21Relay
Beginner curriculum
Lesson 2112 minReviewed July 2026

Make Your First Bitcoin Transaction

Follow a careful first Bitcoin payment from preparing the wallet to checking the transaction on the network.

Learning outcomes

By the end of this lesson, you should be able to

  • Confirm whether the payment uses Bitcoin on-chain or Lightning.
  • Start with a small amount and a wallet whose backup is complete.
  • Verify the destination on a trusted display.
  • Review the fee separately from the amount being sent.
1

Prepare before pressing send

Use a wallet you understand, complete its backup process and keep only a small learning amount available. Confirm whether the recipient expects an on-chain Bitcoin payment or a Lightning payment; they use different payment details and should not be guessed.

Agree on the amount and who will pay any service or network fees. Bitcoin payments are normally irreversible, so a small first transaction limits the cost of a mistake.

2

Verify the destination

Ask the recipient to generate a fresh receive request. Scan its QR code or paste the address, then compare the beginning and end of the destination shown by your wallet with the recipient's trusted display.

Do not copy an address from an old screenshot or an unexpected message. Malware can replace clipboard contents, and a Bitcoin address that looks plausible may belong to an attacker.

3

Review amount, network and fee

Before confirming, check the destination, amount, selected network and network fee on the final review screen. The fee pays for block space and is separate from the amount the recipient receives.

A higher fee can improve confirmation priority when blocks are busy, but overpaying is unnecessary. Use your wallet's current estimate and avoid changing advanced fee controls during a first transaction unless you understand them.

4

Send and confirm the result

After broadcasting, the wallet should show a transaction ID and an unconfirmed status. The recipient may detect the transaction quickly, but final settlement policies vary; larger payments commonly wait for more confirmations.

Use the transaction ID in a reputable block explorer if you need to inspect status. Record what you learned, and do not send again merely because the first transaction has not confirmed immediately.

Visual recap

Your first on-chain payment

Every review happens before the irreversible broadcast step.

01

Create receive request

02

Verify address

03

Enter amount

04

Review network and fee

05

Broadcast

06

Track confirmation

Key vocabulary

Terms worth knowing

Destination address
The encoded payment destination supplied by the receiver.
Fee rate
The fee paid relative to transaction virtual size, commonly expressed in sat/vB.
Confirmation
Evidence that a transaction has been included in a block accepted by the network.

Worked example

A cautious first send

A learner must send 20,000 sats. The address is long, the fee estimate changes and the receiver says the payment is urgent.

  1. 1Confirm the address through the intended communication channel
  2. 2Check the network and amount units
  3. 3Review the fee and wallet summary
  4. 4Send a small test when the value or destination warrants it
  5. 5Verify the transaction status independently

Urgency should never replace verification. A deliberate review is cheaper than trying to recover from an irreversible mistake.

Common misconceptions

What learners often get wrong

Misconception

A copied address is automatically correct.

More accurate

Clipboard malware and communication mistakes can replace or corrupt a destination; compare it with the receiver's request.

Misconception

Zero confirmations means the payment does not exist.

More accurate

It may be valid and visible but not yet included in a block; the appropriate confidence depends on context and risk.

Try it yourself

Rehearse a send without broadcasting it.

  • Open a wallet's send screen with no real secret entered into this site
  • Identify network, destination, amount and fee fields
  • Locate the final confirmation screen
  • Explain which details you would verify and why

Use fictional values and public information only. Never enter seed words, private keys or other wallet secrets into a learning exercise.

Key takeaways

  • Confirm whether the payment uses Bitcoin on-chain or Lightning.
  • Start with a small amount and a wallet whose backup is complete.
  • Verify the destination on a trusted display.
  • Review the fee separately from the amount being sent.
  • A transaction ID lets you inspect confirmation status without exposing private keys.

Lesson recap

Check what you learned

Reveal each model answer, then honestly mark whether you understood it or need another review.

1 of 3

Recall

What four details should be checked on the final review screen before an on-chain Bitcoin payment is broadcast?

References

Further reading

Lesson progress

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