As part of registering at Feast you are asked, but not required. to provide your e-mail address. We do not make e-mail addresses visible on the site. We never have, nor do we ever intend, to sell your e-mail address to a separate organization.
You can edit anonymously but your IP address will be captured and become part of the records of the edits of the page which are visible to other visitors. Others may be able to identify you from your IP address.