Ethereum

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Question with 1,000 views. This badge can be awarded multiple times.
Awarded 4957 times.
Can a transaction get lost?
Awarded 3 hours ago
How can I change the gas price or the gas limit when testing with pyethereum?
Awarded yesterday
Return multiple value from the function (read the multiple returns) - solidity
Awarded 2 days ago
Mining on testnet
Awarded 2 days ago
How to use infura API with web3 js? [duplicate]
Awarded 2 days ago
Solidity: Best practices - Which compiler version should I use? Advantages / Disadvantages
Awarded Jan 16 at 20:20
Django, Ethereum, Sqlite
Awarded Jan 16 at 12:55
How can I find ETC nodes (to pass their enode URI to --reserved-peers) because the classic chain no longer syncs through tor?
Awarded Jan 16 at 12:25
What happens if you call a non-existent function of another contract that has no fallback function in Solidity?
Awarded Jan 15 at 22:00
Understanding data payload on contract call [duplicate]
Awarded Jan 15 at 1:45
User Truffle on Testrpc offline
Awarded Jan 14 at 21:30
msg.sender.transfer(purchaseExcess); failure in solidity test
Awarded Jan 14 at 2:20
How Do I Know If I Still Have Remaining DAO Refunds?
Awarded Jan 13 at 19:45
How to get events emitted by a transaction with web3.js
Awarded Jan 13 at 10:05
Bad block, gas used error, Synchronisation failed
Awarded Jan 12 at 20:00
How to receive ether in wallet address and forward to another address on successful deposit?
Awarded Jan 12 at 13:45
Concealing sensitive data in a public contract
Awarded Jan 11 at 12:30
How to send Ether to a contract successfully?
Awarded Jan 11 at 10:55
Client Side JavaScript Ethereum Address Generation? [duplicate]
Awarded Jan 11 at 10:00
How do nodes detect the duplicate transactions when Malicious/Misbehaving miner reintroduce old transactions in new blocks
Awarded Jan 11 at 5:00
Meta-transaction explanation
Awarded Jan 10 at 12:50
Authentication using ethereum account
Awarded Jan 10 at 8:05
How Do i Splice An Array in Solidity
Awarded Jan 10 at 7:30
How to replicate Bitcoin's OP_RETURN functionality on Ethereum?
Awarded Jan 10 at 3:10
Where is storing events log? [duplicate]
Awarded Jan 9 at 17:25
is .eth a true TLD and belongs to DNS (Domain Name System)?
Awarded Jan 9 at 1:30
When is a transaction callback called?
Awarded Jan 8 at 20:05
sendTransaction BigNumber Error: new BigNumber() not a number: [object Object]
Awarded Jan 7 at 13:35
Storing SHA-256 64 byte string
Awarded Jan 7 at 10:20
Find the type of a variable
Awarded Jan 7 at 9:50
Changing password of an account through web3
Awarded Jan 7 at 9:35
ERC721 Error: invalid number value arg=“_tokenId”, coderType=“uint256”, value=
Awarded Jan 7 at 6:10
Remix IDE : Passing array of address and array of uint
Awarded Jan 6 at 15:45
How to use web3 in a mobile context (ionic)?
Awarded Jan 6 at 9:00
how to create multiple owners : Solidity
Awarded Jan 6 at 6:00
Ethereum web3 js contract functions not working but they work on the remix online
Awarded Jan 5 at 9:55
Fatal: Failed to write genesis block: unsupported fork ordering: eip150Block not enabled, but eip155Block enabled at 0 genesis block
Awarded Jan 5 at 9:05
How to extract token transfer data from Transaction? (Web3j)
Awarded Jan 4 at 17:20
account unlock with HTTP access is forbidden [duplicate]
Awarded Jan 4 at 5:00
How to use geth attach and port numbers?
Awarded Jan 4 at 0:05
return function value instead of transaction receipt with web3 [duplicate]
Awarded Jan 3 at 22:55
How to Pass the value in bytes32[] array
Awarded Jan 3 at 7:55
Type address is not implicitly convertible to expected type address payable [duplicate]
Awarded Jan 3 at 4:25
How to interact with a deployed smart contract in the real world?
Awarded Jan 2 at 11:00
What is the difference between web3.js and ethers.js?
Awarded Jan 2 at 10:55
Incorrect Usage. flag provided but not defined: -emitcheckpoints
Awarded Jan 2 at 10:35
Create new address in Ethereum using Nethereum
Awarded Jan 1 at 9:10
HttpProvider error in web3.js
Awarded Dec 31 '19 at 16:00
What is calldata?
Awarded Dec 29 '19 at 22:40
How do I define mapping in solidity where each value is array of Struct?
Awarded Dec 29 '19 at 6:50
Geth What does the eth.contract(abi).at function do?
Awarded Dec 27 '19 at 12:45
Create ethereum address from seed
Awarded Dec 27 '19 at 11:05
How does Ethereum regulate the time between blocks?
Awarded Dec 26 '19 at 20:20
Check if item exits in Solidity Mapping structure
Awarded Dec 26 '19 at 14:25
Is there a solidity string limit of 32 bytes?
Awarded Dec 26 '19 at 6:50
GETH ~ why do i get ERROR: no space left on device
Awarded Dec 25 '19 at 6:25
Error: No “from” address specified in neither the given options, nor the default options
Awarded Dec 24 '19 at 17:45
The network id specified in the truffle config (4447) does not match the one returned by the network (5777)
Awarded Dec 24 '19 at 15:15
Solidity TypeError: uint256 not implicitly convertible to uint256[] memory
Awarded Dec 24 '19 at 12:15
Store and retrieve data in an array in Solidity
Awarded Dec 24 '19 at 10:15
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