Beginner’s guide

What is a stablecoin

A stablecoin is a cryptocurrency designed to have a stable value, almost always pegged to the U.S. dollar. One unit of USDT or USDC is worth about 1 dollar all the time, without Bitcoin’s swings. In practice, it’s the digital dollar: you hold dollars without opening an overseas bank account.

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USDT and USDC stablecoins pegged to the dollar
Concept

Stablecoin in one sentence

While Bitcoin goes up and down, the stablecoin was created to stay steady at the dollar’s value. It’s the bridge between the crypto world and everyday money.

The best known are USDT (Tether) and USDC (Circle). Each unit is backed by reserves that keep it at roughly 1 dollar.

How does a stablecoin work?

Three ideas explain almost everything.


Dollar parity

Each unit is designed to be worth about 1 dollar. That’s what keeps the price stable, unlike other cryptos.

Backed by reserves

The company behind it holds reserves, like cash and securities, that support each stablecoin in circulation.

Runs on the blockchain

Like any crypto, it works 24/7 and can be sent anywhere in the world, quickly.

The digital dollar, in practice

Dollar stability with crypto freedom: no overseas bank account and no hours.

≈ US$ 1It’s how much each unit of USDT or USDC is worth.
24/7Works every day, without depending on a bank or time zone.
GlobalSend and receive value from anywhere in the world.
Use cases

What is a stablecoin used for?

Hold digital dollars. Without needing to open an overseas bank account.

Protect yourself from BRL volatility. By storing value pegged to the dollar.

Send and receive worldwide. Quickly, directly on the blockchain.

Store stable value. Between one operation and another in the crypto world.

USDT or USDC: what’s the difference?

Both track the dollar. The difference is who issues them.


USDT (Tether)

The most used and most liquid stablecoin in the world. It’s the most widely accepted across platforms and trades.

USDC (Circle)

Known for its focus on transparency and for frequent reports on the reserves that back it.

In practice

Both are worth about 1 dollar. The choice is usually based on preference, liquidity, or where you’ll use it.

Digital dollars at Brasil Bitcoin

At Brasil Bitcoin you buy USDT and USDC simply, with proprietary infrastructure and within Brazilian regulation.

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Buy via Pix

Buy USDT and USDC starting from low amounts.

Digital dollars

Get exposure to the dollar without opening an overseas bank account.

Custody and security

Proprietary infrastructure and operations within Brazilian regulation.

Reference in Latin America

Largest crypto platform in Latin America and finalist for the Reclame Aqui Award 2026.

How to buy stablecoin safely

At Brasil Bitcoin, from signup to your first purchase in a few steps.

1

Open your account

Complete identity verification.

2

Deposit in reais

Use Pix, directly from the app.

3

Buy USDT or USDC

Choose any amount you want.

4

Track it on your phone

Never share access to your account.

Frequently asked questions

Have digital dollars today

Open your account and start with whatever amount makes sense for you.

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+600kClients
≈ US$ 1Per stablecoin
2018Pioneer in Brazil