This Week in Custody #31
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
How to Back Up a Seed Phrase. [Link]
MetaMask Institutional adds custody options for DAOs and DeFi. [Link]
Blockstream guide on building a good Lightning Network node. [Link]
News
a16z announces a crypto research group. [Link]
US CISA warns about North Korean attacks on crypto companies. [Link]
Stripe rolls out payouts with crypto. [Link]
Germany's Commerzbank Applies for Local Crypto License. [Link]
Office of the Comptroller of the Currency issues a consent order against Anchorage. [Link]
Bitcoin
Phantom Node payments in LDK. [Link]
Bitcoin Core 23.0 Release Notes. [Link]
Fetching Bitcoin headers over DNS. [Link]
Security issue in anchor outputs implementations. [Link]
OP_CTV (BIP-119) is gaining attention as a possible candidate for bringing covenant functionality to Bitcoin. [Link]
Bitcoin Silent Payments presentation. [Link]
Ethereum
Other Chains
Jump Crypto’s Reading List. [Link]
Web3 Foundation is hosting a 6-month Bootcamp program. [Link]
Amarna: Static analysis for Cairo programs. [Link]
Upcoming Monero hard-fork. [Link]
Crypto
Physical Threshold Encryption. [Link]
Java has a nasty bug in its ECDSA implementation. [Link]
How SHA-256 Works Step-By-Step. [Link]
Security
Rust’s supply chain problem. [Link]
Cryptocurrency As A Cybersecurity Alarm. [Link]
Improving the state of go-fuzz. [Link]
Releases
[Polkadot] v0.9.20 [Link]
[Cosmos SDK] v0.45.4 [Link]
[Solana] Mainnet - v1.9.18 [Link]
[Bitcoin] Bitcoin Core 23.0 [Link]
[Flow] v0.25.12 [Link]
Thanks for reading! Have a great week.