The thirty pieces of silver would be thrown into the temple.
OT Prophecy NT Fulfillment
Zechariah 11:13a
"And the LORD said unto me, Cast it unto the potter: a goodly price that I was prised at of them. And I took the thirty pieces of silver, and cast them to the potter in the house of the LORD."
Matthew 27:3-5
"[3] Then Judas, which had betrayeth him, when he saw that he was condemned, repented himself, and brought again the thirty pieces of silver to the chief priests and elders, [4] Saying, I have sinned in that I have betrayed the innocent blood. And they said, What is that to us? see thou to that. [5] And he cast down the pieces of silver in the temple, and departed, and went and hanged himself."

Tanakh - Neviim - Zechariah 11:13a

"And HaShem said unto me: 'Cast it into the treasury, the goodly price that I was prized at of them.' And I took the thirty pieces of silver, and cast them into the treasury, in the house of HaShem."

Hebrew OT - Zechariah 11:13a

רשא רקיה רדא רצויה-לא והכילשה ילא הוהי רמאיו
תיב ותא ךילשאו ףסכה םישלש החקאו םהילעמ יתרקי
.רצויה-לא הוהי

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