Reletter
Artwork for 51 Insights

The only institutional crypto intelligence worth acting on. Join 35k+ industry leaders and save 10+ hours or get one insight worth 100x your subscription in 30 days. 5 minutes a week. Zero BS. \ud83d\udc47

Platform
Substack
PricingFreemiumPublishesDaily
Issues469Founded4 years agoLast Issue7 days ago
Active

Read this Newsletter

51insights.xyz
Artwork for 51 Insights

Latest Issues

Circle isn't a stablecoin company anymore

On May 11, 2026, Circle released its Q1 2026 report and it was more than just the revenue. Circle is evolving more than a stablecoin company.

Hey, it’s Marc,

7 days ago
2
Paid

BlackRock's stablecoin loophole

On May 8, 2026, BlackRock filed two SEC registration statements that quietly collapsed the line between traditional finance and crypto. One turns a $7B Treasury money market fund (TFFXX) into a live token on Ethereum. The other launches a c...

8 days ago
5
Paid

177: DTCC's $20T October debut

Hey, it’s Marc & the 51 team,

Tuning in from Consensus Miami 2026 this week. The signal was clear: institutions aren’t waiting for the Clarity Act. My key takeaways:

  • Institutional participation was through the roof (35%, nearly doubl...
11 days ago
5

Russell 1000 goes on-chain

On May 4, 2026, the DTCC publicly advanced DTC's native tokenization service, and announced its commercial launch in October.

Hey, it’s Marc,

11 days ago
3
Paid

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for 51 Insights .

SubscribersEngagement76Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Chart Rankings

How this newsletter ranks in the official Substack charts.

#204
Substack
/Finance(Free)

Authors

The writers behind this newsletter.

  • Marc Baumann

    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.

  • Sangam Bharti

    Creating stories ✨️ Let's do blockchain and AI

  • Chandan

    Research web3 and AI

  • Frequently Asked Questions

    How can I access the email archive for 51 Insights ?

    You can find recent issues that have been published by 51 Insights on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does 51 Insights have?

    To see how many people subscribe to 51 Insights , simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in 51 Insights ?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch 51 Insights as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like 51 Insights ?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact 51 Insights using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to 51 Insights ?

    Scroll up to where it says Related Newsletters to see other publications like 51 Insights . You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact 51 Insights ?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.