All your crypto questions answered.

Doctor Bitcoin, aka Mark “Rizzn” Hopkins, is a bitcoin enthusiast who’s been following all things cryptocurrency since 2011. If you have a cryptocurrency question, chances are he knows the answer, or knows someone who does.

The latest from Doctor Bitcoin

Rapid Report on the Bitcoin Blockchain’s Environmental Impact.

This week, there’s been a wildly incorrect report on the ecological impact of running the world’s Bitcoin mining machine, promulgated primarily by one digital researcher and one columnist over at Vice’s Motherboard. Our CEO, Mark “Rizzn” Hopkins, has tracked the growth and spread of Bitcoin in general dating back to 2011, and has issued reports […]

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“Bitcoin is a fraud,” – JP Morgan CEO Jamie Dimon.

I just can’t stop thinking about how dumb these Dimon quotes are. In case you missed it, the CEO of JP Morgan Jamie Dimon had harsh words for Bitcoin yesterday. He, during a Barclays conference, called it a “fraud … worse than tulip bulbs, it won’t end well” and that any JPMorgan “trader trading Bitcoin” […]

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Ask Doctor Bitcoin: A Quick Crypto FAQ.

For those who don’t know, I’m a cryptocurrency fan. I’ve been following all of this very closely since 2011, and I enjoy learning more technical details around blockchain as well as theorizing and architecting new solutions utilizing blockchain. I also sell cryptocurrency through my company, Roger Wilco. As such, this week perhaps more than most others, […]

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Ask Doctor Bitcoin: Do You Endorse the bitqy Token?

As many of you are aware, I’ve been active in endorsing a group of marketers’ endeavors in the Dallas startup community that has become active specifically in the cryptocurrency space. The key members of the group (which has grown and evolved since the beginning of my involvement) were Bruce Bise and Sam Mendez, both interesting and […]

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IBM Waston IoT interviews Mark Hopkins on how to secure IoT

“How can we address security in the #IoT?” New #quickbytes with #WatsonIoT Futurist @rizzn #blockchain #ibminterconnect pic.twitter.com/UQ1L72gsFg — IBM Watson IoT (@IBMIoT) March 22, 2017 Mark Hopkins, the founder of Roger Wilco Agency, attended IBM’s InterConnect conference in Las Vegas from March 19th to 23rd. During his visit, IBM Waston IoT held a brief Twitter interview […]

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Ask Doctor Bitcoin: What does a Trump Administration mean for Bitcoin?

If you’re an American, last week was really weird. Without a doubt, most folks had reconciled with the fact that we’d have America’s first female president, only to have the apple-cart upset at the eleventh hour. We’re now ushering in the age of Trump, and that means a great deal of un-imagined consequences and uncertainty, which […]

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2 ways Blockchain technology could have last week’s massive IoT-launched DynDNS attack

I’m attending IBM’s “World of Watson” event this week in Las Vegas, and one of the most murmured-over topics of conversation is the massive malicious application of IoT to execute one of the world’s biggest distributed denial-of-service attacks in the history of the Internet. In case you missed it, the short version is that millions […]

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Ask Doctor Bitcoin: What Makes Ripple a Unique Blockchain Technology?

Kevin Rose, founder of the famous Web 2.0 startups Digg and Rev3 Networks recently announced that one of his blockchain investments from his tenure at venture partner firm Google Ventures has raised even more money from some particularly unlikely sources: big banking. According to CNBC (and ostensibly confirmed by Kevin himself) the banking institutions include: […]

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Ask Doctor Bitcoin: What are the implications of Sandtander’s new cryptocurrency?

According to a report in the Financial Times this morning, Santander’s long promised foray into blockchain technology was finally disclosed upon. UBS, the Swiss bank, pioneered the “utility settlement coin” and has now joined forces with Deutsche Bank, Santander and BNY Mellon — as well as the broker ICAP — to pitch the idea to […]

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Ask Dr. Bitcoin: What is Dollar Cost Averaging?

The typical cryptocurrency enthusiast goes through a few steps as they continue their journey, particularly if they see any early gains with their crypto investments. Initially, they’ll put in some sum of money – usually small – into a cryptocurrency and see some amount of gains and get excited. They’ll either be excited by the gains themselves, […]

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Ask Dr. Bitcoin: What does the Bitfinex Heist mean for cryptocurrency?

So last night, as my team was readying itself for one of the most well-attended #BigDNT presentations in memory, my attention was elsewhere, as one of the most precipitous price falls in Bitcoin history was underway. I posted to my Facebook account a quick update at the time: So if you’re wondering why Bitcoin is […]

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Dr. Bitcoin on How to Install the Ethereum Mist wallet.

There’s been some interesting positive movement in the world of Ethereum, both locally in DFW as well as for the larger crypto markets. Just yesterday, Coinbase and GDAX announced support for Ethereum wallets and accounts on their web and mobile wallets – and last night at the weekly YoCoin meetup at Barista‘s event space, YoCoin […]

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YoCoin, a local Dallas-run cryptocurrency.

On Thursday evening, I was invited to give a brief talk at the meetup for a new cryptocurrency, YoCoin. I was first introduced to the group by happen-stance, when two locals from the marketing team for YoCoin came in to make a Bitcoin purchase. I’ve had the good fortune in the intervening time to get to know […]

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Fadi Chehade to head a new ‘authoritarian’ governance regime.

Fadhe Chehade, former CEO and President of Internet governance body ICANN, has sent ripples through the community following a recent decision to be the frontman a new Chinese government program to franchise their way of managing internet access to the world. Chehade is probably familiar to many of you in my circles, as he was a guest on my program, […]

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Dell’s move to Bitcoin reflects their philosophical core.

Maybe I nicked this statement from someone, or maybe I come up with it, but a phrase I use a lot when I talk to people about Digital Autonomous Organizations is “.. the economy and the state are engineering problems, not political ones.” What struck me from the Dell announcement around Bitcoin acceptance is this is reflective […]

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Ask Dr. Bitcoin: Is Bitcoin Anonymous?

A common misconception is that Bitcoin is an anonymous currency. What it offers is a kind of ‘pseudo-anonymity’ (or ‘pseudonymity’), which means that if the someone were inclined to trace Bitcoin transactions or investigate Bitcoin addresses, they can do so just by looking at Blockchain.info, BlockExplorer, or any a number of open source tools used […]

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Ask Dr. Bitcoin: Can I donate Bitcoin to politicians?

As someone who has a keen interest in cryptocurrency and has a history in political campaigning, I am one of those peculiar animals who knows Federal campaign finance laws and enjoys learning new things about them. [Disclaimer: I am not a campaign finance lawyer. I’ve been a journalist for far longer than I was involved […]

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Ask Dr. Bitcoin: How big of a terrorist threat is Bitcoin?

I’m traveling out West this week, in Las Vegas for EMCworld (catch the coverage I’m producing with the team on our live channel through Wednesday!), so for folks on the East coast, I’m sleeping in a bit later than them. You can imagine why I was a little bit alarmed this morning to get a […]

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Ask Dr. Bitcoin: Does Bitcoin Need Banks?

Whether or not there’s a place for banking as we know it in the world of cryptocurency is a hotly debated question among Bitcoin enthusiasts and stakeholders. “Unbank yourself,” and “Time for plan ฿,” are many of the slogans thrown about the Bitcoin world, symptoms of the sub-cultures ingrained abrasiveness to traditional banking. There is […]

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Ask Doctor Bitcoin Episode 10

On this week’s episode of Ask Doctor Bitcoin, we talk about exchanges—where you go when you want to exchange one currency for another kind of currency. We’ll specifically cover centralized and decentralized exchanges. What’s...

Cryptocurrency Exchanges Explained [ADB s1e10]

On this week’s episode of Ask Doctor Bitcoin, we talk about exchanges—where you go when you want to exchange one currency for another kind of currency. We’ll specifically cover centralized and decentralized exchanges. What’s That A cryptocurrency exchange is a place for you to take your money and turn it into other kinds of money. […]

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Ask Doctor Bitcoin Episode 9

The technology behind cryptocurrency and blockchain offers so many world-changing possibilities, and there are many ways companies can use the technology for good. Frustratingly, some persist in using the technology...

How to spot scamcoins [ADB s1e9]

The technology behind cryptocurrency and blockchain offers so many world-changing possibilities, and there are many ways companies can use the technology for good. Frustratingly, some persist in using the technology to perpetuate scams. Today, we cover two of those scams and give viewers a few tips on how to spot scam companies and scam coins […]

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Recovering Lost Wallets & Raiblocks Explained [ADB s1e8]

This week, Doctor Bitcoin details how to recover a lost bitcoin wallet and discusses the crypto project RaiBlocks XRB. How to: Most experienced cryptonerds will be able to find recoverable currency information for a ten percent finder’s fee—but before you run to the nearest bitcoin dealer, Mark’s recovery triage may save you the trip. Recovery […]

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