Dune access
You can use a query on Dune Analytics, similar to this query. You have to log on with a Dune account, but their free tier is sufficient.1
Browse to the [OVM1.0 User Address Transactions](https://dune.com/optimismfnd/OVM1.0-User-Address-Transactions) Dashboard on Dune.
2
Enter the address you wish to search in the `Address` text box in the top left.
3
Run the query (This requires log in. A free Dune account is sufficient).
optimism_legacy_ovm1
schema defined in Dune Docs here.