Guides
How stablecoin payments actually work
Written for people who want to pay confidently or start accepting payments — not for people who want to understand blockchains. Every guide is dated and updated when the facts change.
Spending stablecoins
Where acceptance is real, and how to pay without losing money.
How to book flights with USDC in 2026
A flight is the largest thing most people will try to buy with a stablecoin, and the one where the missing chargeback matters most. This is the process, end to end, built from what the platforms document — and honest about how few airlines are on it.
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How to buy gift cards with USDT in 2026
Gift cards are how most people actually spend Tether at shops that have never heard of it. The mechanism works. It also carries a spread, a region lock and no chargeback, and each reseller handles those differently. Here is the process, from wallet to redeemed code.
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How to pay for web hosting with USDC in 2026
Hosting is the category where stablecoin payment works best. This is the whole process, from "which host" to "invoice paid", using only what the hosts themselves document — including the parts they leave out.
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CornerstoneBooking flights and hotels with stablecoins
Travel is the category with the most stablecoin acceptance and the fewest airlines. Understanding why explains what you are really buying.
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CornerstoneBuying gift cards with USDC and USDT
This is how most people actually spend a stablecoin at a shop that does not accept one. It works, it is the widest-reach option available, and it costs you something real.
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CornerstoneWhere can you spend stablecoins?
An honest survey of what you can actually buy with USDC, USDT and other stablecoins in 2026 — the categories that work, the ones that do not, and the workarounds that bridge the gap.
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CornerstoneWhere can you spend USDC?
USDC is the most widely accepted stablecoin at merchant checkouts. Here is what you can buy with it, which network to use, and what to check before you send.
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CornerstoneWhere can you spend USDT?
USDT is the most-held stablecoin in the world and widely accepted at merchant checkouts, particularly by platforms serving global markets. Here is where it works.
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Accepting stablecoins
For businesses adding a stablecoin payment option.
Accepting stablecoins with Stripe
If you already run Stripe, this is the shortest path to taking USDC. It is also narrower than most merchants expect, in four specific ways worth knowing before you switch it on.
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CornerstoneHow to accept USDC on your website
The decision is not which gateway. It is whether you want to hold the asset or hold dollars, and everything else follows from that one answer.
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CornerstoneStablecoin payments for ecommerce
The categories adopting this fastest all share one property, and it is not the one the industry talks about. Knowing whether your store shares it answers the question.
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Shopify stablecoin payments
The largest distribution event in merchant stablecoin acceptance so far — and, for a directory like this one, a category of acceptance that is almost impossible to see.
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CornerstoneHow to accept stablecoin payments
What it actually takes to add stablecoin acceptance to a business — the integration is the easy part, and this guide is mostly about the rest.
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CornerstoneStablecoin payment gateways compared
There is no single best gateway, only a best gateway for a given business. This compares the main options on the criteria that actually decide it.
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How it works
The mechanics behind a crypto checkout.
Stablecoin payment fees, explained
There are four places a stablecoin payment can cost you money, and almost every guide to this topic only mentions one of them.
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How stablecoin refunds actually work
The single biggest practical difference between paying in stablecoins and paying by card, and the one merchants explain least well.
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USDC vs USDT for payments
Tether is much the larger asset. USD Coin is the one more merchants put on their checkout. The gap between those two facts is the whole story.
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CornerstoneHow stablecoin payments work
A plain explanation of the mechanics behind a stablecoin checkout, written for people who want to pay confidently rather than understand blockchains.
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Stablecoin payments vs credit cards
Cards are better for some things and stablecoins for others. This is an honest account of which is which, from both the payer's and the merchant's side.
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Networks
Choosing where to settle a payment.
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New guides and merchant coverage are published to our RSS feed. Everything here is dated, and we update rather than republish when the facts change.