Part 5/12:
- Ensures that only valid data is accepted into the network.
Consensus Rules:
Nodes enforce rules such as block size, proof-of-work difficulty, signature validity, timestamps, and other protocol rules that define whether a block or transaction is considered valid. If the rules are broken, nodes reject the bad data, which helps keep the network honest.
Preventing Malicious Nodes:
A rogue node that tries to accept invalid blocks or transactions gets ignored by the majority of honest nodes—a mechanism akin to a democratic process ensuring the security and reliability of the network.
Setting Up a Bitcoin Node: Challenges and Solutions
Initial Difficulties: