OFF TOPIC: I am new to Bitcoin… I am watching the price action from the sidelines.
I am in a graduate program in Software Engineering and have recreated the mining programs in Python and Ruby, as well as computing the Merkle Root, etc..
I have been randomly chosing blocks from Bitcoin to test my algo(s). I notice that my nonce and current block hash finder works upto a certain point. It seems that it works upto about block 400,000, circa 2015… but fails beyond this point. Did they tweak the mining algorithms around that time? Should there be another data point?
I have these data points: previous hash: merkle root: difficulty: version: time in unix: nonce: (this is what the program searches for and puts out the nonce and current block hash, if found)
As I mentioned it confirms and “mines” the blocks upto about block 400,000… but fails afterwards.
Some enlightenment is appreciated.
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