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Lost Data and the Power of Reverse Engineering

Have you ever accidentally deleted an entire database worth of data? This was precisely the nightmare I found myself in recently with my personal budget app after trying to tidy up some old transactions. Fortunately I found an old backup file, but it was over 18 months old which seemed far too big of a gap of data for me to accept. Thus began a journey full of highs and lows to rebuild the missing information using other data sources and digging into the source code of the app itself, which I will describe below.