You don't realize that the reason they are slow is because they are insecure. Why don't wires go on weekends? Because there is a possibility of an error, that a

You don't realize that the reason they are slow is because they are insecure. Why don't wires go on weekends? Because there is a possibility of an error, that a human clerk would need to sort out in his working time. Bitcoin can go on weekend because its mathematically secure.