
Michael del Castillo
@DelRayMan
Former senior editor at Forbes, senior writer at Fortune. Founder Media Luna Creations, Knight-Bagehot Fellow, writing about borderlessness, learning to farm.
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Today is my last day at Fortune. After 14 years in newsrooms I’m branching out on my own. Thanks to my editor @jeffjohnroberts and the rest the @FortuneMagazine team for giving me the chance to expand my beat into new territories! Sneak peek: medialuna.io Stay tuned!

A huge thank you to all the Bitcoin developers! And Then You Win releases on Satoshi Day — with untold stories from the Block Wars and how we ultimately won. Throwback photo from those tense days in 2017 with @sysmannet representing. All proceeds from the book will be going to…

🌎 #Applications are now open for the 2026 Global Blockchain Business Council (#GBBC) Ambassador Cohort! GBBC Ambassador are #innovators, #connectors & #changemakers progressing blockchain adoption & impact worldwide. If you’re ready to help shape the future of blockchain for…

📢GBBC and our community are delighted to release GBBC’s 101 Real-World Blockchain Use Cases Handbook, 2025 Edition! This Handbook is a valuable reference guide for government agencies, regulators, and central banks worldwide, moving beyond the hype to showcase real-world use…

After combing through @interop_labs' Definitive Guide to Stablecoin Issuers we identified Nine Stablecoin Archetypes that are increasingly the building blocks of every stablecoin issuer: axelar.network/blog/trailblaz… via @axelar
And as always in mass casualty fires, the ones who did see there was a fire didn’t act to save themselves because they were sure ‘someone else will take care of it’


Just made my first ever purchase of modern poetry. @Joseph_Fasano_ is the ONLY person on Twitter whose every tweet I stop to read.
Joseph Fasano has given us poems, prompts, and novels that have reached readers worldwide. His new work, The Teacher, arrives Dec 1, 2025. Preorder now: shop.maudlinhouse.net/#the-teacher

An educational system that does not sufficiently teach history will create students who do not sufficiently know how to recognize tyranny as it arrives.
I can't stop thinking about Adrienne Rich's poem about AI, written in 1961.


Biggest story in stablecoins nobody noticed Alipay, the mobile payments wallet with 1 billion users, will launch a EURO Stablecoin BREUR, to the European market They're only the second to be listed by the European Regulator ESMA. This is HUGE for reasons you're missing 🧵
Excited to share that the @EthereumFilm documentary will be STREAMING on Amazon Prime Video soon!! We're going mainstream 🎉
the amount of genius sitting untapped in people who were born in the wrong place at the wrong time is probably the biggest waste in human history undiscovered because opportunity isn't distributed by merit, but by geography + luck love this quote from @balajis on "dark talent"

There's dark talent around the world, from the Midwest to the Middle East. Backing this talent is the right thing to do morally and the smart thing to do economically.
the amount of genius sitting untapped in people who were born in the wrong place at the wrong time is probably the biggest waste in human history undiscovered because opportunity isn't distributed by merit, but by geography + luck love this quote from @balajis on "dark talent"

It's been 8 years since I asked, "Is blockchain ready for fiat?" in this @CoinDesk report: coindesk.com/markets/2017/0… The people I interviewed, from @Barclays, @bancosantander, @StateStreet, and @HSBC now look like visionaries. h/t @clearmatics and @fnality (Utility Settlement Coin)
Markets on everything. We’re proud to announce that $ICE, the owner of @NYSE and the largest exchange company in the world, is making a strategic investment of $2 billion into Polymarket, valuing us at $9 billion post-money. Our partnership with ICE marks a major step in…

Warning: The Great Harvest is Coming Why It’s Time to Migrate to Zcash $ZEC — Before the Harvest Comes 1. A New Threat Has Arrived — Quietly In September 2025, the Federal Reserve issued a chilling warning: “Adversaries can harvest encrypted data today and decrypt it later…

The banks want to close the "loophole" because they can't compete on this playing field. - They're Durbin-regulated on debit cards. - They're deposit-regulated on savings accounts. - And now stablecoins are offering better returns with better UX. But there's a better path.
I don't agree with this - I think banks can compete. There are other methods of payment beyond cards (and banks have some of the better card franchises, see @Chase), and the good ones have a huge edge in lending. The problem is they are bundled conglomerates, which are unwieldy…
The banks want to close the "loophole" because they can't compete on this playing field. - They're Durbin-regulated on debit cards. - They're deposit-regulated on savings accounts. - And now stablecoins are offering better returns with better UX. But there's a better path.
Finally finished my long essay on why I'm skeptical of corporate blockchains like Tempo, Arc, and Plasma. I get the motivation for creating these and the teams behind them mean well, but I'm deeply skeptical. Agree or disagree?
A thought for Sunday. Life really does run on the seed principle where you get out what you plant, multiplied and with a side of irony. You can’t plant chaos and expect calm, just like you can’t live on pizza and expect abs. The wild part is how long the waiting part feels;…
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