Some early manuscripts address this problem by changing this verse to specify that it is the temple, not the sanctuary where the coins are going, but the earliest sources agree that τον ναον was the term the author of Matthew used. While the author of Matthew would have been aware of the rules surrounding the Temple sanctuary, he may be using the term to emphasize the defilement with the blood money corrupting the holy place and presaging the destruction of the Temple itself.
Some initial manuscripts address this issue by altering this verse to clarify that it is the temple, not the sanctuary where the coins are going, but the earliest sources concur that τον ναον was the term the author of Matthew employed. The author of Matthew would have been familiar with the regulations surrounding the Temple sanctuary; however, he may be utilizing the term ναον to stress the defilement caused by the tainted money and its potential to foretell the destruction of the Temple itself.