Quoting MSDN:> Hi,
> What is a GUID exactly. Is it a unique identifier that the environment
> assigns you or does it take your password and encrypt it? Does it
> correspond with a value in the database for validation (such as a
> password field)?
"A GUID is a 128-bit integer (16 bytes) that can be used across all
computers and networks wherever a unique identifier is required. Such
an identifier has a very low probability of being duplicated."
No password, no encryption.