I have a very un-tech savvy friend who thinks she purchased $100 worth of bitcoin in 2008 or 2009, but has since relocated to another state and doesn't know where her records are. Is there some sort of database or transaction history that could be addressed/reviewed to see if this purchase did in fact occur?
closed as too broad by Pieter Wuille, Highly Irregular, remedcu, MeshCollider♦ Dec 10 '17 at 8:32
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Your friend will need to remember the following things:
- What computer she had the bitcoin wallet on.
- The password for the wallet (assuming one was set)
If your friend only has the address, your friend will need the private key associated to it.
There is nothing you can really check/see if she bought bitcoins unless she either remembers her address in which case you can check the balance of, or finds the computer and wallet she used to store them in.