โ Lesson 92: What Is a Block in Blockchain? ๐งฑ
Now that we understand what a blockchain is, letโs break down the word itself โ starting with the โblock.โ
So, whatโs actually inside a block?
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๐ A block is just a container of data.
It holds a bunch of transactions that happened around the same time.
Once the block is full, it gets sealed and added to the chain.
Every block usually contains:
โ A list of verified transactions
โฑ A time-stamp
๐ข A unique hash (digital fingerprint)
๐ A reference to the previous blockโs hash
Thatโs how they stay linked โ like puzzle pieces that only fit in one order.
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๐ Why it matters:
This system keeps everything secure and in order.
If someone tries to change a transaction in an old block, it breaks the link โ and the network will instantly reject it.
Itโs smart, clean, and powerful.
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๐ก Without blocks, there is no blockchain.
Theyโre the foundation of every crypto you know โ Bitcoin, Ethereum, BNBโฆ all of them.
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