Ethereum

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Awarded 4402 times.
How to show the time when the blockchain contract called? [duplicate]
Awarded Apr 21 at 12:00
eth.getCode() always returns “0x”
Awarded Apr 21 at 9:45
Is it possible to find a specific statistic for each token?
Awarded Apr 20 at 15:25
Accessing one smart contract contained in another smart contract from javascript
Awarded Apr 19 at 12:45
Sending private key to server side
Awarded Apr 17 at 8:45
Create multiple tokens and manage multiple wallets from the platform
Awarded Apr 17 at 6:40
web3.isConnected returns False web3.py
Awarded Apr 16 at 19:00
How to send ERC20 Token?
Awarded Apr 16 at 1:55
Where is the contract bytecode stored when a contract creates a contract?
Awarded Apr 15 at 21:25
Rewriting msg.sender.call.value(amount)() into one under version 0.5.x
Awarded Apr 15 at 14:40
Invalid Opcode opcode error
Awarded Apr 15 at 9:20
Does increasing the size of array guarantees that new elements are initialized to default value?
Awarded Apr 15 at 4:55
Question regarding Testrpc evm_increaseTime and oraclise
Awarded Apr 15 at 4:50
This declaration shadows an existing declaration
Awarded Apr 14 at 19:15
What is the purpose of Görli Testnet?
Awarded Apr 14 at 10:45
How to prevent selfdestruct from another contract
Awarded Apr 13 at 17:55
How to assign value to function(transfer) 's parameter
Awarded Apr 13 at 12:55
How much does it cost to develop and run dApp on Ethereum or Hyperledger fabric?
Awarded Apr 10 at 8:35
How is the Ethereum Classic gas limit enforced?
Awarded Apr 9 at 14:20
How to understand from web3py if I need a transaction or a call
Awarded Apr 9 at 9:40
variable declared as uint but accepting negative values instead of throwing errors
Awarded Apr 9 at 5:55
Simple contract throws for no apparent reason
Awarded Apr 8 at 19:05
Truffle and Remix compiles differently
Awarded Apr 8 at 16:50
Using address.call.value to send ether from contract to contract in 0.5.0 and above
Awarded Apr 8 at 12:50
Are the terms consensus mechanism and consensus algorithm the same?
Awarded Apr 8 at 7:05
When is a new block created?
Awarded Apr 7 at 17:05
Unable to make a transaction with Data using Java api ethSendRawTransaction
Awarded Apr 7 at 11:50
TypeError: Type contract testAdoption is not implicitly convertible to expected type address
Awarded Apr 7 at 11:50
How truffle share (is it?) the addresses of the previously deployed contracts between migrations files?
Awarded Apr 7 at 7:30
Why isn't this a vulnerability in openzeppelin's ERC-20 implementation (no allowance check)
Awarded Apr 7 at 1:30
How do smart contracts handle race conditions? [duplicate]
Awarded Apr 6 at 4:35
Do modifiers work in interfaces
Awarded Apr 5 at 15:45
How do I list the running nodes with geth?
Awarded Apr 5 at 1:50
Make a struct member optional when initializing struct
Awarded Apr 4 at 17:05
Mapping with two kind of key
Awarded Apr 4 at 14:10
Use Ledger Wallet as etherbase for mining on private network
Awarded Apr 4 at 8:40
How should one approach the signing of ERC20 token transactions with an offline device?
Awarded Apr 3 at 19:35
Solidity how to check if user is already used another contract?
Awarded Apr 3 at 16:30
Convert 64 byte public key to 20 byte address in Solidity
Awarded Apr 3 at 14:30
How do I send ether from user address to smart contract address using a function/method (without using msg.value)?
Awarded Apr 3 at 12:20
How to deploy a contract using web3@1.0.0-beta.51 and solc@0.5.7
Awarded Apr 3 at 11:40
Token based voting approach [closed]
Awarded Apr 3 at 8:55
Truffle compile fails: could not find file from any sources
Awarded Apr 3 at 7:50
is there any reason that use uint256?
Awarded Apr 3 at 7:20
How to send tokens to a address with a specific contract? [closed]
Awarded Apr 1 at 17:20
forward revert message from low level solidity call
Awarded Apr 1 at 14:55
Is the burnFrom function in erc20 token contract unsafe?
Awarded Apr 1 at 10:55
how can a signature for a document on a blockchain be revoked?
Awarded Mar 30 at 10:55
using web3 1.0 for approving signed transaction before appending to the blockchain
Awarded Mar 30 at 9:00
Solidity! Invalid implicit conversion from string memory to bytes memory requested
Awarded Mar 30 at 6:10
Costs/efficiency of locating stored data on Ethereum
Awarded Mar 29 at 15:40
Blockchain Dapp
Awarded Mar 29 at 13:45
Solc: Build from source code failed. Error: ‘mod’ is not a member of ‘z3’
Awarded Mar 29 at 7:15
EIP155. How chainId works?
Awarded Mar 29 at 3:45
Unable to deploy contract from inside another contract (works on Remix but returns revert on truffle)
Awarded Mar 28 at 20:10
Metamask address not detected on remix-ide
Awarded Mar 28 at 14:55
msg.sender 'spoofing' when function is public or external
Awarded Mar 28 at 13:00
retrieve state from leveldb
Awarded Mar 28 at 1:25
How to manage big Loops in Solidity?
Awarded Mar 27 at 19:40
Error: types/values length mismatchProblem when calling payable contract function with web3
Awarded Mar 27 at 18:10
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