Jesbus's user avatar
Jesbus's user avatar
Jesbus's user avatar
Jesbus
  • Member for 6 years, 9 months
  • Last seen this week
  • Fryslân, Netherlands
73 votes

What's the difference between 'address' and 'address payable'?

53 votes

Who is msg.sender when calling a contract from a contract

32 votes
Accepted

Show gas used in solidity

24 votes
Accepted

Is there any profit from using pure and view functions modifiers?

19 votes

Max/min values of standard data types

15 votes
Accepted

What is the regex to validate an Ethereum transaction hash?

14 votes
Accepted

Does knowing half private key provide any useful information?

13 votes
Accepted

How to pop from (decrease the length of) a memory array in Solidity

12 votes
Accepted

How do I share an enum definition between contracts?

12 votes
Accepted

How can I check if a user is logged in to Metamask?

10 votes

What is nonce in Ethereum? How does it prevent double spending?

10 votes
Accepted

How is hosting of a DApp done?

10 votes

How to write an optimized (gas-cost) smart contract?

9 votes
Accepted

How to check if a bytes32 represents an empty string?

9 votes
Accepted

What about calls you can do safely in constructor?

8 votes

Error when calling the selfdistruct method in solidity

8 votes

Is there a way to view the private key of test account in Remix (javascript VM)

7 votes
Accepted

What is the gas cost of keccak256("abc")?

7 votes
Accepted

how to join two bytes32 values in solidity?

7 votes
Accepted

How to stop miner who does not execute operations?

7 votes
Accepted

Where is the barrier between using uint256 and bytes32?

7 votes
Accepted

How does the EVM ensure perfect determinism and what does that mean?

6 votes

Is gas usage deterministic?

6 votes
Accepted

Build a hash from a string and a number uint256 on Solidity

6 votes
Accepted

Are duplicate addresses rare or not?

6 votes
Accepted

What is the relationship between Gwei and gas?

6 votes
Accepted

Sign data with a contract account

6 votes
Accepted

smart contract variable storage

6 votes

What is the purpose of giving name to return variables in function declaration?

6 votes

Is there a solidity string limit of 32 bytes?

1
2 3 4 5
7