Plain Strata: Integer Overflow, Why a Guard Built From the Same Arithmetic Certified a Theft
A mechanical odometer with five windows of digits reads twenty-one after a hundred thousand and twenty-one miles, because the wheels turn past the last place and start again from zero, a correct reading of the wheel and a false reading of the trip, and that is what happened to the part of a payment network whose only job is to notice money appearing from nowhere. The XRP Ledger, a payment network anyone can join, stores every amount in a fixed-width container of sixty-four binary digits (the on-or-off switches a number is built from), about ninety-two times the entire money supply, so for ten…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.