4# - What is Blockchain and why is it cool

Updated: May 13

Cardano Explained Without Jargon & Within 199 words

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A blockchain enables the transfer of value; just like a bank does. But a blockchain does it better in many ways:

  1. Coverage: A bank will not work if that other person does not have a bank account OR their bank's system is not integrated with yours. That alone excludes about 50% of the planet! A blockchain like Cardano allows you to send funds to anybody on this planet, even if they don't have a governmental identity!

  2. Speed: A bank transfer can take days to arrive. With Cardano, every transaction, no matter how large will arrive in about 20 seconds.

  3. Security: A bank stores everything on machines controlled by a single entity. The bank. Hence "centralized and trusted". If it fails you could lose all your funds. A blockchain is an interconnected network of many autonomous computers with a full copy of all transactions and balances. Hence "decentralized and trustless". Cardano has thousands of these so called nodes all over the world. The network can continue even when many of these nodes fail.

  4. Immutability Technically, a bank's ledger can be altered. A blockchain is built up in a way that it is nearly impossible to change historical transactions.



Please leave your comments below and let me know what other subjects you would want me to cover without Jargon & within 199 words.


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