Ed FelteninOffchain LabsDebunking Common Misconceptions About TimeboostAs the DAO discusses Timeboost, a new transaction ordering policy proposed for Arbitrum chains, there has been some confusion around what…Sep 27Sep 27
Ed FelteninOffchain LabsSecurity disclosureOn March 22, our team at Offchain Labs disclosed to the OP Labs team two serious security vulnerabilities we had found in the Optimism…Apr 26Apr 26
Ed FelteninOffchain LabsEIP 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 131Feb 131
Ed FelteninOffchain LabsWhy I’m Still Optimistic About OptimisticArbitrum uses an optimistic rollup protocol. People often ask why we chose optimistic for Arbitrum, and whether we expect Arbitrum to…Sep 25, 20231Sep 25, 20231
Ed FelteninOffchain LabsFive theses about transaction ordering, MEV, and front-runningThe Ethereum community debate about miner-extractable value and transaction ordering has been heating up again, thanks to a recent post by…Apr 9, 20211Apr 9, 20211
Ed FelteninOffchain LabsMEVA (What is it good for?)tl;dr: Miner Extractable Value Auction makes centralization worse, not better.Jul 6, 20201Jul 6, 20201
Ed FelteninOffchain LabsFront-Running as a ServiceThere’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, 2020Jun 29, 2020
Ed FelteninOffchain LabsMEV auctions considered harmfulFront-running is a persistent problem in blockchain-based markets. Someone, typically a miner, can look at the transactions we all submit…May 26, 20202May 26, 20202
Ed FelteninOffchain LabsOptimizing challenge periods in rollupInteractive rollup protocols, like our Arbitrum Rollup, speed up smart contract execution by having a validator assert what contracts will…Apr 29, 20202Apr 29, 20202
Ed FelteninOffchain LabsScalable & 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, 20202Feb 14, 20202