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Simplified Payment Verification (SPV) - verwendet Bitcoin, ohne einen vollständigen Netzwerkknoten auszuführen. Nach dem Empfang einer neuen Transaktion muss ein Knoten dies standardmäßig überprüfen: Überprüfen Sie insbesondere, ob keine der Eingaben der Transaktion zuvor ausgegeben wurde. Um diese Überprüfung durchzuführen, muss der ... Simplified Payment Verification (SPV) is described in section 8 of the Bitcoin whitepaper.It allows a transaction recipient to prove that the sender has control of the source funds of the payment they are offering without downloading the full Block chain, by utilising the properties of Merkle proofs.This does not guarantee that the funds have not been previously spent, this assurance is ... Simplified Payment Verification (SPV)¶ An alternative approach detailed in the original Bitcoin paper is a client that only downloads the headers of blocks during the initial syncing process and then requests transactions from full nodes as needed. This scales linearly with the height of the block chain at only 80 bytes per block header, or up to 4.2MB per year, regardless of total block size. Simplified Payment Verification (SPV) wallets are lightweight wallets that can verify whether or not a transaction is part of a block without downloading the 340 GB block chain. However, they cannot verify whether or not the transaction is actually valid. (Only full validation nodes like Bitcoin Core can do that.) Bitcoin Core 0.9 supports the new payment protocol. The payment protocol adds many important features to payment requests: Supports X.509 certificates and SSL encryption to verify receivers’ identity and help prevent man-in-the-middle attacks. Provides more detail about the requested payment to spenders.
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