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noooooooob
  • Member for 4 years, 1 month
  • Last seen more than a month ago
  • Singapore
248 votes
8 answers
77k views

`external` vs `public` best practices

215 votes
20 answers
86k views

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

  • 8,191
179 votes
2 answers
48k views

What is the difference between a transaction and a call?

  • 7,216
153 votes
9 answers
93k views

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

143 votes
6 answers
109k views

How are ethereum addresses generated?

  • 2,114
115 votes
6 answers
54k views

How is the address of an Ethereum contract computed?

  • 78.3k
111 votes
2 answers
81k views

Which cryptographic hash function does Ethereum use?

104 votes
7 answers
83k views

Ethereum block architecture

  • 5,010
96 votes
5 answers
41k views

Difference between CALL, CALLCODE and DELEGATECALL

  • 1,873
96 votes
5 answers
39k views

Difference between require and assert and the difference between revert and throw

  • 1,481
94 votes
3 answers
35k views

What is an uncle/ommer block?

91 votes
2 answers
48k views

What does the indexed keyword do?

  • 1,055
76 votes
2 answers
23k views

ELI5 How does a Merkle-Patricia-trie tree work?

68 votes
4 answers
57k views

<address>.send vs <address>.transfer best practice usage?

  • 905
61 votes
7 answers
30k views

How can you decompile a smart contract?

  • 8,191
58 votes
4 answers
187k views

For pool mining, what exactly is a share?

53 votes
2 answers
32k views

Is there a limit for transaction size?

47 votes
2 answers
32k views

What is nonce in Ethereum? How does it prevent double spending?

  • 757
47 votes
6 answers
35k views

How do I parse the transaction receipt log with web3.js?

  • 4,181
44 votes
4 answers
85k views

error: replacement transaction underpriced

44 votes
3 answers
78k views

How to delete or reset the blockchain in geth? (OSX)

  • 703
43 votes
2 answers
5k views

What's a precompiled contract and how are they different from native opcodes?

  • 78.3k
41 votes
2 answers
8k views

What are the steps to compile and deploy a library in Solidity?

  • 3,420
39 votes
1 answer
27k views

What does v, r, s in eth_getTransactionByHash mean?

  • 923
39 votes
4 answers
23k views

What happens when a transaction nonce is too high?

39 votes
3 answers
7k views

Concurrency patterns for account nonce

  • 2,207
38 votes
3 answers
13k views

Difference between Memory and Storage?

  • 1,045
36 votes
3 answers
24k views

ERC20 vs ERC223. List of differences

  • 4,157
34 votes
1 answer
34k views

How does the Keccak256 hash function work?

  • 7,874
33 votes
3 answers
30k views

How to explore all transactions for a given account?