Denken Sie daran, dass Bitcoin wird irgendwann aufhören, bezahlen, block-Belohnungen und schaltet über Gebühr zu subventionierten Bergbau. Das gleiche Modell könnte die Unterstützung einer privat-ausgestellt-Netzwerk. Da die Gebühren, die von Nutzern stammen versenden von Münzen zu einander, Sie wäre nicht "doppelt ausgegeben" oder so. Ich die zentralen Emittenten einfach kontrollieren, wie viele Münzen sind im Umlauf, das Bitcoin-Protokoll erlauben würde, den Kreislauf auf sich selbst aufzupassen. "Ich sehe, dass Sie gemacht $20.000 im letzten Jahr von mining Bitcoin, obwohl Sie nicht viel Geld auf Bitcoin-Miner. Das hört sich nicht verdächtig an alle."

So, wie wir überprüfen können, diese Transaktion gültig ist, ohne dass der public-key?

Die Signatur enthält den öffentlichen Schlüssel entsprechend dem privaten Schlüssel, der die Signatur.

Wenn wir befestigen Sie den öffentlichen Schlüssel mit der Nachricht dann warum verbringen Zeit auf der Suche nach hash des public-key in den ersten Platz?

Es ist nicht klar, was du meinst, durch den "öffentlichen Schlüssel". Dessen öffentlicher Schlüssel sprichst du? Bob ' s public key ist nicht in der Nachricht.

Sind wir die Speicherung der öffentlichen Schlüssel, die in einigen zentralen Datenbank?

Wenn Sie einen öffentlichen Schlüssel übermittelt wird, mit einer Signatur der öffentliche Schlüssel wird in die Transaktion. Die Transaktion enthalten ist, in einem block, und diesen block ist Teil der blockchain für immer.

Wenn der Empfänger stellt den public-key und überprüft, ob die Transaktion gültig ist, wie die anderen bestätigen können, das war eine gültige Transaktion?

Es ist nicht klar, was du meinst mit "dass". Zur Validierung einer Transaktion, Sie müssen nur sicherstellen, dass es ist berechtigt, zu behaupten, die Geldmittel, die er versucht zu behaupten. Sie nicht besonders kümmert, was es tut, mit diesen Mitteln, nur, dass es das Recht hat, zu entscheiden, was mit Ihnen zu tun. So brauchen Sie nicht zu wissen viel über die Empfänger-nur genug, um Sie zu identifizieren, wenn Sie kommen, zu behaupten, dass Ihre Fonds. Der hash-Wert Ihres öffentlichen Schlüssels funktioniert.

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