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Top Questions

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1 answer
12 views

Do binance trades happen on the blockchain?

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2 answers
14 views

What happens to stakers' rewards when initial supply of coins are ended?

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1 answer
11 views

How to send custom order to a contract with Metamask

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1 answer
11 views

Does calling a read function with input leave any trace?

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1 answer
17 views

How to store a large mapping in a smart contract?

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0 answers
13 views

Error by npm run deploy_contract

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1 answer
14 views

Where is the single-parameter version of function sub() defined in SafeMath?

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1 answer
14 views

`should be marked as abstract` for a contract that inherits from ERC721Enumerable

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2 answers
16 views

Can Ethereum prevent secondary market sales?

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2 answers
24 views

How to get the returned values in Solidity functions? [duplicate]

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1 answer
12 views

Which Ethereum testnet will be supported after the merge (Paris/Bellatrix)?

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0 answers
14 views

Transfer function not changing custom token(ERC20) balance after successful transfer from transfer function?

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3 answers
39 views

Casting on solidity vs a constructor

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1 answer
14 views

address.transfer() fails, while address.call{}() works fine in reentrancy attack. Why?

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1 answer
11 views

Can i build an NFT marketplace on 0x api

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0 answers
12 views

How to verify Bitcoin transaction against a specific user? [migrated]

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1 answer
17 views

How to get the private key from seed phrase and account number generated by Coinbase Commerce?

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1 answer
19 views

Unable to install Ganache

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0 answers
13 views

I want to use FallbackManager

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1 answer
18 views

Comparison between contract type variable and address

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1 answer
40 views

How to implement features(e.g. ERC721OrdersFeature) into 0x proxy

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2 answers
19 views

Send msg.value to another address immediately

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1 answer
12 views

How large is the key-value dataset of Tether?

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1 answer
23 views

Initializing IUniswapV2Pair from msg.sender

1 vote
2 answers
37 views

Why using storage keyword instead of memory cost less gas?

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1 answer
14 views

is it possible to send tesnet eth from one testnet network to another?

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0 answers
34 views

How to Approve spend of one or many Token with Web3.js?

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0 answers
13 views

How to fix `ParserError: Expected ',' but got '=>'`?

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2 answers
20 views

We have a contract on OpenSea that has a Metamask wallet as the owner, we would like to change that to a Gnosis Safe Wallet, Can We?

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0 answers
16 views

How to Approve spend of one Token with Web3.js? [duplicate]

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1 answer
19 views

Call a function from another contract (by caller contract) [duplicate]

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1 answer
24 views

What does 'blockchain blindness' in the ethereum whitepaper mean?

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1 answer
23 views

from solidity: TypeError: Member "log" not found or not visible after argument-dependent lookup in type(library console)

1 vote
0 answers
22 views

How is ethereum updated?

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0 answers
18 views

Fixed length for dynamic arrays

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0 answers
31 views

EIP1271 - signing message as signer

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1 answer
16 views

How can i store each address that interact with my smart contract?

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1 answer
15 views

What is 'value blindness' in the ethereum whitepaper?

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1 answer
11 views

Solidity return enum in library

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0 answers
11 views

Geth doesn't handle Large number of Requests

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0 answers
12 views

Smart contract events are being emitted multiple times with exactly the same data using Ethers JS

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0 answers
11 views

Presale inside token smart contract

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1 answer
25 views

fallback not executing

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1 answer
19 views

If not in the EVM, where do internal functions execute?

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0 answers
12 views

Geth --syncmode full takes too long

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0 answers
12 views

How to Use 2 NFTS metadata to create a new NFT (Breed) with Metadata JSON that they choose from the 2 NFTs

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0 answers
11 views

Is using block.timestamp + appropriate for adding months even years into the future?

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0 answers
15 views

How to run a multithread and async loop in Web3.py to monitor the same event on multiple smart contracts?


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