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DHC
  • Member for 3 years, 2 months
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6 votes
2 answers
11k views

Safetransfer Vs transfer

3 votes
2 answers
790 views

What is the difference between eth_sign and personal_sign?

2 votes
1 answer
6k views

What is that error called "code: -32000, message: 'header not found'" when I deploy smart contracts to BSC?

2 votes
1 answer
160 views

Solidity keyword delete is not working

2 votes
0 answers
438 views

Solidity assembly code - calldatacopy, delegatecall

2 votes
1 answer
3k views

How to assign a hex literal to a `bytes` variable in Solidity

1 vote
1 answer
20 views

Can Chainlink time-based upkeep register multiple cron jobs in a single contract?

1 vote
2 answers
831 views

What is the maximum size of memory in solidity?

1 vote
1 answer
2k views

How to call a function in parent contract from children contract?

1 vote
1 answer
7k views

What is the BNB decimal on BSC

1 vote
1 answer
34 views

what is the unit in ICO?

0 votes
2 answers
234 views

why do not I get an division error when I put 5/2 with the use assignment operator

0 votes
1 answer
96 views

Percentage Calculation in Solidity

0 votes
1 answer
156 views

are there other ways to send bundle of transactions without using flashbot?

0 votes
2 answers
74 views

Questioning about the _safeTransfer in the swap function of the UniswapV2 pair contract

0 votes
1 answer
162 views

How to generate secure and pure Randomness number without Chainlink VRF?

0 votes
0 answers
33 views

how to clone (minimal proxy pattern) a governance contract from OpenZeppelin

0 votes
0 answers
25 views

How to know if it is the correct address and calldata when holders call the propose function?

0 votes
0 answers
16 views

How to match winning numbers to input numbers of users for lottery daoo?

0 votes
2 answers
69 views

UUPS vs Beacon proxy pattern

0 votes
0 answers
6 views

How to integrate mobail Metamask or any cryptocurrency wallet with mobile browser?