This Week in Custody #34
This Week in Custody is a newsletter covering technical and narrative developments in digital asset custody written for wallet engineers, digital asset operators, and security engineers.
Last Week’s Most Clicked
Secure computation in Rust.
Ethereum Signature Database by Samczsun.
Rainbow Wallet introduces RainbowKit for wallet connections.
News
Robinhood announces a non-custodial wallet product. And they’re paying the network fees.
Ledger is launching its own browser extension.
Fireblocks launches Web3 Engine.
Update from Coinbase’s Protocol Team.
Coinbase launches Coinbase Pay and a new Web3 Wallet.
Thread on the new wallet. They built an in-house MPC solution for secp256k1 and ed25519 chains.
Bitcoin
Fun story of a LN penalty transaction by fiatjaf.
Login with Lightning project.
Summer of Bitcoin 2022 results. Over 20K applicants!
Package Relay BIP.
Crypto dot com has been burning user funds by inappropriately converting P2TR scripts to P2WSH.
Silent Payments tutorial on Signet.
Ethereum
The status of Silkworm (Ethereum’s C++ client).
Review of Automated Vulnerability Analysis of Smart Contracts on Ethereum
Wormhole has a recent critical vulnerability disclosure stemming from an uninitialized proxy contract.
OpenSea launches Seaport protocol.
A thread on Seaport’s gas optimization techniques.
Other Chains
Wallety: analytics service.
Crypto
Security
Nascent publishes a Simple Security Toolkit for smart contract development.
Bunny writes a critical perspective on Rust. The section on supply chain security is worth reading.
The popular rust_decimal crate for Rust was typosquatted by a malicious crate. Good write up on the incident and possible solutions.
Releases
Thanks for reading. Have a great week!