> Over the last decade, fintechs using RDBMS databases to record transactions have built features onto their databases like a journal of all changes to all data and clever ways of making sure the data hasn’t been modified by storing checksums of data as transactions are added. (under “Updating transactions”)
It is worth noting that many of these methods don't prevent tampering, they only make it visible when you look for it at which point the fact you are explicitly looking for it (rather than having been alerted to a potential issue) might imply it is too late.
It is worth noting that many of these methods don't prevent tampering, they only make it visible when you look for it at which point the fact you are explicitly looking for it (rather than having been alerted to a potential issue) might imply it is too late.