# Basics

Cryptocurrency payments are reshaping how businesses and individuals handle transactions worldwide. At OMY Payments, we make crypto transactions seamless, fast, and secure. Here’s a basic guide to understanding how invoices work, accepting crypto payments, and withdrawing your funds in both cryptocurrency and fiat currency.

{% content-ref url="editor/what-is-an-invoice" %}
[what-is-an-invoice](https://docs.omypayments.com/getting-started/editor/what-is-an-invoice)
{% endcontent-ref %}

{% content-ref url="editor/accepting-payments" %}
[accepting-payments](https://docs.omypayments.com/getting-started/editor/accepting-payments)
{% endcontent-ref %}

{% content-ref url="editor/withdrawing-your-funds-from-omy-payments" %}
[withdrawing-your-funds-from-omy-payments](https://docs.omypayments.com/getting-started/editor/withdrawing-your-funds-from-omy-payments)
{% endcontent-ref %}

{% content-ref url="editor/security-and-transparency" %}
[security-and-transparency](https://docs.omypayments.com/getting-started/editor/security-and-transparency)
{% endcontent-ref %}