What is the difference between a “blessed” and a “saint”?
Beatification (Blessed) is essentially an indult for a person to be treated as a saint–it has more of a local quality. Canonization is definitive and prescriptive and has a more universal quality.
Here’s a good read from the Congregation for the Causes of Saints that explains this well as well as the history of the process:
Thank you! .
To my knowledge canonizations are infallible, while beatifications are not