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main: - [x] translated: de.yml - Status: peer-reviewed - [x] translated: lang\de\ - Status: peer-reviewed - [x] added: "de: Deutsch in other ymls" resources: * untranslated: moneropedia - some terms added to match de.yml * untranslated: user guides * untranslated: developer guides Special thanks to ErCiccione and rodolfo912 as well as to rbrunner7
26 lines
1.4 KiB
Markdown
26 lines
1.4 KiB
Markdown
---
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terms: ["payment-ID", "payment-IDs"]
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summary: "an optional flag that is added to identify transactions to merchants, consisting of 64 hexadecimal characters"
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---
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{% include untranslated.html %}
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### The Basics
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Payment ID is an **arbitrary** and **optional** transaction attachment that consists of 32 bytes (64 hexadecimal characters) or 8 bytes (in the case of integrated addresses).
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The Payment ID is usually used to identify transactions to merchants and exchanges: Given the intrinsic privacy features built into Monero, where a single public address is usually used for incoming transactions, the Payment ID is especially useful to tie incoming payments with user accounts.
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### Compact Payment IDs and Integrated Addresses
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Since the 0.9 Hydrogen Helix version, Payment IDs can be encrypted and embedded in a payment address. The Payment IDs of this type should be 64-bits and are encrypted with a random one-time key known only to the sender and receiver.
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### Creating a Payment ID
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It is recommended to use the official wallet's `integrated_address` command to automatically generate Integrated Addresses that contain Compact Payment IDs. If you want to use the command line, you can generate Payment IDs as follows:
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Creating a compact Payment ID for an Integrated Address:
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```# openssl rand -hex 8```
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Creating an old-style Payment ID:
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```# openssl rand -hex 32```
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