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J-B
  • Member for 8 years, 5 months
  • Last seen more than 2 years ago
233 votes
20 answers
101k views

How can I securely generate a random number in my smart contract?

70 votes
7 answers
38k views

How can you decompile a smart contract?

64 votes
7 answers
17k views

How can I verify that a contract on the blockchain matches the source code?

50 votes
7 answers
34k views

How can I debug a smart contract?

43 votes
1 answer
11k views

Where is the private key for a contract stored?

42 votes
3 answers
34k views

Why is ether divisible to 18 decimal places?

41 votes
5 answers
38k views

How can I run go-ethereum as daemon process on Ubuntu?

40 votes
3 answers
12k views

Can a contract safely rely on block.timestamp?

33 votes
3 answers
22k views

Where is the state data stored?

30 votes
4 answers
11k views

Does every node execute the contract code for each transaction?

28 votes
2 answers
22k views

How do I know how much gas to use when calling a contract?

28 votes
3 answers
12k views

How many nodes are there on the Ethereum network?

20 votes
2 answers
16k views

How can I verify a signature with the web3 javascript API?

16 votes
1 answer
2k views

How should I handle blockchain forks in my DApp?

14 votes
0 answers
806 views

How can I update contracts after they are created? [duplicate]

14 votes
4 answers
8k views

What are the experimental smart contract languages?

13 votes
3 answers
1k views

How can we write a contract that relies on hidden information?

13 votes
1 answer
1k views

Parity account addresses all having prefix 0x00

12 votes
3 answers
4k views

Is LLL still used as language?

10 votes
4 answers
3k views

How can I configure Mist to use a non-default IPC path?

8 votes
1 answer
2k views

What are the files in my go-ethereum configuration directory?

8 votes
3 answers
829 views

Method overloading conflicting with transaction object

7 votes
5 answers
2k views

Can I use Ethereum on my mobile phone?

6 votes
1 answer
1k views

Is Mutan still used as language?

5 votes
4 answers
1k views

How to design a legal smart contract?

5 votes
2 answers
966 views

Does `throw` refund the ether value?

4 votes
1 answer
413 views

Can I import my wallet into more than one computer?