Ledger 1: Drug Transaction Successfully approved
Ledger 4: Drugs Successfully Sold
Ledger 2: Drug Importing Successfully approved
Once Verified, the block is linked to the last block, this forms a chain of blocks. because the ledgers are connected, any attempt to manipulate the date must break all the blocks to change a single small detail inside the system. Thus creating a secure and robust system.
Making sure that every drug is legit and accounted for