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[Music] so another thing I want to explain before we get into the example is when I want it when why when I try to obtain an exclusive lock there must not be any shared lock acquired on that value does that make sense that they are linked actually together and the opposite if I want to obtain a shared lock there must not be any exclusive lock obtained so these two are exactly the opposite of each other so you can have as lets say for example I have like seven shared lock on on the balance on a certain value that means nobody can acquire an exclusive lock on that value so nobody can edit it as a sense you know so thats the idea read or write lock that makes sense lets jump to an example guys all right so here I have three people Alice Bob and Charlie Alices red Bob is blue Charlies green and we gotta start this is the timeline from left to right and then were gonna start with Alice started the transaction trying to deposit a $200 on her account right so in order to do that she ne
