# General

### **What is Polymarket?**

Polymarket is an information markets platform that lets you trade on the world’s most highly-debated topics (e.g. coronavirus, politics, current events, etc). On Polymarket, you build a portfolio based on your forecasts and earn a return if you are right. When you decide to buy shares in a market, you are weighing in with your own knowledge, research, and view of the future. Market prices reflect what traders think are the odds of future events, turning trading activity into actionable insights that help people make better decisions. As a result, Polymarket is a leading source of unbiased and real-time data about future events.

### What blockchain is Polymarket built on? 

Polymarket is built on the Polygon blockchain, which enables users to purchase and sell tokens without network fees. 

### What is USDC and where can I buy it? 

USD Coin (USDC) is a type of cryptocurrency called a stablecoin. Since 1 USDC can be redeemed for exactly $1.00 USD, the price is always stable. Polymarket uses USDC for transaction speed, security, and transparency. You can purchase USDC directly on a centralized exchange like [Coinbase](http://coinbase.com/usdc), a [debit/credit card](/getting-started/depositing-usdc/debit-or-credit-card-deposits.md) on Polymarket for non-US residents, or a decentralized exchanged like [Uniswap](https://app.uniswap.org/#/swap).

### What browsers do you support? 

You can freely navigate and explore the site with any browser. You can sign up, deposit, withdraw and trade with the following browsers:

| Supported Desktop Browsers | Supported Mobile Browsers |
| -------------------------- | ------------------------- |
| Chrome                     | Chrome                    |
| Firefox                    | MetaMask                  |
| Safari                     |                           |
| Brave                      |                           |

{% hint style="info" %}
The MetaMask app is required for MetaMask mobile deposits
{% endhint %}

### **What are your trading hours?**

Polymarket is built on the Polygon blockchain. As a result, Polymarket is always open for trading.


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