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Have I Been Known?

Have I Been Known?

A privacy-focused tool that analyzes Bitcoin addresses against known surveillance databases

Security·Launched Apr 2026·0 upvotes·haveibeenknown.com
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UNVERIFIEDlast checked Jul 16, 2026 · Unknown
CohortClass of 2026

What it is

A privacy-focused tool that analyzes Bitcoin addresses against known surveillance databases. It identifies potential privacy risks in recent transactions and recommends obfuscation techniques to protect anonymity. Built as an open source project inspired by Have I Been Pwned.

HTTP liveness

10 probes since Jun 16
Jun 16Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. Jun 16, 2026
    First probe — unverified
    Unknown

Discussion 0 comments

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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

Cohort survival · Class of 2026weekly

567 products launched in 2026 · 100% still active

567 active0 sunset
Still active
100%
Median lifespan
4.9y