ZK-Roller-Coaster #3

This is the 3rd edition of ZK-Roller-Coaster where we track and investigate the most exciting, meaningful, and crazy ZK-stuff of the prior two weeks.

Disclaimer: this is a collection of tweets, writings, videos, and other materials; these don’t express our opinion and may not necessarily be accurate. Please do (or continue) your own research.

Hold on tight! 🎢

Spice of the weeks 🌶️

  • Apr 6: “a project on zkSync raised 921 ETH ($1.7M) in a token sale, but funds are stuck forever in the smart contract” Apr 7: zksync reacted fast and “found an elegant solution how to unfreeze the contract”, highlighting that “Era is not EVM equivalent” and “Any smart contract that uses transfer() or send() is taking a hard dependency on gas costs, because this functions forward a hardcoded amount of 2300 gas”. However, “fallback() function can consume more than 2300 gas. Opcode gas pricing can change in future version of Ethereum, and your contract will break. This is not guaranteed to work on Ethereum!”.

ZK and rollups research 🧙

ZK and rollups updates 🎈

  • Magi, a new OP Stack rollup client written in Rust, introduced by ncitron.eth.

  • introducing Hashi: an oracle aggregator for blockchain bridges.

  • EigenLayer announced the release of the testnet for the first stage of the EigenLayer protocol, which supports liquid and native restaking.

Non-ZK industry highlights 🎡

  • CoW Swap, in collaboration with beaverbuild and Agnostic Relayer announced MEV Blocker, a free RPC endpoint that pays users to protect themselves from MEV across a wide variety of use cases in DeFi, NFTs, and dApps.

  • MEV-Share beta is live on Ethereum mainnet.

Opportunities 🏄‍♀️

Readings and watchings 🎞


Fancy mathematics, cryptography, and quantum physics

Puzzles for curious 🧩

Thank you for reading the 3rd edition of ZK-Roller-Coaster. See you in two weeks! 🚵‍♀️

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