Questions tagged [cryptonight]
CryptoNight is a proof-of-work algorithm that mixes graphics processing unit (GPU) and central processing unit (CPU) mining to create a system resistant to both application-specific integrated circuits (ASICs) and fast memory-on-chip devices
11
questions
20
votes
2answers
32k views
Where can I find a description of the CryptoNight hash algorithm?
Where can I find a description of the CryptoNight hash algorithm?
Both a thorough and ELI5 description of the hash algorithm would be appreciated
1
vote
1answer
433 views
I'm trying to create a Python miner, can I get some guidance please?
I have been wondering how to make a Python Monero miner. I know about py-cryptonight, but does anyone know anything about how to actually code with it? I understand that cn_slow_hash is for mining, ...
15
votes
3answers
42k views
Is it better to mine with a CPU or GPU
"The proof-of-work algorithm, CryptoNight, is AES-intensive and
"memory heavy", which significantly reduces the advantage of GPU over
CPU."
https://en.wikipedia.org/wiki/Monero_(cryptocurrency)
...
19
votes
6answers
34k views
Is Monero amenable to ASIC mining?
Is Monero ASIC resistant? If not, are there already people out there running on ASICs?
4
votes
1answer
158 views
How is Keccak calculated in Monero?
I am reading the monero's implementation of Keccak (used as first part of slow_hash) in src/crypto/keccak.c
I have found that it is a Keccak-256 (with b=1600, c=512, r=1088) and "output" of 1600 bits ...
11
votes
1answer
296 views
Which reasons were discussed for potentially changing the proof-of-work algorithm?
Which reasons were discussed for potentially changing the proof-of-work algorithm to something else in the future (Cuckoo cycle in particular)?
3
votes
1answer
373 views
Keccak vs Keccak-f permutation in cns008
Keccak is mentioned in cns008 (the cryptonight hash description) in two ways: First in section 3 (Scratchpad Initialization) as Keccak, and another time in section 5 (Result Calculation) as Keccak-f (...
5
votes
1answer
353 views
Cryptonote SHA3 bigger than 64byte? (Scratchpad Initialization)
The cryptonote whitepaper says
First, the input is hashed using Keccak [KECCAK] with parameters b =
1600 and c = 512. [..]
That's nothing else as hashing the input with SHA3. The size of a ...
4
votes
2answers
855 views
Where can I find some test inputs and outputs for the CryptoNight (Monero PoW) hash algorithm?
I'm interested in cobbling together my own implementation, but in order to validate it, I need to find some valid inputs/outputs (4 minimum, i.e. one that goes through the groestl path, one that goes ...
4
votes
1answer
697 views
Is Monero susceptible to botnets?
When reading up on CryptoNote, something struck me on the wikipedia page.
From wikipedia (emphasis mine)
CryptoNight is a proof-of-work algorithm that mixes graphics
processing unit (GPU) and ...
2
votes
1answer
61 views
Can't seem to reconstruct hashing blob for old block
I'm trying to re-construct the "hashing blob" for an old block and calculate the correct hash to validate some code, but I can't seem to get the correct results. I've confirmed (via unit tests against ...
