Sixteen characters

to identify every identifying authority in the world, and beyond. Every organization, individual, government, and agency can have several randomly-assigned strings to tag everything they've ever created, and everything they own. Guaranteed to be unique.

Register a new 16-character hexadecimal identifying authority.

Thirty-two characters

With sixteen characters identifying your authority and sixteen more for every asset or object you create or own, anything can be tagged with a guaranteed-unique 32-character identity.

Get a 16-character hexadecimal string to identify your stuff.

Register a new identified object.

Sixty-four characters

When you need an ID string that can't be brute-forced practically, like account numbers or transaction numbers, use a 64-character random hexadecimal string.

Get a 64-character hexadecimal string now.