StarkEx: a Transparent, Scalable Solution for Exchanges

StarkWare Dec 1 · 7 min read TL;DR Users of centralized exchanges are demanding Proof of Solvency, and claims that “the exchange is regulated” are not sufficient Existing methods like Proof of Reserves based on a third-party audit have weaknesses (they’re not updated daily, and can be gamed) Running a centralized exchange on a StarkEx … Read more

Transactions Across Rollups and Networks Using Perun Channels

Rollups are an emerging technology for scaling the Ethereum blockchain. Applications deployed on a rollup benefit from reduced transaction costs and faster transaction confirmation times. On the downside, rollups require the users to lock up funds which can then only be used within the rollup. For some rollup techniques, it can take weeks to move … Read more

The Data Availability Problem

Special thanks to Dankrad Feist for an in-depth review of the post. Special mention to John Adler for his comments. The Data Availability Problem explained by Polygon In this post, we delve into the details of the data availability problem and how it can impact scaling on Ethereum. The Data Availability (DA) problem: How can … Read more

Keeping Funds Safe: a 3-Factor Approach to Security in zkSync 2.0

Security by Isolation and Redundancy, Trust-Minimized Upgradability, and the Introduction of zkSync’s Security Council Matter Labs May 21 · 6 min read “Only the paranoid survive.” — Andy Grove, CEO of Intel As we prepare for the launch of NFTs, swaps, zkEVM, and an exponential increase in users and capital flow into zkSync, we find … Read more

zkPorter: a breakthrough in L2 scaling

Ending the debate between ZK and optimistic rollups Matter Labs Apr 13 · 6 min read A mass migration to Layer 2 is about to take place. As protocols move from the Ethereum base layer to optimistic rollups and EVM-compatible zkRollups, many hope we’ll finally make on-chain fees manageable. But everyone working on Ethereum scaling … Read more

Erdstall vs. Rollups

Perun Network Jan 25 · 4 min read We take a look at Rollups, arguably the most hyped blockchain scaling technology today, and compare it to Erdstall — our new scaling technology that leverages the power of trusted execution environments (TEEs). With fees on Ethereum at an all-time high and decentralized finance applications on the … Read more

Arbiswap: our port of Uniswap V2 on Arbitrum Rollup

Offchain Labs Nov 5, 2020 · 3 min read tl;dr: An easy port. 55x cost reduction with more to come. Try it today! Earlier this month, we announced the new Arbitrum Rollup testnet, a full-featured Optimistic Rollup that allows anyone to instantly deploy L2 contracts. Today, we’re showcasing just how awesome Arbitrum is by porting … Read more