Tim Roughgarden Profile
Tim Roughgarden

@Tim_Roughgarden

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Head of Research @a16z. Prof @Columbia. Theoretical computer scientist. Educator. Wrote Algorithms Illuminated, 20 Lectures on Algorithmic Game Theory, etc.

NYC
Joined March 2012
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@Tim_Roughgarden
Tim Roughgarden
3 years
Coming soon to your favorite bookseller:
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@Tim_Roughgarden
Tim Roughgarden
5 days
Reminder that the CCE workshop is happening at Columbia December 10+11!
@cu_eth_research
Columbia-Ethereum Research Center
25 days
Announcing the 2025 Columbia Cryptoeconomics (CCE) Workshop, December 10+11 at @Columbia (link in replies). Confirmed speakers include @BenBerg07141321 @liobaheimbach @ks_kulk @AndrewLewisPye @mikeneuder @noamnisan @malleshpai @Tim_Roughgarden Maria Inês Silva @ssrivatsan97
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@skominers
Scott Kominers
17 days
One of the most powerful yet least well-understood token types is the arcade token. 👾🪙👀 The name comes from the idea of an arcade where you swap cash for physical tokens you can use to play Tekken Gator Panic – but the idea encompasses all manner of
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@milesjennings
miles jennings
17 days
Network tokens are great for distributing network ownership and eliminating control. But what if you want to expand your network while maintaining control of its economy, all without the noise of speculation? Enter: Arcade Tokens https://t.co/okKr0IsDkH
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a16zcrypto.com
A token with a relatively stable value within a specific software or product ecosystem, often managed by an issuer, often misunderstood
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@Tim_Roughgarden
Tim Roughgarden
17 days
New primer on arcade tokens with my ever-amazing @a16zcrypto colleagues @skominers @eddylazzarin @milesjennings
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@Tim_Roughgarden
Tim Roughgarden
19 days
SBC will be at Stanford next summer, plan to submit your best research papers!
@AriJuels
Ari Juels
20 days
The Science of Blockchain Conference (SBC) '26 submission server is now open! Talk submission deadline: 13 March 2026. Submission server: https://t.co/3xJLQTWJMR Conference website: https://t.co/G0Q6U8w2ZK
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@Tim_Roughgarden
Tim Roughgarden
25 days
CCE '25 coming up next month!
@cu_eth_research
Columbia-Ethereum Research Center
25 days
Announcing the 2025 Columbia Cryptoeconomics (CCE) Workshop, December 10+11 at @Columbia (link in replies). Confirmed speakers include @BenBerg07141321 @liobaheimbach @ks_kulk @AndrewLewisPye @mikeneuder @noamnisan @malleshpai @Tim_Roughgarden Maria Inês Silva @ssrivatsan97
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@cu_eth_research
Columbia-Ethereum Research Center
25 days
For more details and to apply, see
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@cu_eth_research
Columbia-Ethereum Research Center
25 days
Announcing the 2025 Columbia Cryptoeconomics (CCE) Workshop, December 10+11 at @Columbia (link in replies). Confirmed speakers include @BenBerg07141321 @liobaheimbach @ks_kulk @AndrewLewisPye @mikeneuder @noamnisan @malleshpai @Tim_Roughgarden Maria Inês Silva @ssrivatsan97
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@AndrewLewisPye
Andrew Lewis-Pye
1 month
Very pleased our paper, "The economic limits of permissionless consensus", won best theory paper at the Defi awards this year! Here is the talk: https://t.co/wpnEGsdVSd. Joint work with @Tim_Roughgarden and @ebudish.
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@AndrewLewisPye
Andrew Lewis-Pye
2 months
Tomorrow at CCS @jneu_net will talk about our Accountable Liveness paper ( https://t.co/bZmEETcS4x). It's well-known how to attribute blame (slashing conditions) when there is a safety violation. Doing the same for liveness violations is harder, but we pin down when it's possible.
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eprint.iacr.org
Safety and liveness are the two classical security properties of consensus protocols. Recent works have strengthened safety with accountability: should any safety violation occur, a sizable fraction...
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@Tim_Roughgarden
Tim Roughgarden
2 months
2/2 Summer '25 playlist here:
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youtube.com
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@Tim_Roughgarden
Tim Roughgarden
2 months
1/2 As always, tons of great research seminars last summer @a16zcrypto, with topics ranging from consensus protocols to mechanism design to zk/TEEs/MPC to governance to MEV. And as always, we're making them publicly available. First two, by @jneu_net and Ling Ren, just posted!
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@_mahimna
Mahimna Kelkar
2 months
Highly recommended! Direct quote from my thesis: "Discussions during my stay at a16z crypto were a significant inspiration for the research vision in this dissertation."
@Tim_Roughgarden
Tim Roughgarden
2 months
We've had 25 research interns over the past four summers @a16crypto, many of whom are now among the most visible researchers in the space. If you'd like to be a part of the summer '26 cohort, apply here:
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@ElodinStorm
Yuval Efron
2 months
It is quite ineffable how spectacular this program is. Do yourself a favor and apply!
@Tim_Roughgarden
Tim Roughgarden
2 months
We've had 25 research interns over the past four summers @a16crypto, many of whom are now among the most visible researchers in the space. If you'd like to be a part of the summer '26 cohort, apply here:
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@Tim_Roughgarden
Tim Roughgarden
2 months
We've had 25 research interns over the past four summers @a16crypto, many of whom are now among the most visible researchers in the space. If you'd like to be a part of the summer '26 cohort, apply here:
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a16z.com
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@Tim_Roughgarden
Tim Roughgarden
2 months
Brief video about the new center @cu_eth_research (also on the center's page on @endaomentdotorg that we're using to accept donations and unlock additional matching funds from @ethereumfndn)
@Tim_Roughgarden
Tim Roughgarden
2 months
New research center focused on blockchain infrastructure @CUSEAS ! Made possible by @ethereumfndn. Super-excited about this, more to come!
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@CUSEAS
Columbia Engineering
2 months
Excited to announce the launch of the Columbia-Ethereum Research Center for Blockchain Protocol Design — a new interdisciplinary hub created in partnership with the Ethereum Foundation. Read the announcement: https://t.co/MiB7ZlZ9iu
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@Tim_Roughgarden
Tim Roughgarden
2 months
New research center focused on blockchain infrastructure @CUSEAS ! Made possible by @ethereumfndn. Super-excited about this, more to come!
@cu_eth_research
Columbia-Ethereum Research Center
2 months
@ethereumfndn Launch announcement here:
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@cu_eth_research
Columbia-Ethereum Research Center
2 months
@ethereumfndn 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:
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opportunities.columbia.edu
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...
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