Skip to main content
Ethereum

Explore our questions

Ask Question
more tags
Active Hot Week Month
0 votes
1 answer
641 views

Cannot swap eth for exact tokens: TransferHelper: ETH_TRANSFER_FAILED

Community's user avatar
CommunityBot
  • 1
0 votes
1 answer
525 views

Linter Error: `assert(this.f.address == address(this));`

Community's user avatar
CommunityBot
  • 1
2 votes
3 answers
2k views

What is the Chain ID for Metamask associated with truffle develop?

Community's user avatar
CommunityBot
  • 1
2 votes
1 answer
467 views

Does it make sense to have a Node.js backend serving json to frontend for dapp?

Community's user avatar
CommunityBot
  • 1
6 votes
2 answers
14k views

can't verify contract on etherscan (But we were unable to locate a matching bytecode (err_code_2))

Community's user avatar
CommunityBot
  • 1
2 votes
1 answer
1k views

How long does it take to validate transactions?

Community's user avatar
CommunityBot
  • 1
1 vote
2 answers
5k views

Create an Ethereum wallet with React Native for single token

Community's user avatar
CommunityBot
  • 1
0 votes
1 answer
623 views

How do I call a function on the sepoila network using web3.py?

Community's user avatar
CommunityBot
  • 1
2 votes
1 answer
460 views

What storage is assigned to mappings in solidity?

Community's user avatar
CommunityBot
  • 1
1 vote
2 answers
51 views

Damn Vulnerable

xpanpan's user avatar
xpanpan
  • 1
0 votes
2 answers
344 views

AttributeError: 'NoneType' object has no attribute 'retrieve' #1195

Community's user avatar
CommunityBot
  • 1
2 votes
1 answer
458 views

Geth fast sync takes way too long

Community's user avatar
CommunityBot
  • 1
0 votes
1 answer
659 views

Why is my setApprovalForAll not updating on the blockchain?

Community's user avatar
CommunityBot
  • 1
0 votes
1 answer
353 views

Connecting to my smart contract on polygon testnet (Mumbai)

Community's user avatar
CommunityBot
  • 1
Browse more Questions