Answer:
The primary difference between a blockchain and a database is centralization. While all records secured on a database are centralized, each participant on a blockchain has a secured copy of all records and all changes so each user can view the provenance of the data.
Answer:Sorry but it shows 2 things only which doesn't tell us what u need help with.
Explanation:
adding merge fields is a way to personalize a document with information from the data source. The merge fields come from the column headings in the data source.
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