What is Blockchain?


“A block chain or blockchain is a distributed database that maintains a continuously-growing list of transaction records hardened against tampering and revision. It consists of data structure blocks—which hold exclusively data in initial blockchain implementations, and both data and programs in some of the more recent implementations—with each block holding batches of individual transactions and the results of any blockchain executables.Each block contains a timestamp and information linking it to a previous block. The block chain is seen as the main technical innovation of bitcoin, where it serves as the public ledger of all bitcoin transactions.Bitcoin is peer-to-peer, every user is allowed to connect to the network, send new transactions to it, verify transactions, and create new blocks, which is why it is called permissionless. This original design has been the inspiration for other cryptocurrencies and distributed databases.” --Wikipedia

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(1) How might this technology be relevant to the educational sector you know best?

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(2) What themes are missing from the above description that you think are important?

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(3) What do you see as the potential impact of this technology on higher education?

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