Hi,
Would like just to know what the Block Hash Algorithm does Astar (ASTR) use? i.e. The algorithm used to generate the hash for its blocks particularly the Genesis Block.
Maybe this can help:
Astar is built with the Substrate framework and has the same hashing algorithm as Polkadot.
Hi!
Thank you very much! This is very helpful information. 
May I ask if there’s any chance that there is a documentation which points to Astar? Or we can only refer to Polkadot?
We use the same framework, so you can refer to Polkadot in this case.
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got it! that is noted thanks!