To send bitcoin, you need a Bitcoin wallet app—it holds your private keys and broadcasts your transactions to the network. There are mobile wallets, desktop wallets, and hardware wallets; this guide focuses on mobile apps and the step-by-step process of making a payment.
Figure Out Who Controls the Private Keys
A wallet app does not store bitcoin in the way a bank stores cash. The bitcoin lives on the blockchain, and the app manages the private keys that let you spend it. If you control the keys, you control the coins. If someone else controls them, you only own an IOU from that platform.
How do you tell the difference? A self-custody wallet walks you through creating a seed phrase—usually a list of English words—when you first set it up. A custodial account, like the app of a centralized exchange, does not ask you to back up a seed phrase because the platform holds the keys.
Sending from an exchange app means requesting a withdrawal that has to pass the platform's risk checks. Sending from a self-custody wallet broadcasts a transaction directly to the Bitcoin network. The two workflows look different, so know which one you are dealing with before you start.
Back Up Your Seed Phrase First
When you install a new wallet, the app will ask you to write down a seed phrase. Write the words on paper, in order. Do not take a screenshot, save it in your notes app, or send it through any chat service. The seed phrase is a backup of your private keys; anyone who reads it can move your coins.
Confirm that the backup is complete before you send anything. Many wallets ask you to verify a few words in order during setup, which catches transcription mistakes. If your app skips that step, test yourself by reciting the phrase back before you rely on it.
No official support team will ever message you and ask for your seed phrase. If someone writes to you claiming your account is abnormal and needs "wallet verification," that is a scam. Block them.
Step-by-Step: Sending a Transaction
Open the wallet and tap Send or Transfer. You will normally see three inputs: the recipient's address, the amount, and the network fee.
The recipient address is a long string of letters and numbers, typically with a specific prefix. Paste it rather than typing it from memory. Some wallets let you scan a QR code; this is safe when you scan the code in person, but be careful with codes sent through chat or email.
The amount is usually entered in BTC. The app often shows a fiat reference value, but the exact bitcoin amount is what matters. If you agreed on a dollar figure with the recipient, convert it to BTC before confirming.
The fee is your payment to miners for including the transaction in a block. Higher fees speed things up; low fees can leave a payment stuck. Until you are comfortable with fee levels, use the app's recommended or normal fee instead of manually setting the lowest option.
The confirmation screen repeats the address, amount, fee, and total to be deducted. Read all four carefully, then confirm. Bitcoin payments cannot be reversed—there is no cancel button once the transaction propagates through the network.
Common Scams to Watch For
Fake support is the most widespread scam. Someone DMs you claiming to be wallet support, says there is a problem with your account, and asks for your seed phrase. Legitimate teams do not initiate contact this way and never request seed phrases. Block and report.
QR-code tricks matter too. A malicious "payment code" can encode a different address than the one you expect. Only scan codes you can verify at the source, and check the first few characters of the address after scanning.
Fake wallet apps are another danger. A lookalike app published outside the official store can steal coins the moment you log in. Download only from the official app store for your device, and compare the developer name before installing.
A fourth scam uses a small bait payment: a stranger sends you some bitcoin, then directs you to a phishing page to "confirm receipt." The page asks for your seed phrase. Treat unsolicited incoming transactions as suspicious and close any page that requests your seed words.
Why a Transaction Might Not Go Through
Insufficient balance is the most common cause of a rejected send. Bitcoin uses a UTXO model: your coins arrive as separate chunks, and any chunk that has not yet been confirmed cannot be spent. The app's available balance normally reflects this, but if you just received money, wait for at least one confirmation before spending it.
An overly low fee can leave a transaction in the mempool for hours. Some wallets offer a fee bump or acceleration feature; others do not. If nothing is available, you can wait for the network to clear or, if the transaction is dropped and returned to your balance, resend with a higher fee.
A malformed address, for example one with a failed checksum, is rejected before broadcast. That error message is the wallet protecting you from sending to a mistyped destination. Paste the address again and compare the start and end carefully.
After You Send: Confirmation and Records
Once broadcast, the app shows a transaction ID, or TXID. Save it. You can use it in a block explorer to see which block included the transaction, how many confirmations it has, and what fee was paid.
The more confirmations a transaction has, the harder it becomes to reverse. For large amounts, most people wait until the payment has several confirmations before treating it as final.
Keeping Your Wallet Healthy
A mobile wallet is a hot wallet: it is connected to the internet, which means it is exposed to malware and phishing. It is a reasonable place to keep spending money, not a vault. For meaningful savings, move most of your bitcoin to a hardware wallet or another cold-storage solution.
Install wallet updates when they are released. Updates frequently patch security issues, and skipping them leaves known holes open. Also review app permissions: a bitcoin wallet has no legitimate need for your contacts, SMS, or location. If an app asks for those, uninstall it.
FAQ
What app can I use to send bitcoin?
Use a Bitcoin wallet app that gives you control of the private keys, and download it from the official app store for your device. Mobile wallets are convenient for everyday spending; a hardware wallet is a safer place for larger amounts.
Can I send bitcoin with PayPal, Venmo, or other payment apps?
Not directly. Payment apps move government-issued currency, not bitcoin. To send bitcoin you need a bitcoin wallet app, or a withdrawal function on a platform that custodies bitcoin for you.
What is the minimum amount of bitcoin I can send?
Bitcoin's smallest unit is one satoshi, or one hundred millionth of a BTC, so technically a payment can be tiny. In practice, the network fee often costs more than a very small transfer, so keeping the amount well above the fee is common sense.
How long does a bitcoin transfer take?
Once miners confirm the transaction, the payment is complete. Most transactions confirm reasonably quickly, but during network congestion or with a low fee it can take much longer.
Can a wrong or duplicate bitcoin payment be recovered?
No. A confirmed transaction is final. Copy the address carefully, send a small test amount for large payments, and double-check the fee before you confirm.
Bitcoin transfers are one-way and irreversible. The app is just a tool; your backup discipline and checking routine are what keep your coins safe. Before each send, pause, and verify the address, amount, and fee one last time.