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
a16z crypto’s primer on wallet security.
Flashbots has a new MEV-boost Dashboard.
Fidelity expected to support trading for Ethereum.
BitGo launches its Developer Portal.
BitGo launches a settlement network between exchanges.
Aptos launches mainnet.
MetaMask integrates with Sardine to enable a fiat on-ramp for US users.
Elliptic says Chinese spies used Wasabi Wallet (coinjoin wallet) to pay Bitcoin bribes to a FBI agent.
Cosmos launches “Game of Chains” program to build an incentivized testnet for interchain security.
A Bitcoin transaction signed using FROST.
Interesting talks from TabConf:
Moving Bitcoin Core off GitHub
P2P encryption for Bitcoin
Misconceptions about virtual bytes
Block updates us on its Bitcoin hardware wallet design.
SoK: Preventing Transaction Reordering Manipulations in Decentralized Finance
Enter the Hydra: Towards Principled Bug Bounties and Exploit-Resistant Smart Contracts
How-to: Make it Easy to Patch Crypto Networks reviews the deployments and release strategies for projects.
Understanding “out-of-gas” denial with Gas Guage.
A guide to Solana’s core concepts.
Tools & Software
CashApp launches deposits for its Lightning Network feature.
BlockSec’s Phalcon tool gets a new update allowing users to simulate transactions at a specified block.
Upcoming OpenSSL patch fixes a critical vulnerability.
KataOS is a new operating system designed for securing embedded devices. It’s written mostly in Rust.
Thanks for reading! Have a great week.
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