I need to apply an upgrade to my Bitcoin Core client From V0.7 2-beta to latest.
I've got some advice that I need to make that upgrade a 2 step process (i) V0.7 2-beta' TO Bitcoin Core 0.14.2 (ii) Bitcoin Core 0.14.2 to Bitcoin Core 0.15.X
My questions is regarding my ‘wallet.dat’ file in this 2 step process.
Does the wallet.Dat file need to be put back in AFTER phase (i) and resynched ? OR Can I put the wallet.Dat file back in for the first time only after phase (ii) and synch ?