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| Platform | Pricing | Freemium | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 492 | Founded | 4 years ago | Last Issue | 4 days ago |
| Active | |||||

Mastercard announced Agent Pay for Machines (AP4M), Visa announced Agent Score.
Hey, it’s Marc
Jeff Booth (Ego Death Capital, author of The Price of Tomorrow) on why Bitcoin is a protocol, not digital gold, the $350 trillion debt spiral and Michael Saylor's Strategy.
Hi, it’s Marc. ✌️
Hey, it’s Marc,
For two years everyone’s asked the same stablecoin question: whose logo goes on the coin? Circle or Tether? Banks or fintechs?
Wrong question.
This week State Street and Fidelity answered the one that actually prints mone...
Hey, it’s Marc & the 51 team,
SpaceX just pulled off the biggest IPO in history.
$75 billion raised. A $2 trillion valuation at the open. Shares priced at $135, trading as high as $168.75. Elon Musk became the world’s first trillionaire b...
The full text of H.R. 8957, the American Reserve Modernization Act is public. A 20-year lock-up, mandatory proof-of-reserve, and zero new spending authority on all BTC deposited into the reserve.
In 1933, FDR ordered Americans to surrender...
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How this newsletter ranks in the official Substack charts.
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The writers behind this newsletter.
Marc is the Founder & CEO of 51 | fiftyone.xyz, the industry’s most actionable insights on digital assets. Subscribe for weekly alpha: www.51insights.xyz Marc has been in crypto since 2016, previously Head Marketing & Comms at Bitcoin Suisse.
Creating stories ✨️ Let's do blockchain and AI
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