Module 2 of 4
Spending Bitcoin
How to use bitcoin for daily purchases, which merchants accept it, and why spending is not the opposite of saving.
A common objection to spending bitcoin is that you should "never sell." This objection contains a category error. Spending bitcoin is not selling an investment. It is using money for its intended purpose: exchange.
Satoshi designed Bitcoin as a peer-to-peer electronic cash system. Cash is meant to be spent. The question is not whether to spend, but how to maintain your bitcoin position while doing so. The answer is simple: spend and replace. Use bitcoin for purchases, then replenish with new earnings or purchases.
Where to Spend
The number of merchants accepting bitcoin directly grows monthly. Lightning has removed the practical barriers — settlement is instant, fees are negligible, and the payment experience is faster than credit cards.
- Gift cards — services like Bitrefill and The Bitcoin Company allow you to buy gift cards for major retailers with Lightning. This is the broadest coverage available today.
- Direct merchants — a growing number of online and physical retailers accept bitcoin via BTCPay Server or other Lightning-enabled payment processors.
- Peer-to-peer — paying individuals for services, splitting bills, or settling debts. Lightning makes person-to-person payments trivial.
- Travel — services like Travala accept bitcoin for hotel bookings. Some airlines and travel agencies are following.
The Mechanics
A Lightning payment works like this: the merchant displays a QR code or a payment link. You open your Lightning wallet, scan the code, confirm the amount, and press send. The payment settles in about one second. There is no signature, no PIN entry, no waiting for authorisation. It is faster than tapping a credit card.
For on-chain payments (used for larger amounts or merchants who do not support Lightning), you scan the merchant's address, set the fee level based on your urgency, and broadcast. Confirmation takes ten minutes to an hour depending on network congestion and the fee you set.
Spend and Replace
The spend-and-replace strategy maintains your bitcoin position while building the circular economy. When you spend 50,000 sats on groceries, you buy 50,000 sats (or earn them) at the next opportunity. Your net position stays the same. The difference is that you have routed economic activity through the Bitcoin network rather than through the banking system.
Over time, as more of your income arrives in bitcoin and more of your spending happens in bitcoin, the need to "replace" diminishes. The fiat intermediary becomes smaller. That is the transition.
Tax Considerations
In most jurisdictions, spending bitcoin is a taxable event — it is treated as a disposal of an asset. You are responsible for tracking the cost basis of the sats you spend and reporting any capital gain or loss. Tools like Koinly and CoinTracker automate this from wallet transaction data.
This is a friction that will diminish as bitcoin adoption grows and tax frameworks adjust. In the meantime, it is a cost of operating on a Bitcoin standard in a fiat-denominated legal system. It does not change the underlying logic of why the transition is worth making.