I'm looking at creating a deterministic wallet for some of the less popular altcoins. Bitcoin has a magic byte of '0488b21e' and litecoin '019da462'. How are these determined or calculated? Also how would I generate these values for other altcoins?
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Note that the 'version byte' is different from the private key prefix. en.bitcoin.it/wiki/List_of_address_prefixes– Nick ODellJan 9, 2015 at 21:55
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Late response I realize, but see here: bitcoin.stackexchange.com/questions/28380/…– Christopher GurneeJul 13, 2017 at 21:04
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1 Answer
0x0488B21E is the extended public key prefix / version bytes (as described in BIP32) and stands for xpub. In the same manner, 0x019DA462 stands for Ltub.
For bitcoin and litecoin these codes are:
Network Extended private Version bytes Extended public Version bytes
key prefix key prefix
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Bitcoin main xprv 0x0488ADE4 xpub 0x0488B21E
Bitcoin testnet tprv 0x04358394 tpub 0x043587CF
Litecoin main Ltpv 0x019D9CFE Ltub 0x019DA462
Litecoin testnet ttpv 0x0436EF7D ttub 0x0436F6E1
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How do you go about calculating these values? For example for auroracoin the prefix might be Arub. Jan 10, 2015 at 21:08