Ed Felten – Medium

Ed Felten

Ed Felten
in
Offchain Labs

Security disclosure

On March 22, our team at Offchain Labs disclosed to the OP Labs team two serious security vulnerabilities we had found in the Optimism…

Apr 26

Security disclosure

Apr 26

Ed Felten
in
Offchain Labs

EIP 4844: What does it mean for L2 users?

As of this writing, EIP-4844 and the rest of Dencun upgrade are currently scheduled to go live on Ethereum mainnet on March 13.

Feb 13

EIP 4844: What does it mean for L2 users?

Feb 13

Ed Felten
in
Offchain Labs

Why I’m Still Optimistic About Optimistic

Arbitrum uses an optimistic rollup protocol. People often ask why we chose optimistic for Arbitrum, and whether we expect Arbitrum to…

Sep 25, 2023

Why I’m Still Optimistic About Optimistic

Sep 25, 2023

Ed Felten
in
Offchain Labs

Five theses about transaction ordering, MEV, and front-running

The Ethereum community debate about miner-extractable value and transaction ordering has been heating up again, thanks to a recent post by…

Apr 9, 2021

Five theses about transaction ordering, MEV, and front-running

Apr 9, 2021

Ed Felten
in
Offchain Labs

MEVA (What is it good for?)

tl;dr: Miner Extractable Value Auction makes centralization worse, not better.

Jul 6, 2020

MEVA (What is it good for?)

Jul 6, 2020

Ed Felten
in
Offchain Labs

Front-Running as a Service

There’s been some back-and-forth recently about the problem of front-running in Ethereum dapps, and what can be done about it. As I wrote…

Jun 29, 2020

Front-Running as a Service

Jun 29, 2020

Ed Felten
in
Offchain Labs

MEV auctions considered harmful

Front-running is a persistent problem in blockchain-based markets. Someone, typically a miner, can look at the transactions we all submit…

May 26, 2020

MEV auctions considered harmful

May 26, 2020

Ed Felten
in
Offchain Labs

Optimizing challenge periods in rollup

Interactive rollup protocols, like our Arbitrum Rollup, speed up smart contract execution by having a validator assert what contracts will…

Apr 29, 2020

Optimizing challenge periods in rollup

Apr 29, 2020

Ed Felten
in
Offchain Labs

Scalable & Low Cost Computation of Ethereum Smart Contracts Using Arbitrum, on the Chainlink…

We are excited to announce the release of new capabilities for the larger Ethereum community by enabling the combined use of Arbitrum and…

Feb 14, 2020

Scalable & Low Cost Computation of Ethereum Smart Contracts Using Arbitrum, on the Chainlink…

Feb 14, 2020

Ed Felten
in
Offchain Labs

Eleven questions to ask your rollup provider

You’re an Ethereum developer, and you’re rollup-curious. You’re tempted by the scalability and low cost of rollup solutions, but you’re…

Feb 12, 2020

Eleven questions to ask your rollup provider

Feb 12, 2020

Ed Felten

Ed Felten

Co-founder, Offchain Labs. Kahn Professor of Computer Science and Public Affairs at Princeton. Former Deputy U.S. CTO at White House.

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