hello i have 10000 crypto wallet all of them have defrent 12 backup words how i open all of them in same time from program or something to insert txt file and it open .. its hard to keep open one eveytime
Depends what do you want to do. I assume that if you want only check the balance is would be simpler to convert seeds into addresses (depending how many addresses you want to generate and for which derivation path) and import them into single watch-only wallet.