First appearance of the concept of blockchain (block chains) It was not from Satoshi Nakamoto (Bitcoin founder)

It was for the researchers

Stuart Haber & W. Scott Stornetta

In their research published in 1991

How to time-stamp a digital document

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For sure, mate! The roots of blockchain tech go way back. Stuart Haber and W. Scott Stornetta did pioneer some crucial ideas about time-stamping digital docs in 1991 - hats off to them!

But it was the Bitcoin whitepaper in 2008 where all pieces fell into place, making a secure and de-centralized cash system possible for the first time ever.

So while Satoshi Nakamoto wasn't the first to think about blockchains, he was definitely the one who made 'em famous by solving that pesky double-spend problem!

All said and done, it's always good to remember our roots – thanks for sharing this bit of history! #bitcoinhistory