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Tarik EN-NAKDI
  • Member for 4 years, 9 months
  • Last seen more than 1 year ago
139 votes
1 answer
52k views

What is Swarm and what is it used for?

  • 78.8k
82 votes
9 answers
87k views

How can I check if an Ethereum address is valid?

  • 2,570
18 votes
2 answers
32k views

Getting ABI data for ERC20 tokens programatically with Web3 [duplicate]

14 votes
8 answers
3k views

Would it be profitable enough to do a Master's degree in blockchain technologies (focused on ethereum above all)?

  • 2,765
10 votes
4 answers
7k views

How to use web3.js@1.0.0-beta34 with TypeScript?

9 votes
1 answer
1k views

In web3.js, how do I accurately find total gas cost to deploy a new contract (including constructor)?

5 votes
2 answers
2k views

web3.eth.subscribe not working?

  • 421
5 votes
2 answers
2k views

How to pop from (decrease the length of) a memory array in Solidity

3 votes
1 answer
366 views

Whisper: How could we print received messages that are actually stored in the memory when geth was closed or shh.newMessageFilter() is not activated?

  • 7,729
3 votes
2 answers
793 views

Account created using web3 is not showing in geth console

  • 397
2 votes
0 answers
161 views

geth 1.8.8 miner hashrate 0 after join network where major miners ran on older version

  • 247
2 votes
0 answers
188 views

What is a common pattern to work with a large number of complex Things: make a Thing a contract, or a struct in a mapping?

  • 207
2 votes
1 answer
54 views

If Cryptokitties could take so much computing power in Ethereum network, how can the network support dapps with scale?

1 vote
2 answers
368 views

How to use a date time from an API to prevent contract interactions if the date is a string?

1 vote
2 answers
687 views

How to declare a fix bytes type more than bytes32?

  • 961
1 vote
1 answer
98 views

Quorum Enterprise Ethereum - PrivateFor Parameter Passed When Instantiating Contract and/or During Calls to Contract?

  • 1,875
0 votes
0 answers
93 views

How can we define the communication line with the Ethereum Blockchain?