Stack Exchange

Jesse Busman

Fryslân, Netherlands

Contact me if you need blockchain-related software development or auditing: jesse@jesbus.com

I'm a full stack software developer experienced in a wide range of technologies:

  • Cryptocurrencies, blockchain and smart contracts
  • Embedded software
  • Compilers, interpreters, disassemblers and decompilers
  • Mobile apps

and I'm always ready to learn more.

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Top Questions
57 votes

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

solidity addresses payable data-types type-casting asked Dec 15, 2018 at 12:05
ethereum.stackexchange.com

19 votes

What does 'infinitesimally small' mean?

adjectives adverbs negation double-negation asked Feb 14, 2014 at 14:06
english.stackexchange.com

19 votes

Is the SafeMath library obsolete in solidity 0.8.0?

solidity solc overflow safemath asked Dec 21, 2020 at 10:42
ethereum.stackexchange.com

18 votes

Digital signature that is only verifiable by one specific person

public-key signature reference-request dsa asked Jun 13, 2019 at 8:59
crypto.stackexchange.com

17 votes

What is the difference between the STATICCALL and CALL EVM opcodes?

evm delegatecall opcode callcode static-call asked Dec 24, 2020 at 23:12
ethereum.stackexchange.com

12 votes

Where does metamask store the wallet seed? (file path)

wallets metamask storage keystore asked Jul 4, 2018 at 10:40
ethereum.stackexchange.com

10 votes

How to get events emitted by a transaction with web3.js

web3js transactions javascript events asked Jan 31, 2019 at 13:59
ethereum.stackexchange.com

7 votes

Ubuntu 18.04 doesn't detect bluetooth devices anymore after waking from suspend

suspend bluetooth 18.04 pulseaudio bluetooth-speaker asked Jun 9, 2018 at 22:13
askubuntu.com

7 votes

Automatically update account balance with web3.js without polling

web3js dapp-development accounts javascript balances asked Sep 3, 2017 at 11:34
ethereum.stackexchange.com

7 votes

Unable to verify Solidity contract code on etherscan.io

solidity contract-deployment etherscan verify contract-verification asked Sep 28, 2017 at 12:27
ethereum.stackexchange.com

1 2

Top Answers
67
What's the difference between 'address' and 'address payable'?
ethereum.stackexchange.com

51
Who is msg.sender when calling a contract from a contract
ethereum.stackexchange.com

29
Show gas used in solidity
ethereum.stackexchange.com

24
Is there any profit from using pure and view functions modifiers?
ethereum.stackexchange.com

19
Max/min values of standard data types
ethereum.stackexchange.com

14
Does knowing half private key provide any useful information?
ethereum.stackexchange.com

13
What is the regex to validate ethereum transaction hash
ethereum.stackexchange.com

13
Since words are defined in terms of other words in dictionaries, leading to infinite loops, does it mean natural languages are meaningless?
philosophy.stackexchange.com

12
Difference between or and xor
stackoverflow.com

12
How can I check if a user is logged in to Metamask?
ethereum.stackexchange.com

12
How to pop from (decrease the length of) a memory array in Solidity
ethereum.stackexchange.com

11
How to write an optimized (gas-cost) smart contract?
ethereum.stackexchange.com

11
How do I share an enum definition between contracts?
ethereum.stackexchange.com

10
How is hosting of a DApp done?
ethereum.stackexchange.com

9
How to check if a bytes32 represents an empty string?
ethereum.stackexchange.com

9
What is nonce in Ethereum? How does it prevent double spending?
ethereum.stackexchange.com

9
What about calls you can do safely in constructor?
ethereum.stackexchange.com

8
Error when calling the selfdistruct method in solidity
ethereum.stackexchange.com

7
How does the EVM ensure perfect determinism and what does that mean?
ethereum.stackexchange.com

7
How to stop miner who does not execute operations?
ethereum.stackexchange.com

7
What is the gas cost of keccak256("abc")?
ethereum.stackexchange.com

7
Is there a way to view the private key of test account in Remix (javascript VM)
ethereum.stackexchange.com

6
Sign data with a contract account
ethereum.stackexchange.com

6
smart contract variable storage
ethereum.stackexchange.com

6
Are duplicate addresses rare or not?
ethereum.stackexchange.com

6
What is the relationship between Gwei and gas?
ethereum.stackexchange.com

6
Is gas usage deterministic?
ethereum.stackexchange.com

6
What is the purpose of giving name to return variables in function declaration?
ethereum.stackexchange.com

6
Why is multidimensional array declaration order reversed?
ethereum.stackexchange.com

5
Is "transfer" a transaction or a call/message?
ethereum.stackexchange.com

1 2