Research
My latest reseach and writing. Usually on bitcoin.
Reviewing tBTC's Implementation on Starknet
Trust Assumptions tBTC is a wrapped bitcoin asset on Ethereum that is moved onto Starknet via StarkGate. From my view, the core trust assumptions are: Trust the Threshold Network to keep tBTC on Ether...
A Note on Citrea's State Transition Function
Citrea is a bitcoin rollup. This means that it uses bitcoin for data availability. It is live on testnet and is approaching mainnet. To advance Citrea’s state, like any blockchain, a state transition...
Analyzing Nomic's Weighted Multisig Design
Another thing I find interesting: @nomicbtc What is Nomic? Nomic is a CometBFT-based proof-of-stake blockchain. Its validator set supports an enshrined two-way peg for nBTC. nBTC is a bitcoin-backed a...
Validiums, volitions, and superstitions. Bitcoin L2s aren’t real, but rollups will be
This is a post that outlines how rollups work on bitcoin without a soft fork. Tl;dr Rollups on bitcoin is an incredibly new design space and there are many misconceptions regarding them Rollups are bl...
Statechains are L2s
I’ve thought about the trust assumptions related to statechains for a little bit now. I’m by no means an expert, but I think “rug-risk” related to statechains hasn’t been fully presented. Most people...
Knock, knock. It’s Cashu, Bitch@
I think there’s something brewing on the internet. Well, thousands of others do as well, but I will claim that we called it first. If you’re on Nostr, or the Bird app, you might’ve seen the newly rele...
Clearing up misconceptions on Citrea
This post was originally featured on Bitcoin++ Insider Edition . Good afternoon Insiders. Today, admittedly, I’m double dipping. I’ve been thinking a lot about rollups and their supporting architectur...
Lightning swaps *are* the connective tissue
This post was originally featured on Bitcoin++ Insider Edition . There’s two conflicting camps in bitcoin scaling at the moment. One camp is insistent on taking technologies from other ecosystems and...
BitVM-based bridges and emergency upgrades
This post was originally featured on Bitcoin++ Insider Edition . As BitVM-based bridges near production use, I’ve started thinking about a topic known as “emergency upgrade” paths. With the help of th...
Are statechains self-custodial?
This post was originally featured on Bitcoin++ Insider Edition . Fellow Americans, Happy 4th of July. To those who weren’t born into citizenship-based taxation, congrats. And for those of us who at le...
Some of us still want private, bitcoin payments
During the craze of Paper Bitcoin Summer, the Bitcoin Conference released talks from the open source stage at Las Vegas. The talks covered a number of topics from new L2s to consensus changes, but one...