User Mila A

0 votes

1 answer

751 views

Ethers.js solidityPackedKeccak256 to bytes32

asked Jun 27, 2023 at 13:05

3 votes

1 answer

482 views

Where does Metamask store the private key (when the account is only locked with a machine-specific password)?

asked Feb 5 at 16:17

0 votes

1 answer

474 views

How to use ethers.js keccak256 along with a salt phrase so that it's compatible with Solidity keccak256 function?

asked Jun 27, 2023 at 7:19

1 vote

0 answers

433 views

What are examples of high-liquidity ERC777 tokens on ETHEREUM? Any other token standards apply too, as long as there's a beforeTransfer callback

asked Jan 19 at 16:04

1 vote

3 answers

217 views

How was the Ethereum 0x0 address generated?

asked Nov 23, 2023 at 11:21

1 vote

1 answer

188 views

What are the possible security threats when using mappings in Solidity?

asked Jul 2, 2023 at 14:45

0 votes

0 answers

159 views

EIP-712: practical usage of the verifyingContract in the eip712Domain structure

asked Mar 11 at 9:53

4 votes

1 answer

156 views

What does the tilde symbol mean in Solidity integer type casting in the example below?

asked Nov 15, 2023 at 17:10

1 vote

1 answer

148 views

Is it possible to batch-call the function multiple times so it's executed asynchronously and make profit from that?

asked Aug 30, 2023 at 12:58

1 vote

1 answer

118 views

Solidity modifier attachment expression onlyOwner vs onlyOwner() | any difference?

asked Jul 7, 2023 at 8:52

0 votes

1 answer

94 views

Gas griefing in "typed" external calls

asked Nov 4, 2023 at 17:08

1 vote

1 answer

88 views

What is msg.sender the Solidity smart contract sees if the caller has an ENS domain bought?

asked Oct 21, 2023 at 13:31

0 votes

1 answer

63 views

What is the Web3 approach to storing secret tokens (for example, when need to store the local salt for commit/reveal pattern)?

asked Jul 24, 2023 at 8:22

0 votes

1 answer

61 views

Does the OpenZeppelin nonReentrant modifier block calling all functions that have the modifier on them, or it keeps a separate state for each function

asked Sep 9, 2023 at 15:27

2 votes

1 answer

49 views

What was the purpose of adding the safeTransferFrom method? What are the cases when the plain transferFrom fails silently?

asked Oct 12, 2023 at 17:55

0 votes

0 answers

39 views

Coinbase pool smart contract code

asked Oct 22, 2023 at 8:53

1 vote

0 answers

35 views

Can I trust that the value of address(this).balance is up-to-date if the function that transfers eth based on it is under a re-entrancy attack?

asked Jul 1, 2023 at 14:36

0 votes

0 answers

30 views

Who is the msg.sender in the context when calling the "super.{....}" contract method on the inherited parent contract?

asked Nov 7, 2023 at 15:56

0 votes

1 answer

28 views

How can I get a specific (empty as of now) Ethereum address?

asked Oct 21, 2023 at 14:55

0 votes

0 answers

26 views

Malicious ERC20 blocking batch withdrawals of tokens (e.g. ERC777)

asked Nov 18, 2023 at 17:01

0 votes

1 answer

21 views

How do hackers fund their Ethereum gas for attacking contracts?

asked Oct 16, 2023 at 14:58

0 votes

0 answers

14 views

Is there any way to fake the signature selector in Solidity for abi.encodeWithSelector?

asked Oct 16, 2023 at 8:16

0 votes

0 answers

13 views

Is there any way to explicitly trigger the fallback's execution if the msg.data matches an external function present in the contract?

asked May 30 at 19:05

Stack Exchange Network

23 Questions

Ethers.js solidityPackedKeccak256 to bytes32

Where does Metamask store the private key (when the account is only locked with a machine-specific password)?

How to use ethers.js keccak256 along with a salt phrase so that it's compatible with Solidity keccak256 function?

What are examples of high-liquidity ERC777 tokens on ETHEREUM? Any other token standards apply too, as long as there's a beforeTransfer callback

How was the Ethereum 0x0 address generated?

What are the possible security threats when using mappings in Solidity?

EIP-712: practical usage of the verifyingContract in the eip712Domain structure

What does the tilde symbol mean in Solidity integer type casting in the example below?

Is it possible to batch-call the function multiple times so it's executed asynchronously and make profit from that?

Solidity modifier attachment expression onlyOwner vs onlyOwner() | any difference?

Gas griefing in "typed" external calls

What is msg.sender the Solidity smart contract sees if the caller has an ENS domain bought?

What is the Web3 approach to storing secret tokens (for example, when need to store the local salt for commit/reveal pattern)?

Does the OpenZeppelin nonReentrant modifier block calling all functions that have the modifier on them, or it keeps a separate state for each function

What was the purpose of adding the safeTransferFrom method? What are the cases when the plain transferFrom fails silently?

Coinbase pool smart contract code

Can I trust that the value of address(this).balance is up-to-date if the function that transfers eth based on it is under a re-entrancy attack?

Who is the msg.sender in the context when calling the "super.{....}" contract method on the inherited parent contract?

How can I get a specific (empty as of now) Ethereum address?

Malicious ERC20 blocking batch withdrawals of tokens (e.g. ERC777)

How do hackers fund their Ethereum gas for attacking contracts?

Is there any way to fake the signature selector in Solidity for abi.encodeWithSelector?

Is there any way to explicitly trigger the fallback's execution if the msg.data matches an external function present in the contract?