8rack seed generator explained
Find it at https://bip39tool.com (click "8rack" at the footer)
or
https://allesvoorbitcoin.be/toolsguides/8rack
This system uses a 96 deck of cards (12 ranks and 8 new suits) to derive a fair entropy for seed geneartion:
offline
open source
high entropy
secure
fast
Here's the video :