tnkmt

Not checking if the private key is inside the curve

1

For example, try to check this WIF private key: `5Km2kuu7vtFDPpxywn4u3NLu8iSdrqhxWT8tUKiNTjDB7yUFUg3`. I tried the "Bitaddress", "TP's Go Bitcoin Tests - Private keys" and "Bitcoin Key Compression Tool - Ian Coleman" with...

The "split wallet" feature is generating non-compressed addresses/keys

1

It would be better to be generated compressed keys/addresses.

https://github.com/tnkmt/brute.bip39/