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Tim Roughgarden @timroughgarden.bsky.social · 20d

New research center focused on blockchain infrastructure @columbiaseas.bsky.social ! Made possible by @ethereumfoundation.bsky.social . Super-excited about this, more to
come!

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

Launch announcement here: www.engineering.columbia.edu/about/news/c...

Columbia Engineering and Ethereum Foundation Launch Research Center to Advance Blockchain Infrastructure | Columbia Engineering

The Center will support research and education to advance the development and understanding of blockchain protocols and their applications.

www.engineering.columbia.edu

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

8) The center is also hiring for a Managing Director who will help lead its day-to-day operations. You can learn more about this role here: opportunities.columbia.edu/jobs/3e03b12...

Managing Director, Blockchain Research Center - Morningside, New York, United States

Job Type: Officer of Administration Regular/Temporary: Regular Hours Per Week: 35 Salary Range: $125,000- $140,000 The salary of the finalist selected for this role will be set based on a variety of ...

opportunities.columbia.edu

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

7) PhD graduates interested in postdoc opportunities, get in touch!

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

6) You can support the center and its mission at app.endaoment.org/cu-eth; all donations (up to $500K/year) will be generously matched by @ethereumfndn ! Note that gifts to Columbia University are fully tax-deductible (EIN 13-5598093).

The Columbia-Ethereum Research Center for Blockchain Protocol Design | Endaoment

Donate & support to The Columbia-Ethereum Research Center for Blockchain Protocol Design, or make a new grant recommendation from a fund. Visit Endaoment & start giving.

app.endaoment.org

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

5) To learn more about the center and its activities, visit www.engineering.columbia.edu/blockchain-p... (the site will be fleshed out over the next couple of weeks)

The Columbia-Ethereum Research Center for Blockchain Protocol Design | Columbia Engineering

The Columbia-Ethereum Center for Blockchain Protocol Design brings together the multi-disciplinary expertise at Columbia to advance the performance, security, robustness, and economics of this societa...

www.engineering.columbia.edu

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

4) personnel such as postdoctoral research scholars and industry researchers-in-residence; and events such as the Columbia Cryptoeconomics Workshop and an annual summer school.

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cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

3) The center’s funds will be used to support fundamental and practically important research on blockchain technology by Columbia students, faculty, and their collaborators;

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

2) The center’s mission is to support research and education to advance the development and understanding of blockchain protocols and their applications.

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Reposted by Tim Roughgarden

cu-eth-research.bsky.social @cu-eth-research.bsky.social · 20d

1) Thrilled to announce the launch of the new Columbia-Ethereum Research Center on Blockchain Protocol Design! This center will be hosted by @columbiaseas.bsky.social, with funding support by @ethereum.foundation, and directed by
@timroughgarden.bsky.social en.bsky.social.

Bluesky

en.bsky.social

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Reposted by Tim Roughgarden

Stefan Neumann @neumannstefan.com · Jun 30

Check out the latest edition of the EATCS Bulletin, featuring @timroughgarden.bsky.social on how he built one of the most successful TCS YouTube channels—with over 1 million views.

The other articles are also very exciting. Have a look!

www.eatcs.org/images/bulle...

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Reposted by Tim Roughgarden

VSET Virtual Seminars in Economic Theory @vset.bsky.social · May 29

This seminar by @timroughgarden.bsky.social is today!

VSET Virtual Seminars in Economic Theory @vset.bsky.social · May 23

Tim Roughgarden (a16z crypto and Columbia) is giving a seminar on Thursday, 29 May 2025: "Shill-Proof Auctions" (with Andrew Komo and Scott Kominers). Guest panellists: Marek Pycia and Zhou Yu. @timroughgarden.bsky.social @skominers.bsky.social

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Reposted by Tim Roughgarden

VSET Virtual Seminars in Economic Theory @vset.bsky.social · May 23

Tim Roughgarden (a16z crypto and Columbia) is giving a seminar on Thursday, 29 May 2025: "Shill-Proof Auctions" (with Andrew Komo and Scott Kominers). Guest panellists: Marek Pycia and Zhou Yu. @timroughgarden.bsky.social @skominers.bsky.social

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Tim Roughgarden @timroughgarden.bsky.social · Feb 10

Start here: m.youtube.com/watch?v=wiMp...

Mental Models for Blockchain Protocols and Web3

YouTube video by Tim Roughgarden Lectures

m.youtube.com

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Tim Roughgarden @timroughgarden.bsky.social · Feb 10

See the old CS364A websites linked here: timroughgarden.org/teaching.html

Tim Roughgarden's Courses

timroughgarden.org

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Tim Roughgarden @timroughgarden.bsky.social · Feb 9

🙏🙏🙏
See also full set of video lectures at m.youtube.com/playlist?lis...

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Reposted by Tim Roughgarden

Aaron Roth @aaroth.bsky.social · Dec 30

EC 2025 will be held at Stanford from July 7-12. Itai Ashlagi and I are the chairs. The abstract deadline is February 3, and the paper deadline is February 10. The scope is inclusive of many topics across CS, economics, and operations research. Submit your best work!

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Tim Roughgarden @timroughgarden.bsky.social · Dec 17

microfoundations for the price of anarchy 🔥🔥🔥

Yannai A. Gonczarowski @yannaigonch.bsky.social · Dec 17

🚨New Paper🚨
𝐐𝐮𝐚𝐧𝐭𝐢𝐟𝐲𝐢𝐧𝐠 𝐈𝐧𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲
Joint with Ella Segev

Social choice theory provides ways for aggregating the preferences of individuals in a society, to tell us what is better for society: alternative a or alternative b. However, this theory is silent on 𝑏𝑦 ℎ𝑜𝑤 𝑚𝑢𝑐ℎ a is better than b. 1/9

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Reposted by Tim Roughgarden

roberto-bayardo.bsky.social @roberto-bayardo.bsky.social · Dec 12

Good lecture explaining the value prop of blockchains/web3 for a non-technical but technically curious audience from @timroughgarden.bsky.social
www.youtube.com/watch?v=wiMp...

Mental Models for Blockchain Protocols and Web3

YouTube video by Tim Roughgarden Lectures

www.youtube.com

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Reposted by Tim Roughgarden

Alon Eden @aloneden.bsky.social · Dec 11

I'm so happy the excellent EC tutorials are available online:
www.youtube.com/playlist?lis...

Thanks Laura Doval for taking the lead on this (also thanks @yannaigonch.bsky.social and whoever was involved from @acmsigecom.bsky.social).

EC 2024 Tutorials - YouTube

Tutorials from the 25th ACM Conference on Economics and Computation (EC'24), New Haven, CT, June 25–27, 2020.

www.youtube.com

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Reposted by Tim Roughgarden

Michal Feldman @michal-feldman.bsky.social · Dec 10

All videos of #ACMEC24 workshops are now online on the @acmsigecom.bsky.social YouTube channel:

www.youtube.com/playlist?lis...

Thank you @yannaigonch.bsky.social

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Tim Roughgarden @timroughgarden.bsky.social · Dec 1

A thank-you email from a Chinese stutent for Algorithms Illuminated translated in part as "your book is my learning algorithm prairie fire"

Not sure what the "correct" translation should be but it can't be any cooler than that

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Tim Roughgarden @timroughgarden.bsky.social · Nov 29

just remembered that one time when Bernard Chazelle proved that, unlike 99.9999% of humans, birds totally understand the Ackermann hierarchy arxiv.org/pdf/0905.4241

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Aaron Roth @aaroth.bsky.social · Nov 27

Check out Tim Roughgarden's (@timroughgarden.bsky.social ) survey here: arxiv.org/abs/1806.09817 and accompanying book: www.cambridge.org/core/books/b... These are a good guide to the variety of ways folks have thought about these questions.

Beyond Worst-Case Analysis

In the worst-case analysis of algorithms, the overall performance of an algorithm is summarized by its worst performance on any input. This approach has countless success stories, but there are also i...

arxiv.org

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Tim Roughgarden @timroughgarden.bsky.social · Nov 25

What are the most conceptually satisfying and/or generally accepted mathematical explanations to date of the unreasonably good generalization properties of overparameterized models?

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