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Blockchain and Smart Contracts Have a ‘Dark Side,' Says Researcher

Posted by Andries Van Tonder on June 05, 2020 - 9:09am Edited 6/5 at 9:10am

Blockchain and Smart Contracts Have a ‘Dark Side,’ Says Researcher

The immutability of blockchain ledgers and smart contracts have a “dark side,” argues UPenn professor Kevin Warbach.


Blockchain technology crystallizes the rise of “algorithmic power” that today presents a major challenge to traditional forms of sovereignty, legal authority and state-led governance.

So goes the argument in a new post on the Oxford University Faculty of Law blog on Monday by Kevin Warbach, a professor of legal studies and business ethics at the Wharton School of the University of Pennsylvania. Warbach’s forthcoming book After the Digital Tornado: Networks, Algorithms, Humanity will argue that blockchain technology could wreak unintentional havoc if its characteristics are not understood and tackled directly. For Warbach, the immutability of blockchain ledgers and the use of smart contracts — self-executing software code — have an implicit “dark side.” While they are designed to overcome the weaknesses of human or institutional intermediaries, the alternative they create has

its own inherent tensions:

“Contracts of any consequence are generally incomplete; that is to say, they do not precisely specify outcomes for every possible scenario. Smart contracts magnify this incompleteness. They can only express their terms in sharp-edged software code, eliminating the interpretive discretion of human judges and juries.”

While traditional contracts “backstop” human commitments with the legal force of the state, smart contracts use automated, code-enforced decision-making to establish confidence between parties. Attempting to do away with fallible human governance can be “seductive,” he states. Yet too strong a belief in the “perfectly rational vehicle” of computer code to regulate imperfect real-world behavior can have bad results — without any clarity as to who

has the power to resolve them:

“The dark side to immutability is that valid transactions cannot easily be reversed on a blockchain, not that invalid or illegitimate ones cannot be. Immutability creates the potential for catastrophic failures with no clear means of remediation.”

Blockchain technology more broadly should be addressed as a method of governance, poised on the “knife edge of freedom and constraints,” he writes. The paper concludes by recommending an approach that Warbach calls “governance by design.” This means recognizing that “perfect immutability creates systems with unacceptable fragility” that will require integrating governance mechanisms systematically — not as an afterthought — as the technology evolves.

Article Produced By
Marie Huillet

Marie Huillet is an independent filmmaker, with a background in journalism and publishing. Nomadic by nature, she’s lived in five different countries this decade. She’s fascinated by Blockchain technologies’ potential to reshape all aspects of our lives.

https://cointelegraph.com/news/blockchain-and-smart-contracts-have-a-dark-side-says-researcher

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Corneliu Boghian A very interesting article. Thanks for sharing Andries !
June 6, 2020 at 9:02am
Andries Van Tonder Thanks Otto
June 6, 2020 at 8:06am
Andries Van Tonder Thanks Charles & Stephan
June 6, 2020 at 5:52am
Charles Phillips This article is a thought-provoking read.Thanks for sharing, Andries
June 5, 2020 at 7:26pm
Andries Van Tonder Thank you Bill.
June 5, 2020 at 3:58pm
Bill Rippel A very interesting article. Thanks for sharing Andries.
June 5, 2020 at 1:57pm
Andries Van Tonder Thanks Marian & Thomas
June 5, 2020 at 12:57pm
Andries Van Tonder Thanks Simon & Susan.
June 5, 2020 at 11:14am
Simon Keighley Interesting news Andries - governance need to be integrated systematically through blockchain ledgers and smart contracts as the technology evolves. Thanks for sharing.
June 5, 2020 at 9:51am