Veintree is all about locks and keys, but digital locks and keys that are based on your physical characteristics.

A specific digital lock is created when you wish to access a digital service, a digital right or a physical place to which you have been granted access by a "custodian of the premises".

However, the lock contains nothing regarding your identity, no personal information whatsoever, and it is only capable of receiving a specific code that will enable it to be opened.

This code, which we call a token, is constructed from your hand, and several other items of non-personal information.

This token is designed to be resistant to quantum computation... which is unique in itself...

What's more, it can only be used once since two tokens can never be identical... 

It is this token which will combine with the lock and open it (or not if the lock refuses to because the token is obsolete).