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Block Fragments
Five hand-picked links on blockchain technology, every day
last checked Jul 13, 2026 · Unknown
CohortClass of 2018What it is
Five hand-picked links on blockchain technology, every day. — Five hand-picked links on blockchain technology, sent straight to your inbox every day. Keep up with the best ideas without the noise. [Newsletters, Tech, Web3]
HTTP liveness
15 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 11, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
15 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y