Bitcoin: If no push opcode, how does item still end up on stack (tx verification)

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The Push Opcode: Understand the mechanics of Bitcoin transactions

In Bitcoin, transactions are processed in the network and are verified by nodes using complex algorithms. One of these algorithms is the Push Operation Code, which plays a crucial role in the transaction verification process. In this article, we will deepen how the Push operation code works and why it is essential that the element ends in the stack (TX verification).

What is the thrust operation code?

Push PAHO code is a protocol used by bitcoin nodes to verify transactions. It is an optimization technique that reduces computational overload of transaction verification. In simple terms, the Push Operation Code allows the nodes to push the data directly to the battery without having to read it from the disk or memory.

How does the thrust operation code work?

When a new transaction is created, the sender (Alice) sends it to the network, together with its public and signature. The receiver (Bob) receives the transaction, verifies its authenticity and includes it in its own transaction. To verify this transaction, the Bob Lee node from the disk or memory all the necessary data, including the Alice Pubkey script, the Pubkey hash, the firm and more.

The Push operation code is applied during this process. Here there is a step by step breakdown:

  • Pressing the Pubkey Script : The sender presses the Alice Pubkey Script in the battery.

  • Pushing the Pubkey hash : In response, Bob pushes his own PUILA HASH to the battery.

  • Pressing signature data : Bob also pushes the signature data of your private password.

Why does this happen?

To verify a transaction efficiently, the nodes must process all the necessary data or disk storage. By pushing these components directly to the battery, nodes can avoid loading them in memory or disc every time they are needed.

In particular, Push operation codes are useful to verify transactions that include multiple public key, signatures and other data elements. This reduces the overload of the transaction verification, which makes it faster and more efficient.

Example: Alice’s transaction

Let’s say Alice wants to send 10 bitcoins to Bob. Your transaction would be seen like this:

`Bitcoin

0x00 01 02 03 04 05 06 07 08 09 10 11 12

| (Integer Unsigned) | (Script pubkey) |

When Alice sends this transaction, your node applies the Push operation code to push the following data to the stack:

  • ALICE PUBKEY HASH (0x1234567890ABCDEF)

  • Bob's Pubkey Hash (0x234567890abcddef`)

The Bob node reads these values ​​from the disc or memory and verifies them as part of their transaction verification process.

Conclusion

In conclusion, the Push Operation Code is an intelligent optimization technique that reduces computational overload in bitcoin transactions. By pushing public keys, firms and other data elements directly in the pile, nodes can verify transactions efficiently and effectively. This optimization allows faster and more efficient network operations, which makes it an essential part of the bitcoin protocol.

I hope this article has helped you understand how the thrust operation code works and why it is crucial for the element to end in the pile (TX verification).

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