ALR
@ALRubinger
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Economic empowerment and open source program office lead at Block.
Calichusetts
Joined January 2009
Open source and standards wins infra up and down - proven time and again
+1 "Open standards won the application layer. They'll win the agent layer too."
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We’re looking for a director/executive level design leader to run #bitcoin design and creative across all of @blocks ₿ x Square/CashApp/Proto/Bitkey/Tidal and beyond DMs open for questions/leads https://t.co/u3liB8FWmF
block.xyz
Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy.
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Something that determines leadership to me is "why". We believe a few things: * AI is here. Better to operationalize our company around it. * AI has to be extensible and used by all. So let's gather the most promising projects from the best partners and forge the path together.
$XYZ BLOCK x OPENAI x ANTHROPIC are *founding* members. Below are other members. Eventually @blocks will be recognized as an AI leader.
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Shipping something important today. 3D built for UGC, games, and real-time systems - not isolated assets. Proud of the team. This unlocks a lot.
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A special shout to @maniksurtani who today saw a months-long vision play out - establishing the Agentic AI Foundation with a killer set of partners and founding tech. AI needs two things to work for everyone: extensibility and openness. Feels like a big moment.
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https://t.co/26S1PPPcZE with Goose, MCP, https://t.co/1nPwuwt19U are parts of a common story. They belong together - in a vendor-neutral home, with shared governance, and a common mission. History repeats - here we get to do for AI what CNCF did with emerging cloud tech.
agents.md
AGENTS.md is a simple, open format for guiding coding agents. Think of it as a README for agents.
goose will become the reference implementation for the MCP
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Because the best infra always converges to open approaches - we do this together. LFG 🔥 https://t.co/8HE6s8ZUcD
Big news: Block, @Anthropic, and @OpenAI are launching the Agentic AI Foundation (AAIF), a new @LinuxFoundation directed fund for open source agentic AI. Companies like Google, Microsoft, Bloomberg, and Amazon are already committed. https://t.co/PHX1342Dnh 🧵
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"There hasn't been a new debit network in the United States in the last 50 years, and what you just saw there is us moving dollars on the bitcoin network to dollars on the other side. This is a complete paradigm shift." - @owenbjennings
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"Train up a child in the way he should go, and when he is old he will not depart from it." A Christmas movie that my children and I enjoy watching has one scene in particular that always strikes me: It’s the scene where the parents are looking in on the boy in his room and
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“Everyday money” is the salve for price volatility. When we make it easy for everyone to get and transact in Bitcoin, we spread its distribution for the world’s best designed money.
When i was 22 I went on a date and after about an hour and a half I got the sense that we weren’t a match. But the guy reminded me of my friend, so I told him and asked if I could introduce him to her. He said yes, they hit it off instantly, and they got married a few years
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I'm hiring a Staff Developer Relations Engineer who will help engineers be successful with using AI. Fully remote from anywhere Block is legally able to hire from. If you're a good fit, apply (please no DMs). Pls share for reach 🙏🏽 https://t.co/km5fOXI63r
block.xyz
Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy.
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$XYZ Dear small business owner, If I look grumpy, it’s because of the 3% fees that credit card companies take from every sale. They stink. 3% for a swipe, dip, or tap is too much, especially when it equals half or more of your profits. There’s a way to opt-out: by accepting
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Frustrating day but we have unwavering conviction in the path forward. We are focused on delivering products to our customers and we’re focused on investing in serving every customer that wants to work with us. That’s it.
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https://t.co/8IWUrFrZu1 - from a page to a subdomain site. It's Got Blog. Now: we get these stories from inside @blocks out there 🔥
opensource.block.xyz
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🎙️New Episode: December 18, 2025 -President Trump’s address to the nation -Brown shooting investigation mishaps -Trump admin’s shift on China and chips -Chinese billionaires exploiting surrogacy in America -The latest celeb touting socialism -Eric Swalwell’s major milestone
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We’ve been busy building. November 13, come see what's next for @CashApp → https://t.co/3oxPYTRjU0
#cashappreleases
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Looking for an amazing tech writer to join my org and write for Cash App. 100% remote. Spread the word! https://t.co/UZIKS5HqcP
block.xyz
Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy.
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Nerd comedy gold.
Happy Halloween everyone !! Just scared some developers with my EJB t-shirt !
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Seeking someone great for my team who believes: Open source is both a competitive advantage and necessary for economic empowerment. Come help us expand our programs throughout @blocks and the industry. Who do you know who'd crush it at this? https://t.co/TlektNewVn
block.xyz
Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy.
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🚀 We’re introducing OpenIP. Our approach to making innovation more accessible. Patents should foster innovation, not prevent it. OpenIP = our commitment to use IP rights defensively, not against good faith builders. Why? Because the best ideas are found when everyone can
block.xyz
Block’s OpenIP is a defensive patent pledge that puts builders first, removing IP barriers so developers can innovate with confidence.
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The world's only 35-foot sand Christmas tree lights up West Palm Beach every night.
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Security, privacy, and ease of use shouldn’t be at odds. To help close the gap, Bitkey engineer @JurvisTan and Bitkey alum @JessePosner proposed a new bitcoin improvement that allows multisig wallet owners to control which keyholders can see full balance and transaction data.
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The trend of openness and more and more companies and projects going open source and open protocol — that’s huge for me and huge for my business. - @jack Why Default to Open is our mantra and competitive advantage to us @blocks
https://t.co/Z3w9kUFN64
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