Merge pull request #31 from antanst/patch-1

Update paymentid.md
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Riccardo Spagni 2015-04-27 00:58:18 +02:00
commit 727107f4c3

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@ -7,4 +7,11 @@ summary: "an optional flag that is added to identify transactions to merchants,
### The Basics
{{ page.summary | capitalize }}.
Payment ID is an **arbitrary** and **optional** transaction attachment that consists of 32 bytes (64 hexadecimal characters).
It 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.
### Creating a Payment ID
One can create a Payment ID quickly from the command line using OpenSSL:
```# openssl rand 32 -hex```