I wrote an easy article for dummies to understand what blockchain is

https://ez4crypto.medium.com/easy-to-understand-what-is-blockchain-explained-with-simple-analogies-1609ddd0610?source=user_profile---------0----------------------------

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*edit1: I just made an account with nickname "Ez4Crypto" because that will be the nickname I will use for my future articles + engaging in crypto communities. Sorry for scaring you all

TLDR: In Blockchain system, each blocks of individuals contains transaction record (and etc) and they cannot be manipulated since it constantly refreshes to match the majority's record when something is changed.