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imelon2
  • Member for 1 year, 10 months
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5 votes
4 answers
2k views

Is it safe to create a password in a smart contract?

3 votes
2 answers
7k views

How do I check the number of token holders?

3 votes
1 answer
63 views

How does Account Abstraction Paymaster compare the value of ERC20 and Ether?

3 votes
2 answers
137 views

Why does mload(0x40) result in 0x20?

2 votes
1 answer
27 views

Is it possible to predict the signature(r,s) that will be generated?

2 votes
2 answers
758 views

Can PREVRANDAO be written as a random number on chain?

2 votes
2 answers
678 views

modifier vs function which method is more efficient in terms of gas?

1 vote
1 answer
2k views

Does ethers.js automatically calculate gas costs?

1 vote
1 answer
917 views

When listing the token on Uniswap for the first time, Which is more effective, V2 or V3?

1 vote
0 answers
328 views

How to calculate chainlink VRF V2 fee cost?

1 vote
2 answers
60 views

Why don't specify add/sub/div/mul in the bytecode opcodes?

1 vote
2 answers
31 views

Where is the return data from an external call stored?

1 vote
1 answer
476 views

Significant gas cost difference between store data in initial variable and change data

1 vote
1 answer
67 views

Is it possible to partially predict the addresses that will be generated?

1 vote
1 answer
281 views

Is there no return value in the result of a transaction using ethersjs?

1 vote
1 answer
866 views

How does opcode PUSH0 work in EVM?

1 vote
1 answer
210 views

If the smart contract does not include the withdrawal function, will that ether be stored in the smart contract for life?

1 vote
2 answers
429 views

Can I know in real time when ether is coming into my account from Ethereum?

1 vote
1 answer
179 views

Where is Metamask's "request sign" used?

1 vote
3 answers
337 views

How many transactions can be executed in one smart contract?

1 vote
2 answers
292 views

Where are Function stored in EVM?

1 vote
2 answers
4k views

How do I set an image for ERC20 tokens on Etherscan?

1 vote
1 answer
1k views

How to set the timeout for provider http RPC requests in the ethers

1 vote
0 answers
28 views

Why smart contract call() is cheaper than sendTransaction when send ether to a wallet holding ether

1 vote
2 answers
54 views

How are bytes and bytes32 different in inline-assembly?

0 votes
2 answers
73 views

Is it possible to use CREATE2 without going through the Smart Contract's function?

0 votes
2 answers
629 views

Why gas prices vary according to state visibility (public/external/private/internal)?

0 votes
1 answer
71 views

Can I set the value of contract address to the value I want?

0 votes
2 answers
158 views

How does opensea keep track of which NFTs an address owns?

0 votes
1 answer
115 views

What are the benefits of using Opensea's Creature Factory?