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Articles by Noah Citron
Layer 2, rollups, and building onchain (with Base)
“Layer 2” rollups are computer networks that are designed to help scale “layer 1” blockchains such as Ethereum — and they’ve been bustling with activity recently, especially since Ethereum implemented its scaling-related EIP-4844 (“Dencun”) upgrade in March. Jesse Pollak, who is Coinbase’s head of protocols and who founded and leads the popular layer 2 rollup Base, joins a16z crypto engineer Noah Citron and host Robert Hackett to discuss bottom-up vs.
Building Magi: A new rollup client for Optimism
Decentralization is crypto’s defining promise: Networks that have no single point of failure are more secure and more resilient than their centralized counterparts. In practice, we often see emerging points of centralization as potentially vulnerable – their failures can compromise an entire network. Ethereum’s switch to Proof of Stake, for example, drew attention to the potential risk of relying on a single client at any layer.
A few of the things we're excited about in crypto
Editor’s note: a16z just released an omnibus list of “big ideas” tech builders may tackle in the year ahead, according to various a16z domain partners spotlighting a big idea that startups in their fields may tackle in 2023. The list spans everything from consumer tech and games to enterprise and American Dynamism to enterprise and AI to fintech and of course, crypto.
Building Helios: Fully trustless access to Ethereum
One of the main reasons we use blockchains is trustlessness. This property promises to allow us self-sovereign access to our wealth and data. For the most part, blockchains like Ethereum have delivered on this promise — our assets are truly ours. However, there are concessions we’ve made for the sake of convenience. One such area is in our use of centralized RPC (remote procedure call) servers. Users typically access Ethereum through centralized providers like Alchemy.
Zero Gas Wasted: Winning the IAmTheOptimizor Challenge
Gas golfing plays an important role in smart contract engineering. Not only is it a fun and challenging task, but it saves valuable blockspace. So, when 0xBeans launched the gas-golfing challenge “I Am The Optimizor” — we joined in. For the uninitiated, contestants (smart contract engineers and teams) compete to write a contract that solves the classic 3Sum problem. Contracts are scored by the sum of their gas usage and size.
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