What are blockchains?

is a database that contains the history of whatever information it was designed to store. It is made up of a string of “blocks” of information that build on top of one another in an immutable chain., one of the first blockchains, was built in 2009. It stores data on transactions in bitcoin, providing proof of who owns what at any time.

Computers race to solve a cryptographic problem—the first to do so wins newly mined coins—and a new block is added., store more information, such as lines of computer code. A function or application that can be programmed in code can be guaranteed to operate as written. The Ethereum blockchain offers proof that the code was executed.

There is much on blockchains & supplychains. May I offer that discussions do not recognize the size, complexity, & number of participants in supply chains, especially for upstream/inbound. There are gaps in what is *seen* vs exists. Need more for ChainOfCustody & control.

مقال مفيد عن البلوك تشين قاعدة بيانات ظهرت ٢٠٠٩ ، بمثابة سجل حسابات يوثق فيه سندات تملك أي شئ، وتتميز هذا القاعدة أنها منتشرة وغير مركزية وتحدث باستمرار ومنها خرجت عملة البيتكوين

Blockchain is bulls*it

nice

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