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dkb
  • Member for 4 years, 6 months
  • Last seen more than a month ago
9 votes
3 answers
9k views

Show gas used in solidity

4 votes
1 answer
2k views

Difference between /* and /**? (Commenting contracts)

4 votes
1 answer
378 views

Why did the batchOverflow hack in the "BEC" contract work?

3 votes
1 answer
5k views

Call a payable function and pay ether with MetaMask

3 votes
2 answers
1k views

Ganache (UI) save blockchain

2 votes
2 answers
1k views

Struct (array) or mappings?

2 votes
3 answers
425 views

Geth/Remix does not mine correctly and is slowly

2 votes
2 answers
1k views

What's the best way to return top X values in a mapping?

2 votes
2 answers
993 views

web3 deprecated - web3/ethjs etc. difference

1 vote
2 answers
258 views

Multiple constructor functions - Will they be executed once?

1 vote
1 answer
40 views

Shop platform, load 10 articles every second

1 vote
1 answer
312 views

Can this function be executed multiple times?

1 vote
0 answers
51 views

Can someone get the source code if it's not "verified"? [duplicate]

1 vote
0 answers
63 views

Error: VM Exception while processing transaction: out of gas - How to save gas?

1 vote
0 answers
168 views

"Dropped" transaction - is it rejected or will it come back?

1 vote
1 answer
34 views

Best ways to get only "active" in arrays - get group members

1 vote
3 answers
2k views

Test array values if key/value exists - Does not work

1 vote
3 answers
839 views

How to prevent frontrunning: someone running a transaction before me?

1 vote
0 answers
204 views

MetaMask returns different error - not longer working

1 vote
1 answer
37 views

Return fees - is it save?

1 vote
1 answer
112 views

Is timestamp manipulation still possible? And if yes, can users spot that and did that happen?

0 votes
1 answer
31 views

Store addresses in bytes variable

0 votes
0 answers
240 views

MetaMask sometimes infinite loading

0 votes
1 answer
17 views

Get "i" in asynchrounous request [closed]

0 votes
0 answers
98 views

Remix and ganache-cli | Contract override

0 votes
2 answers
282 views

Dynamic Arrays for each address

0 votes
1 answer
125 views

Testrpc withdraw function does not work

0 votes
1 answer
386 views

Do I need a Linux VPS to start interacting with smart contracts?

0 votes
0 answers
276 views

ERC20 token with "Gas required exceeds limit: 3000000"

0 votes
1 answer
40 views

How does this struct work