Bismuth: What are shielded tokens?

Any Bismuth user is able to create his own shielded token on top of the Bismuth platform. The shielded key keeps the token private from anyone who has no access to the shielded key.

https://bismuth.cz/shielded.pdf https://github.com/bismuthfoundation/shielded-tokens ... https://www.youtube.com/watch?v=SHNQHmZZKdo