As briefly mentioned, the significance of the 30 pieces of silver is that they fulfilled Old Testament prophecies. Zechariah 11:13, Jeremiah 19:1-13, and Jeremiah 32:6-9 describe the prophecy of Jesus being sold for 30 pieces of silver, which Jesus fulfilled in Matthew 26:14-16.
As briefly mentioned, the significance of the 30 pieces of silver is that they fulfilled Old Testament prophecies. Zechariah 11:13, Jeremiah 19:1-13, and Jeremiah 32:6-9 describe the prophecy of Jesus being sold for 30 pieces of silver, which Jesus fulfilled in Matthew 26:14-16.