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Board Project Development
Re: VanBitCracken - a program to use for 32 BTC challenge (supports RTX 30xx cards)
by
WanderingPhilospher
on 29/08/2021, 16:56:40 UTC
Btw any idea why program is not working when you try to search for both compressed and uncompressed addresses? Getting error when I try and program stops.
Can you show what commands you are using when receiving this error? Your batch file command or cmd line?

Quote
Tnx, now I understand. Had no idea your -r feature does that, will use it from now on, that is exactly what I wanted.
The Spread version does not do this, it is the Random version that does that.

I was using -b command. Ok will try VBCRandom verson later today and let you know. Can you explain more how exactly it creates random points and how many of them does it creates. If my gpu runs lets say at 100mk/s, and I use -r 100, will it then run at 100mk/s and evey single key would be random from those 100m keys?
I want it to run at 100mk/s for example and that every key is created randomly through whole keyspace I defined with --keyspace. Lets say I want it to search through --keyspace 1000000000000:FFFFFFFFFFFFF and that it runs through that whole keyspace completely randomly, every single point in that keyspace is generated randomly.
Sorry idk how to explain this better.
REread the above or the github page. The keyspace is not really needed in the random version.

(-topr stands for toprange and -subr stands for subrange)

If you wanted to generate random keys in the 8000000000000:FFFFFFFFFFFFF range (52 bit range) you would use the flags:
-topr 8000000000000 and -subr 51

Using subr of 51 (51 bits) will add 0 to 7FFFFFFFFFFFF TO the topr of 8000000000000. So the lowest point created will be in the 8000000000000 range and the highest point that can be created is FFFFFFFFFFFFF (topr 8000000000000 + subr 7FFFFFFFFFFFF)

If you wanted to just stay in the 8000000000000 range, you would use -topr 8000000000000 and -subr 48.

The random feature is generated via built in Rand function.
How many random points created each rekey depends on the grid size you use. The program currently has x*8,512, meaning if your GPUs grid size is 40x100 then by default, the final grid size would be 320x512 (40*8 = 320 for the x grid (times) the default 512 for the y grid) = 320x512. So in this case, each rekey will generate 320x512 = 163,840 random points. After points are generated they will start from that point and move sequentially until a rekey is made. So if your GPU gets 100 MK/s and you set the -r to 200, -r 200, then you would generate new random points roughly every 2 seconds.