Structuring Multi Transaction Contracts in Bitcoin
I was asked to give a talk at Stanford Cyber Initiative’s Blockchain Protocol Analysis and Security Engineering 2017 conference on some of my forthcoming research. While it’s still a bit green, I
Visiting Japan
I’m visiting Japan for two weeks to help teach BC-2 (https://bc-2.jp) at Digital Garage. I’m very excited to have the chance to explore Tokyo and hope to make many new friends while out here!
Introduction to Bitcoin Development
Here’s an introduction to Bitcoin Core Development I gave at the BC-2 Workshop (https://bc-2.jp/season1/). • Bitcoin Development process • Bitcoin Improvement Proposals (BIP) Process
Interview by Shin'ichiro Matsuo on Bitcoin Development
Here’s a few cuts of an interview from when I taught at BC-2 Workshop Winter 2017 (https://bc-2.jp/season1/).
Kansai Trip
This post got backlogged, so just putting it up unfinished. Will backfill pictures when I find them later. I took a few day reprieve from Tokyo to visit the Kansai prefecture. While there,
Drawing the Blockchain
One of my major pet peeves in presentations about the blockchain is that most people seem to draw the arrows/pointers in the incorrect direction. Pointers should point from newer blocks to older
Perfunctory Tokens for Public Works
I gave a talk at the Digital Garage New Context Conference in Tokyo about “Perfunctory Tokens”. It’s presented as a set of opinions I’m thinking through about with regards to the emergent
Censorship by Ethereum Maintainers
The Ethereum Maintainers and Moderators inexplicably took actions to censor the Fuck Nazis Virtual Lapel Pin. When I posted the project to the Ethereum subreddit on August 26th (here
United States Government Censorship of Fuck Nazis Virtual Lapel Pin
When I woke up in the morning of September 1st, 2017 I immediately began my morning ritual of lazily glancing through emails. On this morning, one particular email stood out — the Fuck Nazis
Open Letter on Diversity & Inclusion at Scaling Bitcoin
We started Scaling Bitcoin (https://scalingbitcoin.org) with a deep commitment to diversity and inclusion. Fundamentally, Scaling Bitcoin is about bringing together elements of the Bitcoin community
Giving Money Away?
a version of this originally appeared on tokendaily.co (https://www.tokendaily.co/blog/giving-money-away), I still need to verify all edits match. Give a Man a Bitcoin, and You Feed Him for a Day.
Delegated signatures in Bitcoin within existing rules, no fork required (Connector Outputs)
This originally appeared on the mailing list (https://gnusha.org/pi/bitcoindev/CAD5xwhhC1Y13p7KazfUOXFZ5vi5MA9EQ-scyafv4aNkjskoXBg@mail.gmail.com/), and has been edited lightly for some updates in
Templates, Eltoo, and Covenants, Oh My!
If you’ve been following The Discourse, you probably know that Taproot is merged, locked in, and will activate later this November. What you might not know is what’s coming next… and you
CheckSigFromStack for 5 Byte Values
I recently published a blog post (https://rubin.io/blog/2021/07/02/covenants/) about covenants on Bitcoin. Readers were quick to point out I hadn’t fully explained myself on a claim I made that
Quantum Proofing Bitcoin with a CAT
I recently published a blog post (https://rubin.io/blog/2021/07/02/signing-5-bytes/) about signing up to a 5 byte value using Bitcoin script arithmetic and Lamport signatures. By itself, this is
BIP-118 What Gets Hashed Chart
As a part of my ongoing review of BIP-118 I put together a chart (https://docs.google.com/spreadsheets/d/1KeWJ_cly9zoRX5_h70RTniRT2m8_iaVceK_aF6obWeM) of what gets hashed under the current proposal.
Infrastructure Bill: It's Go Time for Radical Self Custody
TL;DR: click here to answer call to action (https://github.com/JeremyRubin/utxos.org/pull/4) The infrastructure bill draft has been circulating which contains language that would have massive
CheckSequenceVerify DISCOURAGE_UPGRADABLE_NOPS Defect
The other day I was writing some tests for BIP-119 (shoutout Gloria (https://twitter.com/glozow) for the detailed feedback on improving tests). I noticed something peculiar while attempting to write
Day 1: Rubin's Bitcoin Advent Calendar
What says Christmas more than an Advent Calendar to count the days till Santa comes? Honestly, I’m not too sure, I’m a Jew. Happy Hanukkah everyone! But in the spirit of the season, I figured the
Pillars of Bitcoin: Scalability
Welcome to day 2 of my Bitcoin Advent Calendar. You can see an index of all the posts here (/advent21) or subscribe at judica.org/join (https://judica.org/join) to get new posts in your inbox This