Foundations of Blockchain

Transactions at a high level

Before diving into the low-level details of transactions and their components, let's look at an example that illustrates a simple Bitcoin transaction from the user's point of view. Let's say Alice sends 0.1 bitcoin from her Bitcoin wallet to Bob's wallet. Since she already has more than 0.1 bitcoin in her wallet, a valid transaction will be created and propagated to the network. Figure 5.3 shows the transaction details in a block explorer application:

Figure 5.3: Bitcoin transaction from Alice to Bob

All the transaction details shown in this section are created using Bitcoin's testnet blockchain. You can check ...