Ethereum Stack Exchange is a question and answer site for users of Ethereum, the decentralized application platform and smart contract enabled blockchain. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Top Questions

2 votes
0 answers
364 views

Why is the Vyper Bytecode smaller? What is it giving up?

1 vote
1 answer
236 views

Attack on ERC-777 smart contract and UniswapV2Pair resulting in 104 ETH liquidity drain

1 vote
1 answer
150 views

What is Terminal Total Difficulty (TTD)?

3 votes
1 answer
89 views

Where did the number of 32 Eth to become a validator come from?

0 votes
2 answers
153 views

Help Please hardhat.config.js * Invalid account: #0 for network: Rinkeby - private key too short, expected 32 bytes

0 votes
2 answers
114 views

[SOLVED]PatrickCollins Solidity Course 2022 - Lesson 7: 11:20:38 -> TypeError: ethers.getContract is not a function

0 votes
1 answer
102 views

Error: invalid BigNumber value (argument="value", value=undefined, code=INVALID_ARGUMENT, version=bignumber/5.6.2)

0 votes
3 answers
56 views

Can an upgradeable token appear in the asset list?

0 votes
1 answer
118 views

Opensea error: 'AccountData' object has no attribute '_meta' [closed]

1 vote
2 answers
59 views

super keyword usage

0 votes
2 answers
74 views

console.log not working in scripts/deploy.js and in smart_contract in HardHat

0 votes
1 answer
44 views

New contract deployment pattern (0x60c06040)?

0 votes
1 answer
93 views

Module not found: Error: Can't resolve 'crypto' in '/Users/user/Desktop/esample/react-minting-website/node_modules/eth-lib/lib'

1 vote
1 answer
71 views

Get Signature for Tuple input for EIP712 [duplicate]

0 votes
1 answer
71 views

How to write struct with solidity assembly ( understand assembly )

0 votes
2 answers
55 views

address.call{}(abi.encodeWithSignature()) in solidity returns boolean and what other parameters?

1 vote
1 answer
84 views

Explain a decompiled smart contract

2 votes
1 answer
49 views

Upgradeable proxy contracts- Seperating logic, functionality, & storage contracts. Examples? Resources?

0 votes
1 answer
48 views

Downsides of using ERC721A over ERC721?

0 votes
2 answers
48 views

Funds stucked in smart contract

0 votes
1 answer
47 views

Executing a transaction using the Safe API

0 votes
3 answers
47 views

Pushing a contract to an array in another contract

1 vote
1 answer
58 views

Can anyone make this function of findMostOccurringString as transaction-less (view or pure)?

0 votes
1 answer
74 views

Window.ethereum: Object is possibly 'undefined'

0 votes
1 answer
74 views

Unable to validate signature using validateERC721OrderSignature(order, signature) function on the ERC721OrdersFeature.sol contract (0xv4)

0 votes
1 answer
71 views

Gas price limit in metamask Rinkeby

1 vote
1 answer
55 views

How to transfer an NFT from a contract address to a wallet address

0 votes
2 answers
54 views

How to use the Solidity Burn function

0 votes
1 answer
52 views

Use WETH for NFT MArketplace

0 votes
1 answer
40 views

Just got my contract drained- how?

3 votes
1 answer
39 views

Can I import solidity code (or ABIs) into vyper?

1 vote
2 answers
50 views

Error when passing the literal string " " to a function with bytes calldata as parameter

0 votes
3 answers
64 views

0x batchFillLimitOrders not working with small remainingFillableTakerAmount

0 votes
2 answers
63 views

Help Please Solidity version pragma statement in these files doesn't match the configured compilers in your config*contracts/hello-world.sol ("0.8.4")

0 votes
2 answers
49 views

sendSignedTransaction web3js

1 vote
2 answers
38 views

Is there a way to retrieve hexadecimal methodID from function ABI?

0 votes
1 answer
38 views

Is there an API to fetch collection-level NFT stats from 0x orders like floor price, total volume, etc?

2 votes
1 answer
48 views

Upgrade of storage within proxy system

0 votes
2 answers
46 views

How to access mapping in solidity?

0 votes
1 answer
43 views

UNIT Test Error: No Contract deployed with name Raffle

0 votes
0 answers
55 views

Error HH8 Invalid account: #0 for network: bsctest - Expected string, received undefined

0 votes
1 answer
55 views

Error: chainId address mismatch

0 votes
1 answer
54 views

web3modal error during Wallet Connect function for web3 in javascript

0 votes
0 answers
54 views

When calling execTransaction manually, it fails with GS026 - Invalid owner provided

0 votes
1 answer
53 views

Cheaper way to mint NFTs to addresses( airdrop) by using ERC721 contract?

0 votes
1 answer
53 views

TypeError [ERR_INVALID_ARG_TYPE]: The "data" argument must be of type string or an instance of Buffer, TypedArray Ethers.js encrypt function error

0 votes
1 answer
53 views

How do I download an entire NFT collection, including metadata

0 votes
1 answer
41 views

OpenZeppelin ERC721: difference between safeMint and mint


Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.