Although that does not happen frequently, the Court does have that right. You lose your right to any appeal, unless you were subjected to threats or coercion, unable to fully understand your rights or if the Court failed to advise you on record as to what rights you are waiving. In some Alford pleas, a violation means your sentence will revert to the maximum imposed by the state if you had been tried and convicted. Under Megan's Law your name and place of residence will be posted publicly. You will most probably also have to register as a sex offender annually and every time you change your residence address.
Some states require registration for life.
You lose your rights under the Constitution, such as your right to vote, your right to carry a firearm and your right to a search warrant. Authorities can search your premises at any time day or night without a warrant or probable cause. You may be ordered to stay completely away from children. This can include your own children regardless of whether or not they were the alleged victims. If you are a licensed professional or work in an industry that has security clearance requirements or a morals clause, you may very well find your career history.