ethereum

ethereum

Why does event in NFT (ERC721) token gets address(0) as first argument?

Questions about mint, burn function in UniswapV2Pair.sol

Setting gas for transaction on Ethereum when interacting with smart contract

How do you transfer an ERC-721 token using an impersonated address on an Ethereum mainnet fork?

Best way to register for a vote in solidity

How to approve Token to self-deployed contract

Sending Ether failing in smart contract failing

can't update state in solidity test blockchain

Invalid address or ENS name

Error: invalid argument 0: json: cannot unmarshal hex string without 0x prefix into Go struct field TransactionArgs.data of type hexutil.Bytes

How do I decode events of a transaction from the transaction receipt?

How to bridge an existing eth token to bsc smart chain

Sending both ether and calling function on smart contract using Web3

How to deploy ERC-20 token on Aurora and bridge it to Ethereum Mainnet?

How can you use an array within a struct like a normal array in Solidity?

getting "insufficient funds for gas * price + value" when using my own BSC full node, at tx signing on web3

Hardhat cannot console.log msg.data

Solidity : question about ERC20 token creation and pre sales (crowdsales)

How to use testnet during development in Coinbase Wallet

Remix ETH doesn't show public variables when contract is deployed

Managing gas fees in solidity smart contract

Can't inherit contract from other one correctly

ethstats on http://homestead.test:8081 don't display my nodes

How to Avoid making time-based decisions in contract business logic?

Finding relevant smart contract information in Blockchain data

How to deposit token-pair in pool (about uniswap code)

Rinkeby Authenticated Faucet not working with Metamask? [closed]

Make that only the address that funded the smart contract with LINK token can call functions that will spend it

Opensea token URI version v2 return success false error

How to call setApprovalForAll() function in ERC721URIStorage

Meaning of "Minting an NFT" and OpenSea.io question

Token doesn't want to deploy to a blockchain

How to fix 'TransferHelper: ETH_TRANSFER_FAILED' when interacting with Uni V2

Solidity smart contract audit

Ethereum private testnet failing due to peers not connecting

Reading smart contract from malicious node

Token URI of a opensea NFT token is throwing error on GET

DeclarationError: undefined Identifier - solidity

Smart contracts: If i call a function that is using a public variable, can it be modified by the call of a function of other user?

How do I resolve this Hardhat CompilerError? (Stack too deep when compiling inline assembly)

Solidity Smart Contracts redundant inheritance

solidity delegatecall prevention doesn't works

How to track transactions with mapping without overwriting previous data in Solidity?

Deeplinking to connect to Mobile Wallets using Wallet Connect

How to go about changing public keys of a user in my web3 app?

MetaMask - RPC Error: execution reverted {code: -32000, message: 'execution reverted'} while trying to connect to smart contract

How to random mint a static number of NFT?

Transfering ERC20 Tokens from DApp/Smart Contract to user on a Node.js server

Smart Contract on Polygon not showing proper cost?

DeclarationError : undeclared identifier

Verifying solidity contract on polygonscan

Trouble calling contract functions from another contract

ERC20 Token: What is address(0)? And best practices for initial token distribution?

Do I need to pay gas fees to distribute my ethereum based crypto?

How can I use Metamask RPC API to build an Ethereum miner?

Obtain source code from uncompiled contract with bytecode and ABI?

Why aren't Chainlink Keeper transactions showing up on Polyscan (Matic Mumbai)?

Aave aaveLendingPool.withdraw() return value validation

Do you need SafeMath in Solidity version 0.8+ , and if not, can you still import it?

Ethereum eth_call returns padded address

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