This Week in Custody #30
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.
News
Fireblocks partners with FIS. [Link]
MetaMask Institutional adds custody options for DAOs and DeFi. [Link]
PolySign acquires MG Stover. [Link]
Bitcoin
Blockstream guide on building a good Lightning Network node. [Link]
NYDIG launches Bitcoin Task Bounties. [Link]
Arcane Research publishes The State of Lightning Volume 2. [Link]
Bitcoin 2022 Conference Open Source stage videos. [Link]
Ethereum
Hunting For Bugs In "Ethereum 2.0" [Link]
Eth2 Roadmap FAQ. [Link]
MetaMask warns about rising trend of iCloud phishing. [Link]
EIP-4430: Described Transactions. [Link]
Protecting the Ethereum consensus-layer. [Link]
Other Chains
Cosmos Hub Theta Upgrade. [Link]
Cosmos launches Interchain Developer Academy. [Link]
FAQs on Interchain Accounts. [Link]
The Chronicles of a Web3 philosopher. [Link]
Worldcoin goes open source. [Link]
Vulnerability in CosmWasm smart contracts. [Link]
Spamming Solana: a Trip Report. [Link]
Crypto
zkStudyClub: Zero-Knowledge Proofs Security, in Practice. [Link]
Elliptic Curve Cryptography: A Basic Introduction. [Link]
Coordinated disclosure of vulnerabilities affecting Girault, Bulletproofs, and PlonK. [Link]
Threshold signatures, multisignatures & aggregate signatures. [Link]
Security
How Go Mitigates Supply Chain Attacks. [Link]
Lazarus trojanized a DeFi app. [Link]
Intro to Smart Contract Security Audits. [Link]
How to Back Up a Seed Phrase. [Link]
Cross-Language Attacks [Link]
Debian and firmware. [Link]
Releases
[Bitcoin] v23.0rc5: Bitcoin Core 23.0 release candidate 5 [Link]
[Terra Core] v0.5.18 [Link]
[Cosmos Gaia] v7.0.1 [Link]
[Zcash] v4.7.0 [Link]
[Solana] Mainnet - v1.9.17 [Link]
[LND] lnd v0.14.3-beta [Link]
[Polkadot] Polkadot v0.9.19 [Link]
Thanks for reading. Have a great week!