Blockchain Exceptions and Changes

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For developers creating apps and websites here is a list of Blockchain Exceptions and changes which will make the process much less painful.

Blockchain Exceptions and Changes

All heights but 0 is last height

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BTC PoW V1 nPowTargetTimespan = 60 60 nPowTargetSpacing = 2 60 nMinerConfirmationWindow = 2016; nActualTimespan = nPowTargetTimespan / nPowTargetSpacing nActualTimespan = nActualTimespan - 1 retarget = 4 99990

nActualTimespan = nActualTimespan * 24 101632

Change to EMA PoW alpha = 0.09 Last Diff 10 perBlockTargetTimespan 4 101910

nActualTimespan = nActualTimespan / 3 103792

Last Diff * 2 104291

set difficulty to 0x1b0c7898 if it's higher only and over 0 110323

alpha = 0.06 Calc uses 1.5 and / 2 perBlockTargetTimespan 2 137161

Bad Block set difficulty to 0x1b034c51 181202

Change to BTC PoW V2 retargetBlockCountInterval = 2160 set difficulty to 0x1b03bf8b if it's higher only 183001

remove difficulty hardcode 192238

retargetBlockCountInterval = 540 retarget = 1.25 220001

set difficulty to 0x1b0c7898 if it's higher only 833000

Change to Dark Gravity Wall PoW nMinerConfirmationWindow = 30 retarget = 3