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Every time you show your ID to buy alcohol or prove you're a resident for a discount, you're revealing private info that the merchant to answer their simple yes/no question. Here's a thought: your bank already has this information through KYC processes. What if your payment device could simply confirm these facts during the payment itself without exposing any of your personal details?
Converting from Single Message Systems (SMS) to Dual Message Systems (DMS) and back seems deceptively simple, but let's dive in to discover what terrors lie hiding in wait below the calm surface.
Let's look into what exactly the various messages and steps are in payment processsing, and how they differ between Single vs Dual Message Systems as well as the differences between payment networks (e.g., mobile payments vs card networks).
You cannot determine the Personally Identifiable Information classification of data (per GDPR) by looking at the data alone. In fact, non-PII data can become PII when provided to third parties which naturally has significant compliance consequences.
The regulatory language around dynamic linking of authentication codes in remote payments seems to imply that the authentication code must be generated in response to payment creation, but a Q&A clarifies that the authentication code may be created at any stage before the final authorization of the payment transaction by the user.
Whenever a payment is initiated via consumer scan, such as a mobile app scanning a QR code, the payment is considered "remote" according to PSD2 even when the consumer is physically at the merchant's location which is considered a "card present" context for card payments. As a result, certain regulatory considerations come into play, such as dynamic linkin of authorization codes.
$HOME
There are a few hoops to jump through to get your encrypted home directory to get backed up automatically when you plug in a USB drive. Let's get it working!
How to recover a home partition that has been encrypted with ecryptfs.
handle_continue callback to GenServer
Let's see how the handle_continue callback is useful in GenServers.
Starting multiple pools, using the Registry to locate pool supervisors and stop them.