A decentralized digital ledger that records all transactions across a network of computers. Known for its security and transparency, it's the underlying technology behind cryptocurrencies like Bitcoin. The blockchain's distributed nature makes it resistant to hacking, forging, or altering.
In a broader, casual context, "blockchain" might also refer to something complex and trendy that's often dropped in conversations to sound tech-savvy, whether or not it's entirely understood.
"With the rise of cryptocurrencies, the blockchain technology is revolutionizing the way we think about financial transactions."
"Dude, I have no idea what you just said, but you dropped 'blockchain' in there, so you must be on the cutting edge of tech!"
by wood2023 August 23, 2023
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Blockchain is digitized, decentralized and continuously growing public ledger that consist of records called blocks, which are linked and secured using cryptography
While it is most commonly associated with Bitcoin and other cryptocurrency applications, the blockchain is capable of so much more
by Manodino February 21, 2018
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Blockchain can include all kinds of distributed databases and applications with varying levels of decentralization.
When you buy a cryptocurrency, you might not know that the blockchain will be maintained.
by T.V. John June 19, 2019
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Dark Blockchain is a term that literally doesn't mean anything. It just sounds cool.
Employer: So, what are your past qualifications for this job?
Kevin: I am a dark blockchain expert.
by Terrain2 February 7, 2020
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Blockchain as a Service (BaaS) is an offering that allows customers to leverage cloud-based solutions to build, host and use their own blockchain apps, smart contracts and functions on the blockchain while the cloud-based service provider manages all the necessary tasks and activities to keep the infrastructure agile and operational.
BOB: I need to create a blockchain, who am I going to call?

ALICE: Call ChainZilla, they offer blockchain as a service
by bitcoinlover December 16, 2018
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When and individual is a dickhead and everyone discovers this at the same time and a consensuses is formed. Like the blockchain the opinion is immutable and cannot be changed.
Person A says "Donald Trump is a blockchain dickhead" and Persons B, C, D, E...X, Y & Z confirm through independent verification and say "Yes I independently verify this"
by MarioKart7 September 26, 2018
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The Blockchain Information Model is a digital 3d representation of manufacturers’ products that access an incorruptible digital ledger in a distributed database.
Blockchain information modeling promises to bring as much radical change to the retail value chain as did the Internet.
by BurntPinon July 23, 2017
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