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theDavidCoen/README.md

Hey, I'm David Coen 👋

Software QA, Support & Bitcoin consultant based in Italy

I help teams ship reliable Bitcoin and self-custody software — as QA & Support at Edge, consulting for ArkLabs, and as operator of open-source infrastructure (BTCPay, Nostr, Lightning).

Author of Q/A about Bitcoin. Available for consulting, merchant Bitcoin setup, and technical support.

Tech Stack

QA & Support

Asana Slack Intercom Cursor GitHub Sentry Android iOS QA Dashboard

Bitcoin & Lightning

Bitcoin Lightning Network BTCPay Server Nostr Arkade

Infrastructure

Linux Docker Nginx Matrix

What I Do

  • QA — manual testing on real Android & iOS devices; multi-chain wallet flows, swaps, buy/sell, sync issues; clear repro steps in Asana
  • Device lab — QA Dashboard for multi-device control (scrcpy / libimobiledevice), screenshots, recordings, and common QA actions
  • Support — Intercom inbox, Help Center, Fin/Prudence guidance, voucher & login lookup tooling
  • Team workflow — Slack, Asana boards, GitHub issues, Sentry for crash triage, Cursor for day-to-day work
  • Bitcoin products — consulting with Ark Labs (Arkade and related products)
  • Self-hosted infra — BTCPay, Lightning node, Nostr relay, status & resource tools on davidcoen.it
  • Open resources — LightningExchanges, Q/A about Bitcoin, and more

Let's Connect

Website LinkedIn X Email Calendly

Nostr: npub149mp2m0q8prpdys7x2lusv2vceraxwzr4ajf6tv3l24my3gtszxsncas0t

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  1. Q-A-about-Bitcoin Q-A-about-Bitcoin Public

    Q/A about Bitcoin

    17 4

  2. LightningExchanges LightningExchanges Public

    List of exchanges that support Lightning Network

    220 54

  3. LightningNFC LightningNFC Public

    Lightning Network related projects with a NFC tag (ring, card...)

    19 1

  4. LightningTrackers LightningTrackers Public

    Services that keep track of the network. They can be indexes, trackers or search engines.

    1

  5. bitficus/theSat bitficus/theSat Public

    Files relating to the Sat, the symbol for the Bitcoin unit "Satoshi"

    30 4

  6. davidcoen.it davidcoen.it Public

    Minimal static site rebuild for davidcoen.it (work in progress)

    HTML