Press & writing

Press coverage

• I Read the Wallet Field on 139 Crypto Cards. The Contract Was Elsewhere
  Fintech Bloom · 2026-08-14

  Bylined article by the Sweepbase founder.

• 4 Hidden Payment Processing Costs Merchants Often Miss
  Stesanor · 2026-07-27

  Sweepbase founder quoted as an expert source.

• Self-Custody Doesn't Save You From Bank Risk. It Just Hides It Better
  Securities.io · 2026-07-13

  Bylined article by the Sweepbase founder.

• Who really issues Switzerland's crypto cards
  Crypto Valley Journal · 2026-07-08

  Bylined article by the Sweepbase founder.

• Debunking DeFi Security Myths: Experts Share Their Insights
  BlockTelegraph · 2026-07-02

  Sweepbase founder quoted as an expert source.

• DeFi Security Concerns: What Experts Are Still Trying to Figure Out
  BlockTelegraph · 2026-07-02

  Sweepbase founder quoted as an expert source.

Notes & long-form writing

Posts written by the Sweepbase founder on owned channels (Substack, Telegraph, Blogger, WordPress, Dev.to). These are author writing, not press coverage.

• Crypto card cashback is mostly fake
  Sweepbase Notes (Substack) · 2026-04-24

  What I found after comparing 141 cards on one spreadsheet.

• When the cheapest crypto card on paper is not the cheapest in practice
  Sweepbase Notes (Substack) · 2026-05-06

  A worked example with numbers showing why headline cashback rarely wins.

• My Next.js 15 aggregator runs on a CSV file instead of a database
  Dev.to · 2026-04-24

  Why a public CSV beats a database for a 141-row comparison site, and what that decision cost.

• A practical guide to comparing crypto debit cards
  Crypto Card Notes (WordPress) · 2026-04-24
• Why region matters more than anything else when picking a crypto card
  Crypto Card Notes (WordPress) · 2026-04-30
• The two fees that decide whether a crypto card is worth using
  Crypto Card Research Notes (Blogger) · 2026-04-24
• What I learned from putting 140 crypto cards into one spreadsheet
  Crypto Card Research Notes (Blogger) · 2026-04-30
• Why most crypto card "no fees" claims hide one or two real costs
  Crypto Card Research Notes (Blogger) · 2026-04-30
• Quick notes on comparing crypto debit cards
  Telegraph · 2026-04-24
• Five things I keep finding in crypto card fine print
  Telegraph · 2026-04-30
• When crypto card cashback rates are misleading
  Telegraph · 2026-04-30
• How I picked the metric to compare 139 crypto cards on
  Telegraph · 2026-05-03

  Why all-in cost beats headline cashback as the single comparison metric.

• What I would tell a friend asking about crypto cards this month
  Telegraph · 2026-05-06

  A five-question framework for picking a first crypto card.

• Three months of running a Next.js aggregator on a CSV: what broke and what did not
  Dev.to · 2026-05-06

  Operational lessons after three months in production.

• Why I keep building these comparison notes outside the main site
  Crypto Card Research Notes (Blogger) · 2026-05-03
• A small follow-up to my cashback math note
  Crypto Card Research Notes (Blogger) · 2026-05-01
• One more thing I should have put in my fine-print note
  Crypto Card Notes (WordPress) · 2026-05-01
• What I would ask a crypto card founder if they pitched me a launch
  Crypto Card Notes (WordPress) · 2026-05-03
• Crypto card research notes
  Google Sites

Open data

• Sweepbase Crypto Cards Dataset
  Kaggle

  Version 1, a snapshot of 139 cards, CC-BY 4.0. The current file covers 178 cards and is on the Sweepbase dataset page.

• awesome-crypto-cards
  GitHub

  Curated list of crypto card products, organised by region and feature.

Listings & profiles

• Sweepbase on Crunchbase
  Crunchbase
• Sweepbase on AlternativeTo
  AlternativeTo
• Sweepbase on Product Hunt
  Product Hunt
• Sweepbase on G2
  G2
• Sweepbase on SaaSHub
  SaaSHub
• Sweepbase on Peerlist
  Peerlist
• Sweepbase on F6S
  F6S
• Sweepbase on Wellfound
  Wellfound
• Sweepbase on StackShare
  StackShare
• Mihail B. on About.me
  About.me
• Sweepbase on KittyLaunch
  KittyLaunch