Who called it "blockchain"?

[book1483]

Couple weeks ago I woke up and started wandering who and when the term blockchain was first used to describe the technology behind bitcoin. There is a lot of history about blockchain on the internet, but I'm curious when the term blockchain first started being used, and who called it blockchain? Was it an expert such as Nick Szabo? Was it the bitcointalk community?

I've read the bitcoin white paper numerous times, and I know Satoshi does not refer to it as blockchain, though he does use both terms block and chain in his paper.

I've also read Mastering Bitcoin by Andreas M. Antonopouos, and though chapter 9 is dedicated to blockchain, Andreas focus is on construction of the blockchain, and not where it came from.

I've also reviewed all the sources that the Bitcoin white paper references, and none of them use the term blockchain. Though many would agree the paper, "S. Haber, W.S. Stornetta, "How to time-stamp a digital document," In Journal of Cryptology, vol 3, no 2, pages 99-111, 1991." is an early form of blockchain.

I've searched bitcointalk, bitcoin wiki, and even watched Banking on Bitcoin but did not find what I was looking for.
Google search has given me multiple articles which all talk about "experts" beginning to shift focus from bitcoin to blockchain around 2014. But this does not answer my questions.

Can somebody point me in the right direction so I can finally sleep again?

Thanks!!

[Ludji]

Interesting question, I looked it up earlier this summer and, unfortunately, the results aren't satisfactory but do shed some light on the topic. Have a look at the following links:

https://ethereum.stackexchange.com/questions/4454/who-coined-the-term-block-chain

https://satoshi.nakamotoinstitute.org/emails/cryptography/6/ - First known usage of the word "block chain" by Hal Finney in 2016

The words block and chain were used separately in Satoshi Nakamoto's original paper but were eventually popularized as a single word - blockchain, by 2016 -Wikipedia

Hope it helped you!

[joniboini]

https://satoshi.nakamotoinstitute.org/emails/cryptography/6/ - First known usage of the word "block chain" by Hal Finney in 2016

Looking at the email, it was first mentioned by Hal in 2008, not 2016.
It is also impossible for Hal to do that since he died in 2014 and satoshi went offline after 2010.

[book1483]

Interesting question, I looked it up earlier this summer and, unfortunately, the results aren't satisfactory but do shed some light on the topic. Have a look at the following links:

https://ethereum.stackexchange.com/questions/4454/who-coined-the-term-block-chain

https://satoshi.nakamotoinstitute.org/emails/cryptography/6/ - First known usage of the word "block chain" by Hal Finney in 2016

The words block and chain were used separately in Satoshi Nakamoto's original paper but were eventually popularized as a single word - blockchain, by 2016 -Wikipedia

Hope it helped you!

Thanks for the info. That helps.

[LeGaulois]

Interesting question, I looked it up earlier this summer and, unfortunately, the results aren't satisfactory but do shed some light on the topic. Have a look at the following links:

https://ethereum.stackexchange.com/questions/4454/who-coined-the-term-block-chain

https://satoshi.nakamotoinstitute.org/emails/cryptography/6/ - First known usage of the word "block chain" by Hal Finney in 2016

The words block and chain were used separately in Satoshi Nakamoto's original paper but were eventually popularized as a single word - blockchain, by 2016 -Wikipedia

Hope it helped you!

Wrong.
Hal passed away 4 or 5 years ago (I don't remember exactly). Not sure where you got this since it isn't mentioned in the link you posted. (or I missed it) But it's definitely wrong as Hal wasn't alive in 2016

[nakamura12]

Wrong.
Hal passed away 4 or 5 years ago (I don't remember exactly). Not sure where you got this since it isn't mentioned in the link you posted. (or I missed it) But it's definitely wrong as Hal wasn't alive in 2016

Harold Thomas Finney II or a.k.a Hal finney died on August 28, 2014 so that's 4 years ago and you are right it is mentioned in 2008 when Hal Finney is still alive in 2008. Hal Finney was an early Bitcoin user and received the first bitcoin transaction from Bitcoin's creator Satoshi Nakamoto.

[pooya87]

the reason why you can't find anything might be because the word "blockchain" is not such a new word. it is simply literal explanation of what it is describing which is a "block-chain" or a "chain of blocks".

Google search has given me multiple articles which all talk about "experts" beginning to shift focus from bitcoin to blockchain around 2014.

those articles are pointing out either one of two things. the fact that bitcoin is open source so anyone can use it, so many groups such as banks wanted to take the technology and create their own centralized version of it. and the other thing is that they are advertising altcoins by trying to say "experts" are moving to altcoins, it started last year with the purpose of pumping altcoins.

[book1483]

the reason why you can't find anything might be because the word "blockchain" is not such a new word. it is simply literal explanation of what it is describing which is a "block-chain" or a "chain of blocks".

Google search has given me multiple articles which all talk about "experts" beginning to shift focus from bitcoin to blockchain around 2014.

those articles are pointing out either one of two things. the fact that bitcoin is open source so anyone can use it, so many groups such as banks wanted to take the technology and create their own centralized version of it. and the other thing is that they are advertising altcoins by trying to say "experts" are moving to altcoins, it started last year with the purpose of pumping altcoins.

I see. Thanks for the explanation.

[fryzer]

I think that it is logical, place where is data it is block and they are connected, consequently blockchain.

[nakamura12]

I think that it is logical, place where is data it is block and they are connected, consequently blockchain.

Indeed, blocks are connected in some way. Conmected blocks means the new block that will be created is based on the previous block or parent block that's what blockchain means right now as older blocks contain data about bitcoin and thd next block had the same data but there's new data added. In short A parent block give birth to new block.

[logitechwow]

The decoding of the name has already been written, but still, this banal information can be found in any informative source.

[Harlod Benjamin]

 I don't much care about that. I'm only concerned that how blockchain will help me in getting profit for bitcoin. Another is meaningless . I'm sorry to say that

[Bitfort]

Interesting question. Hard to answer. I think blockchain.info (registered 2011) can be one of the first concatenation of those two separately used words in bitcoin paper.
   

[Harvey-Connan]

Blockchain was first invented and designed by Satoshi Nakamoto in 2008 and was realized the following year as a core part of Bitcoin, as blockchain technology acts as a ledger for all. deal.