1. how to upgrade 1.4.x wallet to 2.0.2 wallet. also, what if the people already synced with 2.0.0 / 2.0.1 blockchain, do you need to erase the old blockchain?. which files should be backed up and which files should be erased.
need this guide too. I have exported address and keys from an old wallet, but when I try to use intense-wallet-cli --generate-from-keys command I get Error: failed to parse spend key secret key error when provide 64 char key fixed with 2.01 GUI version