Your credit report lists what types of credit you use, the length of time your accounts have been open, and whether you've paid your bills on time. It tells lenders how much credit you've used and whether you're seeking new sources of credit. It gives lenders a broader view of your credit history than do other data sources, such as a bank's own customer data.
You can definitely build your credit from scratch by working to improve the factors that go into your score — except for the length of credit history. It’s impossible to travel back in time to open a credit account, so improving this factor just takes patience. Luckily, the length of your credit history isn’t the most important thing that determines your score.