Overview
Every Bitcoin transaction follows a series of steps before it becomes a permanent part of the blockchain. These steps allow thousands of independent computers to verify and agree on the transaction without relying on a central authority.
Think of It Like Sending an Email
A Bitcoin Transaction
Imagine Alice wants to send 0.5 BTC to Bob.
- Alice creates the transaction in her wallet.
- Her wallet signs it with her private key.
- The transaction is broadcast to the Bitcoin network.
- Nodes verify that it follows Bitcoin's rules.
- It waits in the mempool.
- A miner includes it in a block.
- The block is added to the blockchain.
- Bob receives the bitcoin.
Interactive Learning
Bitcoin Transaction Simulator
Follow every step of a Bitcoin transaction from Alice's wallet to Bob.
What's happening?
Alice decides to send 0.5 BTC to Bob using her Bitcoin wallet.
Alice Creates a Transaction
Alice decides to send 0.5 BTC to Bob using her Bitcoin wallet.
What Are Confirmations?
Once a transaction is included in a block, it receives its first confirmation. Every new block added after that increases the number of confirmations, making the transaction increasingly difficult to reverse.
Why Wait?
Key Takeaways
Bitcoin transactions are digitally signed.
Nodes verify every transaction.
Valid transactions wait in the mempool.
Miners include transactions in new blocks.
Blocks become part of the blockchain.
Confirmations increase security.
Quick Quiz
Who verifies Bitcoin transactions before they enter a block?
Continue Learning
Continue building your Bitcoin knowledge with these guides.
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