Ethereum
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Jung Chun

Backend & Smart Contract Developer. Improving skills on Node.js, javascript, and solidity.

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  • Seoul, 대한민국
  • ouoabcde
  • Member for 2 years, 5 months
  • 4 profile views
  • Last seen Apr 21 at 16:18

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Top posts (13)

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3 I want to use Ledger Nano S to deploy the contract, but not working Jan 7 '19
2 truffle migrates the contract with a weird account which is not from my mnemonic Nov 13 '19
2 Could I update Geth without stopping running Geth? And how could I update Geth without removing data? Mar 5 '19
1 How could I convert uint type to bytes type in solidity? Dec 24 '19
1 Could I update Geth without stopping running Geth? And how could I update Geth without removing data? Mar 5 '19
1 Is there a way to calculate gas usage of external function call? Dec 19 '18
1 How msg.sender changes through relaying function calls? Dec 6 '18
0 Trying to get array size but it reverts Nov 12 '19
0 Is there a way to set specific account when using truffle console rinkeby? Dec 21 '18
0 I think Metamask gas fee showing has an error. Please have a look! Jan 23 '19
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