Bitcoin Payments

Introduction

When most people hear the word Bitcoin, they think of one thing: price.

Will it go up? Will it crash? Should I buy now or wait?

That is not what Bitcoin was designed to do.

Go back to October 2008. Satoshi Nakamoto published a nine-page paper that introduced Bitcoin to the world. The very first sentence describes it as "a purely peer-to-peer version of electronic cash" — a way to send money directly between two people, anywhere in the world, without a bank or payment processor in the middle.

Fifteen years later, that original vision is being built out. And for ordinary people who send money — especially internationally — it is worth understanding properly.

The Problem With Moving Money

Sending money should be simple. In practice, it rarely is.

If you want to wire €1,000 to a family member in another country, here is what typically happens. Your bank charges a fixed transfer fee. The exchange rate they offer includes a markup — usually 2 to 4 per cent above the real market rate. The money takes one to five business days to arrive. By the time it lands, your €1,000 may have shrunk by €50 to €80 in charges.

For someone sending a modest amount home every month, that is real money disappearing into the banking system every year. For the estimated 1.4 billion people globally without reliable banking access, the cost is even higher — remittance services that regularly charge 7 to 10 per cent to move someone's wages across a border.

How Bitcoin Payments Work

Bitcoin operates on a public blockchain — a shared ledger that records every transaction. When you send Bitcoin, your transaction is broadcast to a network of computers around the world, verified, and permanently recorded.

No bank approves it. No intermediary takes a percentage. No business hours apply.

The limitation has always been speed and cost on the main blockchain. Transactions can take minutes, and during busy periods fees can rise. This makes it less practical for small, everyday payments — which is exactly the use case that matters most.

That is where the Lightning Network comes in.

The Lightning Network

The Lightning Network is a second layer built on top of Bitcoin, designed for fast, cheap, everyday transactions.

The mechanism is straightforward: two parties open a payment channel between them, locking some Bitcoin into it. They can then send payments back and forth — instantly, for fractions of a cent — without each transaction hitting the main blockchain. When they are done, the channel closes and only the final balance is recorded.

The result is what the original whitepaper envisioned: fast, cheap, direct payments between two people with no bank in the middle.

Lightning is live today. Apps like Strike use it to enable real-time international transfers at near-zero cost. Wallets like Wallet of Satoshi make it accessible to non-technical users. The infrastructure is working — the question is how quickly awareness catches up.

El Salvador: A Live Experiment

In September 2021, El Salvador became the first country to make Bitcoin legal tender. It is a decision that attracted significant controversy, and not all of it without merit.

But the reasoning is worth understanding independently of the politics.

Remittances from Salvadorans living abroad — primarily in the United States — represent approximately 25 per cent of the country's GDP. For decades, those families paid meaningful fees to money transfer companies every time they sent money home. Bitcoin offered a direct, near-free alternative.

The government launched a Bitcoin wallet called Chivo. Citizens could receive remittances in Bitcoin, convert to dollars instantly, pay taxes in Bitcoin, and access financial services — including people who had never held a bank account.

Implementation has been imperfect. Adoption has been uneven. Critics have raised legitimate concerns about the policy. But as a live, national-scale test of Bitcoin as a payments infrastructure, it is real and it is ongoing — and it represents exactly the kind of development worth understanding if you want a complete picture of where money is heading.

What This Means for Ordinary People

Bitcoin as a mainstream day-to-day payment method is not yet fully there. Most people buying goods and services still use cards, bank transfers, or apps like Revolut. Bitcoin's volatility makes it impractical as a daily spending currency for most households.

But the infrastructure is being built. The direction is clear. And for specific use cases — particularly sending money internationally — the case for Bitcoin payments is already compelling and already operational.

Understanding the payment side of Bitcoin gives you a more complete picture of what it is and why it was built. It is not just a number on a screen. It is a new kind of financial rail — one that does not require permission, does not respect borders, and does not charge you €60 to move your own money.

That matters, regardless of where the price goes.

Stack wisdom, not just sats.

— BTC Skool