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Ethereum

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Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.
Awarded 1010 times.
web3.eth.sendRawTransaction: cannot unmarshal hex string without 0x prefix
Awarded Aug 16 at 13:51
How estimate GAS from a contract call with Web3j
Awarded May 20 at 7:26
Contract event - transactionIndex and logIndex
Awarded Apr 29 at 12:41
simulate transaction without sending to blockchain
Awarded Apr 22 at 15:46
Control Structures- why is switch and goto not in Solidity?
Awarded Apr 9 at 15:40
Difference between address.code and type(Contract).runtimeCode in solidity
Awarded Feb 19 at 21:01
Concat two bytes arrays with Assembly
Awarded Jan 27 at 23:06
Combine multiple event filters in EthersJS
Awarded Jan 2 at 8:41
Who is the block builder and how to be one?
Awarded Dec 6, 2024 at 19:36
Is there a table of EVM instructions and their gas costs?
Awarded Nov 22, 2024 at 8:25
How is the address of an Ethereum contract computed?
Awarded Nov 7, 2024 at 6:25
Is there a C# implementation available for Ethereum?
Awarded Oct 26, 2024 at 16:18
Why does ethereum need a trie for key-value lookups?
Awarded Sep 9, 2024 at 14:16
Markdown syntax highliter for Solidity
Awarded Aug 12, 2024 at 18:39
Debugging a failed transaction
Awarded Jul 22, 2024 at 7:00
In Solidity, how does the slot assignation work for storage variables when there's inheritance?
Awarded Jul 7, 2024 at 13:42
Ethereum transaction events listener with AWS lambda
Awarded Jul 7, 2024 at 0:32
Is Polygon (Matic) a layer-2 or a sidechain?
Awarded Jul 6, 2024 at 11:26
Geth State heal in process explanation
Awarded Jun 14, 2024 at 13:41
Source File requires different compiler version
Awarded Jun 4, 2024 at 11:16
How does metamask come up its suggested gas fees?
Awarded May 27, 2024 at 2:41
How can you decompile a smart contract?
Awarded May 25, 2024 at 13:11
How to use anvil accounts in the Foundry Test
Awarded May 16, 2024 at 2:47
What is msg.value?
Awarded May 6, 2024 at 3:15
Hardhat Test returns transaction instead of return value
Awarded May 2, 2024 at 8:51
How to configure custom ethereum node in foundry project?
Awarded Apr 30, 2024 at 14:35
Is there a way to listen to log events via websocket with web3py
Awarded Apr 26, 2024 at 2:11
Sent ETH to my Wallet, but it did not show up
Awarded Apr 25, 2024 at 15:00
Decode multicall bytes[] into readable format?
Awarded Apr 8, 2024 at 14:07
Convert bytes32 to bytes
Awarded Apr 8, 2024 at 11:50
Hardhat vs foundry, which to use for testing?
Awarded Apr 3, 2024 at 4:09
Get public key of any ethereum account
Awarded Apr 1, 2024 at 6:04
How to get contract's ether balance at hardhat / waffle
Awarded Mar 26, 2024 at 15:05
<address>.send vs <address>.transfer best practice usage?
Awarded Mar 22, 2024 at 6:55
Hardhat vs foundry, which to use for testing?
Awarded Mar 15, 2024 at 23:10
As in web3.js get the same signature as the signature from the signTypedData_v4 method?
Awarded Mar 14, 2024 at 13:31
Signing an array whit `eth_signTypedData_v4`
Awarded Mar 13, 2024 at 13:57
Why are local variables allocated to storage instead of memory?
Awarded Mar 11, 2024 at 13:16
Unable to get abi and bytecode when compiling using solc
Awarded Feb 25, 2024 at 19:20
Logarithm math operation in Solidity
Awarded Feb 20, 2024 at 22:56
Difference between Account Extended Private Key and BIP32 Extended Private Key
Awarded Feb 17, 2024 at 21:27
Solidity shr opcode
Awarded Feb 14, 2024 at 15:11
Assign a portion of an array into another array
Awarded Feb 12, 2024 at 20:07
What is the difference between the STATICCALL and CALL EVM opcodes?
Awarded Jan 16, 2024 at 20:25
What are the differences between create2 and create3?
Awarded Dec 15, 2023 at 8:36
Can "bytes" take in value as a hex?
Awarded Dec 10, 2023 at 13:06
Can't do any integer division
Awarded Dec 6, 2023 at 23:41
Source File requires different compiler version
Awarded Dec 3, 2023 at 1:20
Why is there a difference between a public array and a function which returns it?
Awarded Dec 1, 2023 at 9:57
Convert String to Hex using ethers.js
Awarded Nov 29, 2023 at 0:06
How does one query the Ethereum ENS name service via an API endpoint with a JSON response?
Awarded Nov 22, 2023 at 17:45
Is Polygon (Matic) a layer-2 or a sidechain?
Awarded Nov 12, 2023 at 13:11
How to get private key from account address and password?
Awarded Nov 10, 2023 at 13:56
web3: How do I get past events of myContract.myEvent?
Awarded Nov 10, 2023 at 13:56
What is a replay attack?
Awarded Nov 10, 2023 at 13:56
modifier vs private function
Awarded Nov 2, 2023 at 7:49
Modify block number when testing with Hardhat
Awarded Oct 23, 2023 at 19:30
What is INIT_CODE_HASH and how is it calculated / used in DeFi smart contracts
Awarded Oct 22, 2023 at 8:12
What is operator approval in context of ERC-1155?
Awarded Oct 20, 2023 at 7:36
ParseEther is getting undefined
Awarded Oct 17, 2023 at 9:36
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