Did you know that many people pay bank fees without knowing why? Or miss out on free services simply because they don’t know they exist? In this article, we at OneKey will cover the fundamentals of banking education so you can use the financial system to your advantage and make smarter choices with your money!
📌 What you’ll learn in this article:
🧠 Why understand the banking system?
The bank is one of the most present institutions in our daily lives—it handles your payments, income, credit, and even investments.
However, lack of knowledge about banking services can lead to unnecessary costs, debt, and frustration.
Learning how banks work is a key step to protect yourself and make the most of what they offer.
🏛️ What is the banking system?
The banking system is made up of financial institutions that securely store your money, offer credit, process payments, and provide financial products.
Types of institutions:
💳 Types of bank accounts
Current Account
Purpose: Daily transactions, salary deposits
Recommended for: People who need to make transfers, payments, and use debit or credit cards
Savings Account
Purpose: Saving money with automatic interest
Recommended for: Those who want to start saving safely and without risk
Digital Account
Purpose: Fully online banking, no physical branches
Recommended for: Those who prefer convenience and no fees
Salary Account
Purpose: Exclusively for receiving salaries
Recommended for: Employees with formal contracts, pensioners, retirees
🔎 Tip: Digital accounts usually have fewer fees and more transparency. Always compare!
💸 Bank fees: what you can avoid
Many banking services are free by law or by the bank’s own offerings, but people still pay for them out of unawareness.
Free basic service package
According to Brazil’s Central Bank regulation, all banks must offer a free basic package, which includes:
You can request this package at any time!
🧾 Credit vs. Debit Cards: What’s the Difference?
Debit Card (or Pix)
Credit Card
⚠️ Reminder: Credit cards are not your money. Misuse can easily become a financial trap.
💳 Credit, Loans, and Overdrafts
Understanding the cost of credit is essential. Before using:
🔐 Basic banking security
🧩 How to manage your bank more wisely
If you enjoyed this content, share it with anyone who still thinks “dealing with banks” is too complicated.
Banking education is power — and power with awareness means freedom! 🚀
OKP (OneKey Payments)