crypto-newsletter — launch kit

1-liner

On-chain analysis newsletter. Etherscan + Dune + CoinGecko data → Claude-narrated daily digest. Substack at $29-99/mo.

Tweet hook

On-chain newsletters at 5K subs do $20-50K/mo MRR. The bottleneck is daily curation. Most quit by month 4.

Built an engine: Dune queries + Claude narrate. Operator does 30 min editorial.

Stack + ticker selection 🧵

Reddit

• r/CryptoCurrency: tone-down promo; offer free trial
• r/ethdev: "Open framework for on-chain newsletters"

Cold-email ICP

Existing crypto Twitter / Substack writers

Cold-email template

Subject: daily {chain/protocol} newsletter on autopilot

Hi {first} — saw your {Substack / on-chain Tweet / Dune dashboard}.

Built an engine: pulls Etherscan + Dune queries + CoinGecko data,
Claude narrates daily issue. You add 1-2 personal-take paragraphs.

$0 marginal cost via local Qwen for narration; cloud Claude for the
final-quality pass. DFY $1499/mo.

SEO content

1. "On-chain newsletter market 2026"
2. "Dune query patterns for daily ETF / whale / mint reporting"

crypto-newsletter

On-chain analysis newsletter engine. Etherscan + Dune + CoinGecko data → Claude-narrated daily/weekly digest. Substack at $29-99/mo subscriber tier.

Pricing

• Operator-as-owner $0; sub revenue from Substack/Beehiiv
• DFY $1,499/mo (we run a coin/protocol-specific newsletter for the buyer)

Niches that pay

• Daily ETH on-chain digest (BlockworksResearch is $99/mo)
• Specific-protocol watcher (e.g. Uniswap whales, Aave health factors)
• ETF flow tracker (BTC ETF in/outflows daily)
• Stablecoin issuance changes (USDT, USDC mint events)

Architecture

operator runs Dune queries + Etherscan checks → JSON
   │
   ▼
narrate.py  Claude → subject + TL;DR + body
   │
   ▼
publish to Substack/Beehiiv (separate; uses newsletter-engine product)

Run

cd C:\openclaw-products\crypto-newsletter
python -m venv .venv
.\.venv\Scripts\activate
pip install -e .
$env:ANTHROPIC_API_KEY="sk-ant-..."

# Curate data into JSON
cryptonews issue --data-file data/2026-04-29.json --out issues/2026-04-29.md

Roadmap

• Built-in Etherscan top-whale-movement query
• Dune Analytics SQL runner
• CoinGecko free top-100 daily delta
• BTC/ETH ETF flow scraper (FastAPI source from issuers)
• Auto-publish via newsletter-engine integration