The midfielder, who featured in first-team friendlies against Carlisle United and Burnley in pre-season, has agreed an initial 18-month deal, which includes an option for a further year.
A composed presence in the middle of the park, Trusty has made 17 appearances for the youth team this season and found the net on three occasions.
On signing professional terms, Tayt Trusty said:
“I’m over the moon. This is something that I’ve wanted to do (turn professional) ever since I started playing football.
“I had a slow start coming to Blackpool, having moved away from my family, but over the past year or so I’ve met some great people and had a fantastic time. The coaches here have really helped me on my scholarship, and I’ve improved massively.
“I now want to keep working hard, make further progress and train more with the first-team, with the aim of playing games in the future.”
Academy Director Ciaran Donnelly added:
“The progress Tayt has made in a short space of time, having joined us at 16, is remarkable, and that tells you everything you need to know about his character.
“He has the ability to dominate opponents with his physical style of play and his willingness to learn has put himself in a position where, as a staff, we are all very excited at the player Tayt can become over the next couple of years.
“He is ready for senior football having outgrown the youth team programme. You can see through his performances that he is in a really good place, and we are now ready for him to take that next step.
“This is a well-deserved professional contract and I’m sure our supporters will enjoy watching Tayt progress.”