read the ethereum smart contract balance directly to calculate the transfer of assets to users?

Convert Usd to Ethereum [closed]

INFURA: sender account not recognized

How to resolve this error in solidity "The constructor should be payable if you send value."?

Remix IDE getting error "Please select the folder in the file explorer where the metadata of contract can be found"

How can I view the raw data of an Ethereum block?

Simulate a double spend on a local ethereum blockchain

Check that object is null in solidity mapping

Geth: balance is always 0 on --rinkeby

What do uints initiate to?

Delegate call in Solidity - Proxy Pattern

Generating ethereum address from ECDSA Public Key

Detect MetaMask logout (Ethereum)

staking existing ERC20 token

How to set array size in return by array input in Solidity?

Can't deploy Dapp to rinkeby

Call custom Ethereum fallback function with web3.py

How can I subscribe to ERC20 balance changes

Cannot access member 'match' of undefined in geth

Is there a way to return a function as false and still execute code untill it reverts, eq: function owner() { owner = 0x0; revert(); }

geth does not persist trie node data from memory to disk on ungraceful system restart

solidity error with addr.transfer(1 ether)

How to build a ping message for ethereum node discovery using python?

Missing copy button in new version of Remix

How to develop simple DAPP for banking using ethereum ganache and simple html UI?

Unable to start Tessera node for Quorum

Private Ethereum : Got error (Transaction was not mined within 750 seconds) when saving migration to chain on a private Ethereum network

Error when interacting with smart contract

why is my withdraw function consuming infinite gas? it's a fairly simple function

How to prevent a token transfer in smart contract?

How to use hex function with abi.encodeWithSignature()

Execute solidity contract methods from specific account on Ethereum Remix JavaScript VM

callling deployed contract xyz public payable function from deployed contract abc with hexdata in Solidity

abi: attempting to unmarshall an empty string while arguments are expected

Difference between Openzeppelin SDK and Truffle?

Solidity & Web3js: EIP712 signing uint256 works signing uint256[] does not

Does Solidity supports floating point number

Can't install older version 1.8.27 of Geth on Ubuntu 16.04

How to sign a erc20 token transaction using web3j java

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