John Carvalho: No-nonsense Bitcoiner

John Carvalho is the COO of bitrefill.com, which allows users to purchase giftcards with crypto for a huge array of products and services all over the world. He is also respected for his thoughtful writing, which represents a valuable contribution to the space, and helps many people understand better what bitcoin is and how it works. Enjoy! More from John: WEBSITE: https://www.bitrefill.com/ TWITTER: https://twitter.com/johnkvallis More from Me: TWITTER: http://bit.ly/2P7PUjA FACEBOOK: http://bit.ly/30lRjUB INSTAGRAM: http://bit.ly/30r7IqY YOUTUBE: http://bit.ly/2TDeMy9 MEDIUM: http://bit.ly/2Zk0Dex