This is a demo code for mass key management of CKB addresses.

$ pip3 install bip_utils
$ python3 manager.py

1. Use your own mnemonic, keep it private and safe
2. Assign your every user with one unique uid (uint32)
3. You may now have the blake160_args, address, and sk for every user according to this demo code
4. Use the sk to sign messages and send transactions