March 2018
Beginner to intermediate
656 pages
20h 9m
English
Content preview from Mastering Blockchain - Second Edition
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Application layer
Protocols running on this layer govern the key attributes of a payment transaction. Examples of application layer protocols include Simple Payment Setup Protocol (SPSP) and Open Web Payment Scheme (OWPS). SPSP is an Interledger protocol that allows secure payment across different ledgers by creating connectors between them. OWPS is another scheme that allows consumer payments across different networks.
Once the protocols on this layer have run successfully, protocols from the transport layer will be invoked in order to start the payment process.