> For the complete documentation index, see [llms.txt](https://three-3.gitbook.io/litepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://three-3.gitbook.io/litepaper/3pay.md).

# 3PAY

<figure><img src="/files/vnVudKcQ1FLliKruA7bA" alt=""><figcaption><p>Three Protocols payment gateway!</p></figcaption></figure>

**Why 3Pay could replace PayPal, Stripe, Apple Pay and Shopify.**

\- Current online payment gateways have 3 problems

\- High international currency conversion fees and wait times

\- Lengthy chargeback and refund dispute processes for buyer protection

\- Prone to scams with new online merchants disappearing.

**3Pay uses three protocols Blockchain tools to:**

\- Avoid international fiat conversion fees and delays by converting customers fiat currency to $THREE then to buyers Fiat currency

\- Disputes can be settled in minutes not days using Three's DAIOs

\- Threes ZKP Tri-proof smart contracts ensure funds are only released once items have been delivered.

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