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Bitcoin For Beginners by CryptoLetter
A free 7-day email course — This mini email course is a fun and easygoing way to take your first steps into the crypto world
since Jun 11, 2026 · HTTP 200
CohortClass of 2017What it is
A free 7-day email course — This mini email course is a fun and easygoing way to take your first steps into the crypto world. We'll explain what Bitcoin is, how it works, why it's important, and we'll use words you understand. We'll also show its significance for investors and how you can get started, step-by-step. There'll be lots of fun and goodies along the way. Enjoy! [Email, Investing, Education]
HTTP liveness
14 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 3, 2026Went darkDomain parked
- Jun 21, 2026Probe inconclusiveTimeout
- Jun 16, 2026Went darkDomain parked
- Jun 11, 2026First probe — unverifiedTimeout
Discussion 0 comments
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Pulse Indexobserved activity
14 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y