Newsletter Insights — advertising rates and audience data for 45K+ newsletters
Browse all →Platform Portability
Uses custom domain (51insights.xyz) — can migrate to any platform without losing subscribers
Are you a newsletter creator? Get verified 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. 👇.
Data updated 5 months ago
51 Insights hasn't published recently
Last post was 5 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
480 paid
We don't have enough growth data for 51 Insights yet. The average Crypto newsletter has 2K subscribers.
Based on 210 Crypto newsletters tracked
vs 74 newsletters in Crypto
16K places you in the top 25% of newsletters in this category.
Posts per Week
3.4
median: 1.1
Publishing Consistency
72/100
median: 64/100
Subscribers
16K
median: 2K
Quality Score
Score Breakdown
| Subscriber-only |
| 171: NYSE and Nasdaq pick sidesHey, it’s Marc & the 51 team.Mar 27, 2026 | Public |
| The man who co-wrote HTTP/2 just IPO'd a crypto bank, with Mike Belshe, CEO of BitGoHi, it’s Marc.Mar 25, 2026 | Public |
| who owns the agent economy?On March 18, 2026, Stripe and Tempo co-released the Machine Payments Protocol, an open specification for machine-to-machine payments.Mar 24, 2026 | Subscriber-only |
| Wall Street just put stocks on a blockchainOn March 18, the SEC approved Nasdaq to trade and settle U.S. equities as blockchain tokens.Mar 24, 2026 | Subscriber-only |
| 169: NYSE, OKX, Kraken, ECB, RevolutHey, it’s Marc & the 51 team.Mar 14, 2026 | Public |
| 4.5% broke Congress Hey, it’s Marc,Mar 13, 2026 | Subscriber-only |
| Nasdaq ate crypto and called it an upgrade Hey, it’s Marc,Mar 12, 2026 | Subscriber-only |
| The first crypto firm on FedwireKraken Financial has become the first digital-asset bank in U.S. history to receive a Federal Reserve master account.Mar 11, 2026 | Subscriber-only |
Publishing Frequency
Previously ~3x per week
Inactive — last post 5 months agoUsually publishes Wed, Tue
Crypto Pricing
$5/mo median
Premium tier
Monetization Readiness
Already monetizing
100% of similar-size Crypto newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — freeSwissblock Insights
19K subs
Jordi Visser Macro-AI-Crypto Substack
23K subs
Coin Metrics State of the Network
24K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of 51 Insights vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including CoinRabbit, Ripple, Us page + 169 more.
$300·2-3 working days·refunded if we can't deliver