When I enter the deposit address of where I sent my bitcoin, the Blockchain says that the transaction is "Spent" What does this mean? It's been like this for 3-days now. Please help!
the Blockchain says that the transaction is "Spent" What does this mean?
It means that the outputs of the transaction have been used as inputs in a further transaction.
Which, in simpler terms, means that the recipient has subsequently spent the received money.
If you were the recipient, have a conventional (non-custodial) wallet and didn't knowingly spend the money it probably means you have lost control of your wallet as a result of hacking or social engineering or some other hostile act by a third party. For example where an online "friend" helped set up your wallet or where you clicked an "update" notice in an old Electrum wallet.