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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

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 […]

The post Ask Doctor Bitcoin: What does a Trump Administration mean for Bitcoin? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post 2 ways Blockchain technology could have last week’s massive IoT-launched DynDNS attack appeared first on Mark “Rizzn” Hopkins.

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: […]

The post Ask Doctor Bitcoin: What Makes Ripple a Unique Blockchain Technology? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Doctor Bitcoin: What are the implications of Sandtander’s new cryptocurrency? appeared first on Mark “Rizzn” Hopkins.

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, […]

The post Ask Dr. Bitcoin: What is Dollar Cost Averaging? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Dr. Bitcoin: What does the Bitfinex Heist mean for cryptocurrency? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Dr. Bitcoin on How to Install the Ethereum Mist wallet. appeared first on Mark “Rizzn” Hopkins.

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 […]

The post YoCoin, a local Dallas-run cryptocurrency. appeared first on Mark “Rizzn” Hopkins.

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, […]

The post Fadi Chehade to head a new ‘authoritarian’ governance regime. appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Dell’s move to Bitcoin reflects their philosophical core. appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Dr. Bitcoin: Is Bitcoin Anonymous? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Dr. Bitcoin: Can I donate Bitcoin to politicians? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Dr. Bitcoin: How big of a terrorist threat is Bitcoin? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post Ask Dr. Bitcoin: Does Bitcoin Need Banks? appeared first on Mark “Rizzn” Hopkins.

Bitcoin News

Danish police nab drug buyers using bitcoin tracking toolkit

Police in Denmark are claiming to have achieved a world first by being able to by hunt down internet drug traffickers by analyzing bitcoin transactions. According to local media (link in Danish), The Danish National Police Cyber Crime Center (NC3) has developed a new toolkit that has now been successfully used to prosecute two drug traffickers […]

The post Danish police nab drug buyers using bitcoin tracking toolkit appeared first on SiliconANGLE.

Two more major Japanese banks join funding for Japan’s largest bitcoin exchange

Tokyo-based bitFlyer Inc., Japan’s largest bitcoin exchange and blockchain financial technology company, today announced that three Japanese banking giants have joined in raising funds for the company. According to the press release, Sumitomo Mitsui Banking Corp. Venture Capital, Mizuho Capital Company—investment arms of Japanese “mega-banks” Sumitomo Mitsui Banking Corp. and Mizuho Financial Group Inc., respectively—and […]

The post Two more major Japanese banks join funding for Japan’s largest bitcoin exchange appeared first on SiliconANGLE.

Bitcoin markets remain volatile after Chinese exchanges suspend withdrawals

Bitcoin markets remain volatile today following the decision by a number of leading exchanges in China to suspend all withdrawals of the currency pending improved protections against money laundering and other illegal activity. The move to suspend bitcoin withdrawals was made on Thursday by BTC China, OKCoin and Huobi.com, the three largest exchanges in the country. […]

The post Bitcoin markets remain volatile after Chinese exchanges suspend withdrawals appeared first on SiliconANGLE.

SurBitcoin ceases trading as Venezuela’s war on bitcoin continues

Venezuela’s war on bitcoin is ramping up as the country’s largest exchange was forced to cease trading following the closure of its bank account. SurBitcoin informed its clients Feb. 3 that they should immediately withdraw their cash and cryptocurrency balances after its bank account at Banesco, the largest financial institution in Venezuela, was shut down without […]

The post SurBitcoin ceases trading as Venezuela’s war on bitcoin continues appeared first on SiliconANGLE.

Newly discovered malware targets wide range of cryptocurrency wallets

A new form of malware that steals bitcoin and other forms of cryptocurrency has been discovered by security firm Cyren Ltd. The as-yet unnamed malware is delivered via emails pretending to be notifications of online wire transfers, payment updates or swift transactions from banks such as Emirates NDB and DBS. The attachment to the email appears be a […]

The post Newly discovered malware targets wide range of cryptocurrency wallets appeared first on SiliconANGLE.

Former Federal Reserve employee fined for mining bitcoin at work

A former Federal Reserve employee has been fined $5,000 and placed on 12 months probation for mining bitcoin from a server at the central bank. Nicholas Berthaume, who previously worked as a communications analyst for the Federal Reserve’s Board of Governors, was alleged to have “installed unauthorized software on a Board server to connect to […]

The post Former Federal Reserve employee fined for mining bitcoin at work appeared first on SiliconANGLE.

Bitcoin trading volumes plunge in China following introduction of transaction fees

Bitcoin trading volumes in China dropped as much as 90 percent Tuesday after local exchanges introduced transaction fees for the first time. The three largest Chinese exchanges introduced the fee of 0.2 percent on all buy and sell orders in response to an ongoing investigation by China’s Central bank into whether the companies have correct licenses, have implemented […]

The post Bitcoin trading volumes plunge in China following introduction of transaction fees appeared first on SiliconANGLE.

Bitcoin Investment Trust files for NYSE IPO

Barry Silbert’s Bitcoin Investment Trust is heading to Wall Street with Grayscale Investments LLC, a wholly owned subsidiary of Digital Currency Group, Inc. filing initial public offering paperwork with the New York Stock Exchange. KCG Holdings Inc. and Wedbush Securities Inc., are listed as possibly underwriting the float, with  The Bank of New York Mellon acting […]

The post Bitcoin Investment Trust files for NYSE IPO appeared first on SiliconANGLE.

Daimler acquires bitcoin friendly digital payments company PayCash

German car maker Daimler AG has acquired PayCash Europe SA, a Luxembourg-based digital payments company that supports bitcoin. Founded in 2012, PayCash describes itself as an “Electronic Money Institution” that services the 28 European Union states with money transfers. Its platform includes a Mobile Payment Solution to offer and process mobile payments, an E-Money Solution to manage E-Money, […]

The post Daimler acquires bitcoin friendly digital payments company PayCash appeared first on SiliconANGLE.

Vandalism and extortion claimed in bitcoin ATM lawsuit

Bitcoin is considered by some to be nothing more than the currency of choice for drugs dealers and other nefarious actors online, but a strange case out of the Midwest shows that bitcoin related crime can occur in the offline world as well. In a complaint filed in the Northern Illinois District Court, bitcoin ATM provider Bitcoin […]

The post Vandalism and extortion claimed in bitcoin ATM lawsuit appeared first on SiliconANGLE.

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YoCoin News

The Blockchain is Taking Off in China!

The blockchain’s uses span far beyond cryptocurrency. Check out these articles on some of the ways it is taking off in China: Walmart and IBM Are Partnering to Put Chinese Pork on a Blockchain China’s Social Security to Use Blockchain Tech Blockchain is Behind a Massive $30B Smart City Project in China

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 […]

The post Ask Doctor Bitcoin: What does a Trump Administration mean for Bitcoin? appeared first on Mark “Rizzn” Hopkins.

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 […]

The post 2 ways Blockchain technology could have last week’s massive IoT-launched DynDNS attack appeared first on Mark “Rizzn” Hopkins.