A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.
Ethereum

Help Center > Badges > Self-Learner

 Self-Learner
Answer your own question with score of 3 or more.
Awarded 307 times.
Solidity Exceeds block gas limit during Mocha Tests with Ganache-cli
Awarded 15 hours ago
geth account creation Failed to enumerate USB devices
Awarded 22 hours ago
How to get ethereum gasPrice from a transaction hash?
Awarded Jan 14 at 1:55
Geth miner has 0 hashrate on private chain even with coinbase addr set and miner.start() called
Awarded Jan 11 at 15:50
How to make smart contract call using INFURA and NodeJS web3js
Awarded Dec 22 '19 at 14:00
Fatal: Failed to write genesis block: unsupported fork ordering: eip150Block not enabled, but eip155Block enabled at 0 genesis block
Awarded Dec 17 '19 at 21:50
Is there way to get all of a contract's events as an array instead of each one separately?
Awarded Nov 24 '19 at 10:20
Storing private data on the ethereum blockchain
Awarded Nov 22 '19 at 21:00
How to connect web3.js 1.0.x to Metamsk
Awarded Nov 15 '19 at 19:10
How to get contract instance address for Web3 1.0 contract API?
Awarded Oct 6 '19 at 3:20
Contract is not defined in truffle tests
Awarded Oct 2 '19 at 22:15
Web3j: “Intrinsic gas too low” error when deploying contract in Ethereum from Java
Awarded Sep 16 '19 at 22:45
How do I get the raw private key from a WalletFile object?
Awarded Sep 11 '19 at 16:25
Can't join nodes/peers to private network
Awarded Sep 9 '19 at 18:40
Does externally owned account have two parameters (“codehash” and “storage root”)?
Awarded Sep 5 '19 at 20:00
Why are local variables allocated to storage instead of memory?
Awarded Sep 2 '19 at 17:40
Invalid sender error when creating contract through web3
Awarded Aug 31 '19 at 4:10
MetaMask blocks Web3 requests
Awarded Aug 23 '19 at 5:50
Understanding ganache timestamps
Awarded Aug 11 '19 at 23:40
Invalid JSON RPC response error for sendTransaction on Infura + Ropsten node + Truffle console
Awarded Aug 5 '19 at 13:25
How to run ethkey under Parity
Awarded Aug 1 '19 at 20:45
Truffle migrate to rinkeby fails with insufficient gas price
Awarded Jul 25 '19 at 7:55
Address checksum Solidity implementation
Awarded Jul 17 '19 at 20:25
Invalid number of parameters for “ ”. Got 0 expected 2!
Awarded Jul 5 '19 at 7:50
Pass byte array as function argument
Awarded Jul 3 '19 at 1:35
Truffle v5 runs out of gas but Truffle v4 deploys the contract
Awarded Jun 30 '19 at 13:50
How do I do the equivalent of Solidity's bytes32(a_signed_integer) in JavaScript?
Awarded Jun 25 '19 at 18:55
How to cast address to address payable in solidity 0.5.0
Awarded Jun 11 '19 at 6:30
Solidity 0.5.x - make address array payable
Awarded Jun 2 '19 at 15:10
Difference between Account Extended Private Key and BIP32 Extended Private Key
Awarded May 21 '19 at 4:30
RangeError: private key length is invalid (In New ETH Transaction pragmatically)
Awarded May 19 '19 at 17:50
How to compute SHA-3 of an array of numbers in Javascript?
Awarded Apr 24 '19 at 12:00
Why I cannot loop through array backwards in Solidity?
Awarded Apr 19 '19 at 13:40
Ethereum HD address generator
Awarded Apr 12 '19 at 12:00
Getting hold of web3 from inside a Truffle JS test
Awarded Apr 3 '19 at 10:30
transferFrom not working
Awarded Mar 28 '19 at 2:40
UnimplementedFeatureError: Only byte arrays can be encoded from calldata currently
Awarded Mar 18 '19 at 16:35
Is there ERC20 token test library?
Awarded Mar 17 '19 at 20:05
Is it possible to get a function's original returndata if it is wrapped in an interface that doesn't return anything?
Awarded Mar 11 '19 at 18:40
What is the time zone of the Ethereum block chain?
Awarded Mar 9 '19 at 15:10
block-header hash verification
Awarded Feb 26 '19 at 14:45
How to decode input data with ABI using java?
Awarded Feb 24 '19 at 1:00
Smart Contract Error: Returned values aren't valid, did it run Out of Gas?
Awarded Feb 22 '19 at 20:30
How to properly set nonce in a web3 contract invocation?
Awarded Feb 11 '19 at 12:20
possible reason for insufficient funds for gas * price + value
Awarded Feb 9 '19 at 4:15
How to compare msg.data (calldata) data type to an integer data type uint256?
Awarded Feb 7 '19 at 17:50
Web3 events not working
Awarded Feb 7 '19 at 9:55
ethminer not recognizing multiple GPUs (AMD Radeon / Ubuntu)
Awarded Feb 6 '19 at 13:45
How can I debug a truffle JS unit test with vscode?
Awarded Feb 5 '19 at 16:40
Atom linther - pragma stuck at 0.4.4
Awarded Jan 24 '19 at 10:00
Web3.js + ganache local development: Response to preflight request doesn't pass access control check, CORS error
Awarded Jan 18 '19 at 14:25
Does OpenZeppelin make security audits?
Awarded Jan 16 '19 at 15:00
Getting “TypeError: Name has to refer to a struct, enum or contract.” when importing contracts
Awarded Jan 13 '19 at 0:30
What's the meaning of “similar match” in source verification?
Awarded Dec 28 '18 at 16:55
Truffle Box at URL https://github.com/truffle-box/bare-box.git doesn't exist
Awarded Dec 24 '18 at 13:55
Truffle sendTransaction sending eth to contract address returns revert
Awarded Dec 21 '18 at 16:55
How to receive revert() reason for past transactions?
Awarded Dec 19 '18 at 6:10
What's the difference between 'address' and 'address payable'?
Awarded Dec 15 '18 at 17:45
How could I send transactions continuously by Web3j generated wrapper
Awarded Dec 12 '18 at 20:05
What triggers the Ethereum Contracts to execute ? Do miners always execute it regardless the transactions?
Awarded Dec 8 '18 at 16:35
1 2 3 4 5 6