What is a hash and why does it matter?

by
Hash function converting input to hexadecimal output - what is a hash

Key takeaways: Introduction: When you think of a Bitcoin hash, you may think of a very complex code that is absolutely impossible to solve. But it’s not that complex to get your head around. In this post, we will talk about what a hash is and what its purpose is in the blockchain. What is … Read more

Glossary- Block

by
Blockchain block structure showing transactions and hash links

One-sentence definition:A block is a little list of transactions made online. Why it matters (2–3 sentences):Blocks matter since they are records of all the transactions made ever. Without a block, there would be no hash, and the entire blockchain would fall apart. Example (1 sentence):If there is alot of transactions, they all get recorded in … Read more

Glossary- Proof of Work

by
Proof of Work consensus mechanism showing miners solving cryptographic puzzles

One-sentence definition: Proof of work is used in blockchain systems where miners must solve computationally difficult puzzles to validate transactions and create new blocks, making it costly to attack the network. Why it matters: It matters because it shows where work was done and no one lied about it. Without the PoW, thousands of fake … Read more