deal with – How does one checks which buyer made a fee?


One query I am not in a position to correctly reply when requested is

How precisely can the blockchain confirm the identification of the consumer with out a centralized trusted social gathering reminiscent of VeriSign?

I do know that is achieved in a decentralized approach and the ECDSA algorithm ought to do the trick, however different purposes nonetheless want a centralized trusted social gathering with the intention to confirm if the consumer is admittedly who he says he’s even after they’re utilizing ECDSA as nicely.

However how precisely can I assure that no person can fake to be another person and spend their bitcoin as a substitute?

Sure, I do know the fundamental of how public-key cryptography works, however Info Safety is just not sturdy with me.

Edit: let me discover the query additional.

Suppose I personal a espresso home with intense circulate of consumers. How can I make sure about costumers that had already paid and others how did not pay?

To illustrate that Bob and Anna are my clients. Bob orders a Macchiato, Anna orders a Capuccino. Each coffees have the identical value. How can I do know which fee got here from every one among them?

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