hi, i'm janusz
i work on open-source projects and care about privacy. about me
current
bitcoin layers, research hub covering bitcoin l2s & more
sparky, a reckless spark wallet built with cursor ai prompts
previous
shared sequencer protocol in the modular space (previous)
encrypted internet money (previous)
writing
how bitcoin rollups actually work without a soft fork. link
statechains are L2s. link
espresso on bitcoin. link
analyzing wrapped bitcoin assets. link
zcash as a sovereign rollup. link
some talks & pods
bitcoin l2 censorship resistance @ MIT 2025. link
rootstock as a data availability layer @ POW Summit 2024. link
janusz on gwart show 2024. link