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2 votes
2 answers
1k views

Generating cache from block_number and seed using Python

I'm trying to run Ethash algorithm from the Python-code provided over here: https://eth.wiki/concepts/ethash/ethash, and have some troubles comparing the produced cache-file with the actual cache-file ...
dugdmitry's user avatar
2 votes
2 answers
1k views

Verifying ethash output Ethereum block hash

On the Ethash wiki, it mentions that a 16MB verification cache can be used to verify block hashes without generating the full DAG, but there are no further details on how this is done. What's the ...
k26dr's user avatar
  • 861
0 votes
1 answer
750 views

geth mining on 32bits host (raspberry pi) memory error

My objective is to create a private testnet, and mining it on a 32bits hardware (RPi3). The memory error I keep getting during DAG generation, if Im not mistaken, is excepted if I am running it on a ...
Consy's user avatar
  • 592
4 votes
1 answer
2k views

Why there are two full-R23 files (DAG files) in .ethash folder?

I am using Ubuntu 14.04 and running go-ethereum in it. In the ~/.ethash/ folder, I see that there are two DAG files created when mining begins. The first one is created immediately after mining starts ...
spharish's user avatar
  • 297
6 votes
1 answer
5k views

How is DAG related to Merkle Tree?

After reading the Ethash wiki, I kind of get DAG is something that every node can identically generate to verify the work. However I don't get how the DAG is related to Merkle Tree. Can anyone explain ...
vutran's user avatar
  • 802