This Week in Custody #33
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
News
US sanctions Blender - a mixing service.
Instagram adding support for NFTs.
FTX US applies for a trust charter in New York.
Nigeria clarifies rules on custody.
Bitcoin
Ledger is adding support for Miniscript in its Bitcoin app.
Casa announces a new API.
A complete history of Bitcoin’s consensus forks – 2022 Update.
Andrew Poelstra presents a design for running key ceremonies on analog computers at MIT Bitcoin. Video starts at ~6:12:00 on the Day 1 Track A stream.
BDK has a Rust recursive macro challenge.
Ethereum
BitMEX Research covers Flashbots.
Rainbow Wallet introduces RainbowKit for wallet connections.
Ethereum Signature Database by Samczsun.
A new #AllWallets group.
Other Chains
Parity Signer 5.0 Beta released.
Announcing StoffelMPC: An MPC as a sidechain framework.
Crypto
X25519 Key Exchange tutorial.
On the Adaptive Security of the Threshold BLS Signature Scheme
Trail of Bits recaps Real World Crypto 2022.
Intro to BLS Signatures.
BadKeys checks for poorly created public keys.
Security
Secure computation in Rust.
“Crypto muggings” on the rise in London.
A guide to NFT platform security.
Securing Rust crates.
Hijacking an NPM package using an expired email domain.
Releases
[Polkadot] Polkadot v0.9.21
[Flow] v0.25.13
[Filecoin] v1.15.2
[Solana] Mainnet - v1.9.21
[Cosmos Gaia] v7.0.2
[Algorand] Algorand 3.6.2
[Zcash] v5.0.0
[Celo] v1.5.6
[Mina] Mainnet Stable Release 1.3.1
[Osmosis] v8.0.0
Thanks for reading. Have a great week!