Top Questions

1 vote
1 answer
71 views

Transaction got reverted Uniswap Universal Router

1 vote
1 answer
66 views

Storing MQTT on Ethereum Chain or is there a better way?

1 vote
1 answer
70 views

Is the sum of hashes cryptographically secure for a set of addresses?

1 vote
1 answer
35 views

Foundry script: balance mismatch of tx caller

0 votes
2 answers
39 views

Is there a way to test whether an external contract implements (or does not implement) a given interface method?

1 vote
1 answer
30 views

Stuck $200,000 of MATIC bridging from ethereum to polygon using SAFE

0 votes
1 answer
38 views

Uniswap V2 Router, Factory on amoy Test Network

0 votes
1 answer
23 views

Solidity fundamentals

0 votes
2 answers
22 views

Gas estimation error when trying to send ERC 20 to multiple addresses

0 votes
1 answer
26 views

Insufficient Allowance ERC20 when adding liquidity to Uniswap V2 Pool

1 vote
1 answer
25 views

Insufficient Liquidity after adding liquidity on Sepolia Uniswap V2

0 votes
1 answer
24 views

Rescue funds from Safe contract address that were sent on wrong Network

2 votes
1 answer
24 views

Can precompiles be written in Solidity/ Yul?

0 votes
1 answer
22 views

How to further improve Safemoon's reflection token transfer? (ERC20/BEP20)

0 votes
0 answers
28 views

How to fix revert problem in universal router?

0 votes
1 answer
27 views

Openzeppelin ERC721Enumerable getTokenIdsOfOwner reverts and I don't know why

1 vote
1 answer
21 views

Contract reverts at deploy when sending 2 ethers

1 vote
0 answers
26 views
+50

Metamask computing real rewards of Lido

0 votes
1 answer
20 views

Smart Contract Execution Transaction Fee

0 votes
1 answer
19 views

Need Help: Accidentally Sent ETH to Wrong Network (Arbitrum Safe)

0 votes
0 answers
24 views

Created a erc20 contract, using openzzeplin. Token total supply not showing up at ether scan

0 votes
2 answers
24 views

Roadmaps to become a blockchain engineer? [duplicate]

0 votes
1 answer
24 views

Is there a better way to identify token swaps than through receipt.logs?

1 vote
0 answers
23 views

eth_sendTransaction is not supported. Use eth_sendRawTransaction to send a signed transaction

0 votes
1 answer
22 views

Multi-signature in multiple chains

0 votes
1 answer
22 views

Go back to a safe-app after clicking `view transaction`

0 votes
1 answer
22 views

Very High gas fee in my staking contract

0 votes
1 answer
17 views

Invalid API key sepolia network blockscout

0 votes
1 answer
17 views

CSV airdrop Safe app on Optimism giving error

0 votes
1 answer
16 views

How to accessing Smart Contract write function from the frontend (React Js ) without any private key?

1 vote
1 answer
16 views

Getting method hardhat_impersonateAccount not supported when impersonating a WETH whale account on Arbitrum

0 votes
1 answer
15 views

I swapped a token using uniswap bot, I have unrealised profits but I no longer have the position

0 votes
1 answer
19 views

Invalid parameters: must provide an Ethereum address

0 votes
0 answers
19 views

Is this smart contract a crypto scam? [duplicate]

1 vote
1 answer
19 views

How do I properly call the transferTokens() function?

0 votes
1 answer
19 views

web3.js code works on chrome + metamask but dosent work on metamask mobile

0 votes
1 answer
18 views

Why doesn't some "favicon.ico" files work? [closed]

0 votes
0 answers
18 views

Ethereum instance not intiialized - call Ethereum.factory first

0 votes
1 answer
18 views

Transfer erc20 tokens ethers-v6

0 votes
0 answers
18 views

Is it safe to reuse same memory slots for both inputs and ouputs when working with assembly call?

0 votes
1 answer
18 views

Why is the function throwing an error when called from another contract but not when called independently?

0 votes
1 answer
14 views

Would small integers saving gas in a struct?

1 vote
1 answer
13 views

truffle console doesnt work: Unexpected error setting up the environment or provisioning contracts while instantiating the console

1 vote
0 answers
16 views

Failed to register the Ethereum service: ethash is only supported as a historical component of already merged networks

0 votes
1 answer
16 views

How to go about building a spam sniper bot on ethereum

0 votes
1 answer
12 views

State healing taking over a month, faster way to sync etherium for transfer?

0 votes
0 answers
15 views

Getting `Connector not connected` error with wagmi

0 votes
0 answers
15 views

I cant sell this token, me3 contract below, anyway to sell?


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