Hottest Questions Today

1

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1

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12

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Should My ERC721 Show In A Wallet?

wallets erc-721

answered 23 mins ago Lauri Peltonen 4,314

1

vote

1

answer

19

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Error when calling the selfdistruct method in solidity

answered 10 hours ago Jesse Busman 4,232

1

vote

0

answers

13

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Fail to verify source code on Etherscan using API with constructor arguments

solidity contract-development etherscan

modified 2 hours ago A.K. 1,797

2

votes

1

answer

15

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IPFS File upload

ipfs

answered 13 hours ago Tudor Constantin 1,883

1

vote

1

answer

11

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Recover Deployed Contract on Remix

remix contract-deployment

modified 11 hours ago shane 1,627

2

votes

1

answer

18

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What is the best way to test calling a contract's function from another contract?

solidity truffle contract-debugging truffle-console

answered 15 hours ago goodvibration 2,553

0

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1

answer

18

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How read events from solidity [on hold]

solidity

modified 16 hours ago Rick Park 652

0

votes

1

answer

17

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What is the gas cost of keccak256(“abc”)?

solidity gas keccak sha3

answered 19 hours ago Jesse Busman 4,232

2

votes

1

answer

21

views

can I broadcast transaction to 10 node with 10 nonce?

transactions

answered 13 hours ago Tudor Constantin 1,883

0

votes

0

answers

13

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Storing account information with ipfs

dapps ipfs decentralization user-safety

asked 18 hours ago YoungKidWarrior 8

0

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0

answers

14

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Contract function cannot be executed

solidity

asked 19 hours ago Cԃաԃ 101

2

votes

1

answer

11

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Why do compiler version and version in the source code not fit together for some verified contracts on Etherscan?

etherscan verify contract-verification

answered 18 hours ago Mikko Ohtamaa 6,762

6

votes

1

answer

411

views

Can a contract with no payable function have ether?

solidity ether balances payable

answered yesterday Lauri Peltonen 4,314

0

votes

1

answer

12

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Unusual error with bytes calldata

solidity remix ethereum-wallet-dapp

answered 19 hours ago Jesse Busman 4,232

0

votes

0

answers

16

views

alternative commands for eth_getCompilers, and eth_compileSolidity

solidity json-rpc

modified 23 hours ago A.K. 1,797

0

votes

0

answers

24

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how to convert params to bytes in javascript and parse uint256 from bytes in solidity

solidity blockchain web3js-v1.x

modified yesterday A.K. 1,797

2

votes

1

answer

31

views

Can't we incentivize miners to include more transactions in their block?

transactions mining proof-of-work

modified 19 hours ago Richard Horrocks 21.1k

2

votes

0

answers

15

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Issues sending Ether with web3j

ether infura

modified yesterday A.K. 1,797

5

votes

0

answers

33

views

Will Eth 2.0 be implemented in geth (go-ethereum) or will it run on a new client?

go-ethereum blockchain proof-of-stake clients serenity

asked yesterday Ethereunoob 26

1

vote

1

answer

19

views

Ethereum performance using whiteblock

testing benchmark

answered 10 hours ago zakcole 51

0

votes

0

answers

25

views

Safe deploy of ERC20Mintable token and crowdsale contract

solidity remix erc-20 ico airdrop

modified yesterday A.K. 1,797

1

vote

2

answers

33

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How eth_getStorageAt works when block option is not “latest”?

go-ethereum json-rpc

answered yesterday Ismael 14.2k

0

votes

2

answers

24

views

Set up backup from private Ethereum (Ganache) [on hold]

truffle private-blockchain truffle-migration truffle-contract ganache

modified 20 hours ago Safa SAKLY 1

1

vote

0

answers

22

views

Why is an address changing when I add it to an array?

storage arrays memory

modified yesterday dougiebuckets 116

0

votes

1

answer

21

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Convert bytes to uint256[]

solidity assembly

answered yesterday Jesse Busman 4,232

1

vote

0

answers

11

views

What mathematical concepts do I need to master in order to understand the Aztec Procotol?

privacy zero-knowledge

asked yesterday Julian Martinez 22

0

votes

0

answers

20

views

How to compile solidity using solc on docker compose?

solc docker

asked yesterday Naveen Kumar 8

3

votes

2

answers

31

views

ERC standard that allows sending tokens from many origins to one destination in one transaction?

tokens erc-20 erc-223

answered yesterday flygoing 6,331

0

votes

0

answers

16

views

Delay on receiving block by peered node

private-blockchain synchronization proof-of-authority protocol clique

asked yesterday Gopal ojha 1,124

0

votes

1

answer

24

views

Data availability in Ethereum/Hyperledger-fabric (Blockchain)

go-ethereum blockchain javascript architecture hyperledger

answered yesterday Noushad Mohamed 26

1

vote

1

answer

32

views

How do I verify and query my transaction? (Web3.py + Infura + Remix)

remix web3.py infura ethereum-classic

modified yesterday GrandFleet 610

1

vote

1

answer

22

views

What about calls you can do safely in constructor?

solidity contract-deployment solc solidity-best-practices solidity-patterns

modified yesterday Rick Park 652

1

vote

2

answers

28

views

how to join two bytes32 values in solidity?

solidity assembly

answered yesterday Ismael 14.2k

0

votes

1

answer

19

views

Can ERC20 tokens be traded on other blockchain based decentralized exchange?

go-ethereum tokens exchanges

answered yesterday Jesse Busman 4,232

2

votes

1

answer

30

views

How do I use SoliditySha3 in Nethereum?

hash nethereum

answered yesterday Juan Blanco 1,122

1

vote

1

answer

18

views

Inspecting IPFS files

blockchain ipfs

modified 8 hours ago Greg Jeanmart 4,298

1

vote

1

answer

16

views

Token transfer is not working

solidity erc-20 ethereum-wallet-dapp ico airdrop

answered yesterday Jesse Busman 4,232

2

votes

1

answer

36

views

How do ethereum validate a OLD transaction(say 10k blocks ago) without sync/replay-ing the full node?

go-ethereum patricia-merkle-tries mastering-ethereum

modified 2 days ago noooooooob 149

1

vote

1

answer

26

views

Dapp User Account Storage and IPFS/infura

infura ipfs authentication

answered 2 days ago GrandFleet 610

1

vote

1

answer

15

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msg.sender problem for calling ERC20 token contract from another contract

solidity erc-20

answered yesterday Raghav Sood 2,926

1

vote

0

answers

39

views

Unable to call setter function in solidity using Infura

solidity ethereum-wallet-dapp web3.py infura

modified 2 days ago Siddharth Malhotra 11

0

votes

0

answers

23

views

How can i send data into blockchain Ethereum [on hold]

truffle

asked 2 days ago nzar khiy 1

1

vote

1

answer

15

views

Event not visible on Etherscan transaction list

solidity go-ethereum blockchain ether

answered 2 days ago flygoing 6,331

2

votes

1

answer

29

views

Calculating a hash of a set of keys in Solidity

solidity hash-algorithm

modified 2 days ago Jesse Busman 4,232

0

votes

2

answers

20

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How to backup POA based ethereum private blockchain and restore it in a fresh new environment

web3js private-blockchain poa microsoft-azure backup

answered yesterday Badr Bellaj♦ 13.8k

0

votes

0

answers

22

views

Adding a timer to the Voting System. Ethereum (Solidity)

solidity truffle metamask dapps

asked 2 days ago Stanley 41

1

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1

answer

32

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Address checksum Solidity implementation

solidity addresses checksum

modified 2 days ago 0age 11

0

votes

0

answers

18

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ERC20 token with expiration date

solidity truffle metamask

asked 2 days ago Marcello Bardus 8

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