authenticator

authenticator - noun

one who determines authenticity (as of works of art) or who guarantees validity

authenticator - thesaurus

Scrabble score = 18

Please note that scrabble only allows seven tiles to be placed at once.

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington