# Xapo (customersupport)

> Xapo (customersupport) knowledge base – help articles and documentation.

## Explore Xapo Bank

- [Understanding Bitcoin](https://customersupport.xapo.com/en_us/understanding-bitcoin-BySEYqtvR.md): What is Bitcoin       Bitcoin often dubbed digital gold is a decentralised cryptocurrency that operates without a central authority Launched in 2009 by an

## Sending & Receiving Funds

- [What is UMA?](https://customersupport.xapo.com/en_us/what-is-uma-Hyi805sj6.md): What is UMA and does it work      UMA stands for Universal Money Addresses Network UMA enables anyone in the world to send and receive any currency or digital
- [How to transact MXN via SPEI network?](https://customersupport.xapo.com/en_us/how-to-transact-mxn-via-spei-network-S1xTJiuYJg.md): SPEI is a system developed and operated by Banco de México that enables the public to make electronic payments in Mexican Pesos MXN within seconds Think of i

## Contacting Xapo Bank

- [How do I contact Xapo Bank's support?](https://customersupport.xapo.com/en_us/how-do-i-contact-xapo-s-customer-support-BkgyyMPLd.md): As a member of Xapo Bank, you can expect and deserve the highest level of service. We are keen on listening to you and assure you that help is always a...
- [Make a Complaint](https://customersupport.xapo.com/en_us/make-a-complaint-rJSfTOAW0.md): Making a Complaint  FAQs           How to Complain      Were here to help  Sometimes things can go wrong  We encourage customers to tell us about it so we