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    • Chief communications officer at Bitrefill

      • John Carvalho has been a dedicated and outspoken Bitcoiner for more than 6 years, working to defend Bitcoin and uphold ethical standards within the blockchain world. John is currently the chief communications officer at Bitrefill.
      bitcoinmagazine.com/authors/john-carvalho
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  2. Nov 28, 2019 · John is the CCO of Bitrefill, a swedish company that sells giftcards and phone refills for cryptocurrencies and offers “Thor” a lightning network services provider. He says, his higher boss is Bitcoin and he is working for bitcoin since it’s price was 10 USD.

  3. Dec 4, 2023 · John Carvalho is CEO of Synonym, a Bitcoin and Lightning Network service provider. In this interview, we discuss the potential impact of ETFs, the culture of Bitcoin developers, and the risks associated with AI technology.

  4. Apollo Safety's President & CEO is John Carvalho. See the full leadership team at Craft.

  5. View John Carvalhos profile on LinkedIn, a professional community of 1 billion members. Experience: Comcast · Location: Issaquah · 500+ connections on LinkedIn.

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  6. Jan 15, 2019 · One such person is John Carvalho, an often harsh voice in the world of Bitcoin. During the scaling debate, John was a regular on the mailing list discussions standing up for Bitcoin and pointing out the wrongs of those attempting to take control of the protocol.

  7. Biography. John Carvalho was born in Ponta Delgada, Azores and emigrated to Canada (Montreal) in June 1968 with his parents: José Miguel de Carvalho and Maria Ema da Cunha Goulart de Carvalho.

  8. May 21, 2019 · John Carvalho has been a dedicated and outspoken Bitcoiner for more than 6 years, working to defend Bitcoin and uphold ethical standards within the blockchain world. John is currently the chief communications officer at Bitrefill.