So i can use the "old" 1.2.5 Wallet with the old wallet.dat anyway? When i use the "old" wallest.dat with the nes 1.2.5.1 im with the old BLK on the new chain or in the future a swap is possible?
1.2.5 is current version. 1.2.5.1 adds burning functions (for the swap in future)