User Mikko Ohtamaa

117

157

votes

13

answers

34k

views

Upgradeable smart contracts

Mar 23 at 15:40 user3885656 1

14

20

votes

2

answers

3k

views

Security review checklist for a smart contract

solidity contract-development security

Apr 27 at 10:58 Mikko Ohtamaa 10.4k

9

15

votes

5

answers

10k

views

web3.js with promisified API

web3js javascript nodejs

Oct 21 at 15:06 NealWalters 259

2

12

votes

2

answers

753

views

Secret ballot voting

contract-design voting

Jul 29 '18 at 12:03 Rinke Hendriksen 41

2

8

votes

2

answers

5k

views

Getting contract balance over JSON RPC

go-ethereum contract-development json-rpc

Feb 23 '17 at 22:23 Matthew Schmidt 6,552

1

8

votes

1

answer

369

views

Check if a contract implements specific ABI using JSON-RPC

go-ethereum contract-development json-rpc contract-invocation python

Jan 16 '17 at 2:24 Thomas Jay Rush 8,423

4

8

votes

1

answer

2k

views

Iterating over all public values of a mapping in web3

web3js contract-design mapping

Dec 2 '16 at 21:25 Community♦ 1

1

8

votes

1

answer

4k

views

Rationale behind 256-bit words in EVM

evm

Jul 23 '16 at 22:06 Fedor T. 126

1

7

votes

2

answers

4k

views

Getting Go-Ethereum current network id

go-ethereum web3js networkid

Aug 30 '18 at 9:35 Ivan Burlutskiy 143

2

7

votes

1

answer

313

views

Tracing back tripped require() to a source code line

solidity contract-debugging evm solc

Nov 27 '17 at 22:09 Alexey Barsuk 1,894

1

7

votes

1

answer

100

views

Standard contracts for assets

shares

Mar 18 '16 at 19:59 axic 2,389

6

votes

1

answer

310

views

Gnosis wallet app distribution

wallets multisignature gnosis

Nov 28 '17 at 8:08 Mikko Ohtamaa 10.4k

5

6

votes

1

answer

2k

views

delegatecall and function return values

solidity delegatecall

Aug 1 '17 at 17:07 Micah Zoltu 903

1

6

votes

1

answer

2k

views

Bitcoin price oracle

bitcoin oracles

Dec 23 '16 at 6:01 Thomas Bertani 2,394

6

votes

2

answers

1k

views

Solidity docstrings

solidity

Jul 20 '16 at 10:28 Community♦ 1

3

5

votes

2

answers

2k

views

Deriving Ethereum address from Bitcoin address

addresses private-key bitcoin secp256k1

Apr 7 at 20:56 Edmund Edgar 14.9k

5

votes

1

answer

132

views

Gasless transaction and easy approval integrated to an ERC-20 token

erc-20 gas layer-2 microtransactions

Mar 6 at 10:48 gomozor 51

1

5

votes

1

answer

65

views

Historical state in mainnet EVM

go-ethereum parity evm

Sep 28 '18 at 18:45 Motoma 281

5

votes

2

answers

1k

views

Including transactions fees when sending out ETH from a smart contract

solidity transactions contract-design gas fees

Jul 17 '16 at 9:59 Community♦ 1

5

votes

1

answer

166

views

Stepping through Solidity source code with deployed transaction from blockchain

solidity contract-debugging

Jul 10 '16 at 11:46 naddison 498

1

4

votes

1

answer

120

views

Alternatives for Truffle for running and writing tests

truffle testrpc testing typescript jest

Mar 6 at 19:33 Mikko Ohtamaa 10.4k

1

4

votes

1

answer

350

views

Verifying Bicoin signed message in Ethereum smart contract

bitcoin signature public-key ecrecover

Feb 9 '18 at 0:52 Ismael 20.6k

4

votes

2

answers

494

views

Cannot verify contracts with libraries on Etherscan

solidity etherscan

Jun 8 '17 at 23:52 Mikko Ohtamaa 10.4k

5

4

votes

2

answers

1k

views

ERC-20 tokens and freezing accounts

solidity contract-development erc-20

Jun 1 '17 at 1:24 Dave Appleton 276

4

votes

0

answers

218

views

Exploit mitigation in EVM JIT

evm

Jul 29 '16 at 16:11 Mikko Ohtamaa 10.4k

4

votes

1

answer

913

views

Transaction receipts, blocks and confirmations

go-ethereum transactions security json-rpc confirmations

Jul 22 '16 at 4:57 Community♦ 1

1

4

votes

1

answer

882

views

Symbolic decoding of a transaction for Solidity

solidity contract-debugging raw-transaction

Jul 16 '16 at 11:54 Thomas Jay Rush 8,423

1

4

votes

1

answer

517

views

Balance events on a hosted wallet

go-ethereum json-rpc

Jun 14 '16 at 23:15 Matthew Schmidt 6,552

2

4

votes

1

answer

596

views

Creating eth_newFilter topic listeners with Python

contract-development python

May 9 '16 at 7:31 Mikko Ohtamaa 10.4k

3

votes

1

answer

114

views

Connecting the wallet of a user to your dApp / web3.js project

web3js metamask wallets walletconnect

Apr 16 at 10:02 Mikko Ohtamaa 10.4k

Stack Exchange Network

current community

your communities

more stack exchange communities

Next badge

60 Questions

Upgradeable smart contracts

Security review checklist for a smart contract

web3.js with promisified API

Secret ballot voting

Getting contract balance over JSON RPC

Check if a contract implements specific ABI using JSON-RPC

Iterating over all public values of a mapping in web3

Rationale behind 256-bit words in EVM

Getting Go-Ethereum current network id

Tracing back tripped require() to a source code line

Standard contracts for assets

Gnosis wallet app distribution

delegatecall and function return values

Bitcoin price oracle

Solidity docstrings

Deriving Ethereum address from Bitcoin address

Gasless transaction and easy approval integrated to an ERC-20 token

Historical state in mainnet EVM

Including transactions fees when sending out ETH from a smart contract

Stepping through Solidity source code with deployed transaction from blockchain

Alternatives for Truffle for running and writing tests

Verifying Bicoin signed message in Ethereum smart contract

Cannot verify contracts with libraries on Etherscan

ERC-20 tokens and freezing accounts

Exploit mitigation in EVM JIT

Transaction receipts, blocks and confirmations

Symbolic decoding of a transaction for Solidity

Balance events on a hosted wallet

Creating eth_newFilter topic listeners with Python

Connecting the wallet of a user to your dApp / web3.js project