and the so call bitcoin exchange outthere they execute the buy and sell order by matching it and then cancel it out
before put it into the blockchain so that it looks like the transaction is in real time but actually it isn't
YOUR TRANSACTION NEVER APPEAR IN THE BLOCKCHAIN
Explain, please, what does the internal transactions of a centralized currency exchange have to do with the blockchain transactions?
If you don't know how exchanges work, don't comment. You're just showing the level of your ignorance. No wonder you can't take advantage of this phenomenon.
Based on what you've written in this forum so far, I have just one suggestion: don't overlook the value of basic education.
No brain, no gain. Stay in school.