課程大綱：區(qū)塊鏈系統(tǒng)培訓(xùn)
Authenticating Transactions and Distributing Data to Peers
During this initial week we will start by looking at how the blockchain data
are shared among nodes in the peer-to-peer network over
the internet and how the interconnectivity of the nodes is managed.
Determining the Canonical Version of a Blockchain
We will continue to look more closely at how nodes add blocks to the data structure with the goal
of maintaining a consistent transaction history.
We’ll also see that multiple histories can sometimes arise due to a variety of factors ranging from benign,
but unpredictable, node outages to intentional malfeasance.
This requires that the system have a means of collectively determining which single history is the correct one.
We’ll explore two approaches to achieve this: the longest chain criterion and
the heaviest chain criterion and practice applying the principles that we have learned in this week’s assignment.
Blockchain Limitations
The blockchain is not a perfect system and indeed has its limitations.
We will explore some of the constraints of the blockchain and address the issues that cause such limitations.
Organizational Applications of Blockchain
We will finish the course by exploring other opportunities for using a blockchain approach
to decentralize what have been heretofore centralized industries
in which individual entities have controlled or consolidated information.
We will develop ideas for applying a blockchain approach to industries other than cryptofinance.
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