---
title: "What do Visa and Mastercard do? An intro to card networks"
slug: hn-49614280
published: 2026-09-08T18:11:05.000Z
indexing_status: crawled
crawl_hits: 1
crawlers: ClaudeBot
source: https://tautology.town/2026/06/01/card-networks.html
---
# What do Visa and Mastercard do? An intro to card networks

Source: [Hacker News](https://news.ycombinator.com/item?id=49614280) · score 489 · by evakhoury

Link: https://tautology.town/2026/06/01/card-networks.html

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Published via Silicon Nexus signal feed: https://silinex.xyz/feed/hn-49614280