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FrenchieiSverige
  • Member for 5 years, 11 months
  • Last seen more than 1 year ago
219 votes
20 answers
89k views

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

  • 8,301
180 votes
2 answers
50k views

What is the difference between a transaction and a call?

  • 7,226
160 votes
4 answers
41k views

Are there well-solved and simple storage patterns for Solidity?

  • 52.4k
156 votes
9 answers
96k views

What is an ABI and why is it needed to interact with contracts?

142 votes
6 answers
112k views

How are ethereum addresses generated?

  • 2,104
118 votes
6 answers
58k views

How is the address of an Ethereum contract computed?

  • 79.7k
114 votes
2 answers
83k views

Which cryptographic hash function does Ethereum use?

  • 21.1k
90 votes
2 answers
35k views

What's the difference between 'msg.sender' and 'tx.origin'?

  • 6,103
72 votes
5 answers
51k views

What's the difference between proof of stake and proof of work?

  • 21.1k
72 votes
13 answers
51k views

How to get contract internal transactions

  • 2,533
69 votes
7 answers
94k views

How do you get a json file (ABI) from a known contract address?

68 votes
1 answer
12k views

Why is the average block time 17 seconds?

  • 31.6k
65 votes
6 answers
101k views

What number of confirmations is considered secure in Ethereum?

  • 79.7k
64 votes
4 answers
48k views

What is the cost to store 1KB, 10KB, 100KB worth of data into the ethereum blockchain?

54 votes
3 answers
37k views

What is an Event?

  • 7,974
53 votes
2 answers
33k views

Is there a limit for transaction size?

47 votes
2 answers
16k views

Is there a (theoretical) limit for amount of data that a contract can store?

  • 8,214
36 votes
2 answers
17k views

How to encrypt a message with the public-key of an Ethereum address

  • 1,117
32 votes
8 answers
76k views

How to get transactions by account using web3 js?

28 votes
3 answers
4k views

What is the exact "longest chain" rule implemented in the Ethereum "Homestead" protocol?

  • 21.1k
28 votes
6 answers
11k views

What public test-networks and faucets exist?

  • 7,226
27 votes
2 answers
14k views

How many transactions can the network handle?

  • 31.6k
25 votes
4 answers
5k views

Why does a Solidity throw consume all gas?

25 votes
1 answer
4k views

Child contract vs struct

23 votes
2 answers
4k views

How does Ethereum deal with blockchain scalability?

21 votes
7 answers
17k views

geth import vs copying chaindata

21 votes
6 answers
31k views

How to find contract's address?

18 votes
7 answers
21k views

How to call "geth attach" on --testnet better than writing full path?

16 votes
2 answers
2k views

How do I retrieve the Voted events from TheDAO?

16 votes
2 answers
8k views

How does the Ethereum Homestead difficulty adjustment algorithm work?