---
title: "Discussion on \"Building a crypto card aggregator on a public CSV instead of a database\" | Hashnode"
description: "Discussion on \"Building a crypto card aggregator on a public CSV instead of a database\". Most comparison sites I read in 2025 had stale data. The Binance Visa was being recommended in posts published a year after it shut down. Crypto.com cashback rates were stuck on 2021 numbers. So I bui"
url: "https://hashnode.com/posts/building-a-crypto-card-aggregator-on-a-public-csv-instead-of-a-database/69f33315909e64ad07b05d08"
---

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# [Building a crypto card aggregator on a public CSV instead of a database](https://sweepbase.hashnode.dev/building-a-crypto-card-aggregator-on-a-public-csv-instead-of-a-database?utm_source=hashnode&utm_medium=feed)

Most comparison sites I read in 2025 had stale data. The Binance Visa was being recommended in posts published a year after it shut down. Crypto.com cashback rates were stuck on 2021 numbers. So I bui

Apr 30 · 3 min read · sweepbase.hashnode.dev  
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