What is a Blockchain? (Animated + Examples)
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What is a Blockchain? (Animated + Examples)
A blockchain is like a place where you store any data semi-publicly in a linear container space (the block). Anyone can verify that you’ve placed that information, because the container has your signature on it, but only you (or a program) can unlock what’s inside the container, because only you hold the private keys to that data, securely.
William Mougayar • The Business Blockchain: Promise, Practice, and Application of the Next Internet Technology
The second major feature of blockchains is that they’re typically public and open source, meaning that unlike a Google spreadsheet, anyone can inspect a public blockchain’s code or see a record of any transaction.
Kevin Roose • The Latecomer’s Guide to Crypto (Published 2022)
When used as a name for a data structure, blockchain refers to data put together into units called blocks . One can think of these blocks much like pages
Daniel Drescher • Blockchain Basics: A Non-Technical Introduction in 25 Steps
A blockchain is immutable: if you change a block, it changes the fingerprint. And since that fingerprint is included in the next block, the next block is changed too. And since that block's fingerprint... well, you get the idea. You end up with a domino effect where any change becomes evident. You can't alter any information without everyone notici... See more