Category Archives: Bitcoin

While one can't directly link the cryptocurrency rally to the boost in these two tech stocks, it's certainly plausible that it helped.

We're not saying Bitcoin prices boosted Nvidia Corporation (NVDA) and Advanced Micro Devices, Inc. (AMD) on Thursday. We're also not saying it didn't boost the stocks.

NVDA stock rallied 1.44%, while AMD stock climbed 1.85% on Thursday.Bitcoin prices though? They soared. At 11 a.m. ET, Bitcoin was trading at $2,357. By 2 p.m. the cryptocurrency was more than $2,600. The 13% rally in three hours wasn't enough, though. Bitcoin eventually climbed above $2,900 before falling back some. On global exchanges, prices are currently hovering near $2,770.

On Friday, shares of Nvidia initially opened lower but quickly turned to positive territory. Up almost 1% to $169.13, shares are near session highs. Likewise, AMD opened lower on the day too, but quickly shot up 1.6% to $14.02 and is also trading at session highs.

The rally in Bitcoin comes alongside government agencies taking down two of the dark web's biggest illegal online markets:AlphaBay and Hansa. Bitcoin and cryptocurrencies were a big part of the transactions that took place on these sites. But with cryptocurrencies branching out and becoming more mainstream, the demand remains robust. That's indicative by the price of Bitcoin.

More importantly, though, BIP 91 -- the Bitcoin Improvement Proposal -- rather suddenly has the support of more than 90% of miners. There were several proposals out there, butin a nutshell, BIP 91 is a way for the Bitcoin community to scale up the size of its market. This is being viewed as positive news by miners and investors.

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Bitcoin Prices Are Soaring and These Two Companies May See Their Shares Surge - TheStreet.com

This is a paid press release, which contains forward looking statements,and should be treated as advertising or promotional material. Bitcoin.com does not endorse nor support this product/service. Bitcoin.com is not responsible for or liable for any content, accuracy or quality within the press release.

Establishing the Ownership and Licensing of the Worlds Creative Digital Assets

Po.et, a new protocol designed to accelerate solutions for the digital media industry utilizing blockchain technology and timestamped metadata to create proper attribution and licensing opportunities for publishers have announced their invitation-only POE token sale for August 8, 2017.

The core objectives of Po.et are to create a platform which simplifies the process for publishing, licensing and authentication of digital assets. Simplifying the publishing process necessitates solving the issues of document integrity, licensing, arbitrage, analytics, syndication and attribution of digital assets. Po.et aims to create a Bitcoin blockchain-based platform with added smart contract functionality and applications to facilitate distribution of digital creative works and remove marketplace friction for publishers, editors and content creators by solving these issues, as well as creating greater cost efficiencies in hashing metadata than previously introduced.

Po.ets platform includes a digital media licensing marketplace and its core product the immutable portfolio, an asset wallet for all creative digital assets where territory and search parameters are considered for licensing and monetization. Po.et is ultimately laying the foundation for an open, blockchain-based protocol for decentralized media applications. The Po.et native token (POE) serves several purposes: To bootstrap the network effects of Po.et by creating a community of engaged, invested stakeholders and publishers. To raise funds for the long-term development of Po.et and to provide a mechanism to economically reward early adopters and positive contributors to the Po.et network.

There is a foundational race right now to solve key vertical challenges for the publishing industry. Po.et is born out of a pain we felt deeply at Bitcoin Magazine and we have partnerships identified to work in tandem to create solutions through the Po.et protocol attribution and licensing marketplaces, said David Bailey, CEO of BTC Media.

Po.et has previously raised $1 million USD in a pre-sale of tokens from media veterans, institutional investors, and blockchain entrepreneurs. Now Po.et is aiming to raise an additional $9 million USD through the sale of the POE token, which represent a share of revenue generated from commercial activities on the Po.et network.

Of the 3,141,592,653 POE tokens released, 50 percent will be distributed to the community. Of the remaining POE tokens, 10 percent will be distributed to the early investors who funded Po.et development prior to the token sale. An additional 10 percent will be distributed over time topublishers, journalists, alpha publishing partners and others who contribute to growing the Po.et network. The Po.et Foundation will retain 22 percent of all POE tokens for long-term development, with the remaining 8 percent going to the early team and founders.

ABOUT PO.ET: Po.et Proof of Existence 2.0 is a Bitcoin blockchain protocol that establishes an open, universal and immutable ledger for managing the unalterable ownership, attribution and licensing of creative digital assets. Po.et builds a bridge between creators and publishers and enables the discovery of new content and verification, authenticity and authorization of generated content through a truly transparent and timestamped system of attribution. Po.et is based in Singapore and the United States, with offices in Los Angeles, CA. For more information about Po.et, please visit po.et.

For further info and the official Po.et whitepaper, visit their website at http://po.et. For media inquiries or to schedule an interview, contact Jill Richmondor call (973) 710. 6073.

This is a paid press release. Readers should do their own due diligence before taking any actions related to thepromotedcompanyor any of its affiliates or services. Bitcoin.com is not responsible, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on any content, goods or services mentioned in the press release.

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PR: Announcement of Po.et's Token Sale August 8, 2017 - Bitcoin News (press release)

At approximately 00:06:48 UTCtoday, July 20, at block height #476768the bitcoin network finished the BIP91 lock in period and entered a new phase in order to activate the protocol Segregated Witness (Segwit). Now during the lock-in period, there will be another 336 blocks, until Segwit will be activated on Bitcoins main network.

Also read:Predicting the August 1 Split Flow Chart the Hard Way

It seems the Bitcoin network may see the implementation of Segwit in the near future. Miners have reached the 80 percent threshold and held this position for 336 blocks to initiate the current lock-in. Another period of blocks mined at this threshold must take place in order to activate the protocol. During the morning of July 20 bitcoin markets have rallied from a price of $2300 per BTC the day before, to a high of $2930. Many bitcoin proponents across forums and social media believe the price spike is due to the anticipated lock-in and activation.

Segwit is a protocol that was introduced in 2015 by bitcoin developer Pieter Wuille at the Hong Kong Scaling Workshop. The implementation creates a mechanism that relocates witness inputs away from transactions which in turn may create more block space. Full nodes will validate blocks but with a separate entry for signature data. Essentially, because this specific data is removed, supporters believe it can free up block size space to achieve more on-chain throughput.

The code was prepared a long time ago, and network participants failed to get it activated and also had to deal with a higher threshold of 95 percent. Moreover, many bitcoin proponents believe Segwit isnt enough and want a block size increase. This has led to many arguments and failed roundtable agreements. Now since Barry Silberts New York Agreement miners who chose not to support Segwit in the past, promised to support the implementation in exchange for a 2MB hard fork.

The July 20 lock in periodstarted going much faster once other miners joined the BIP91 signaling. This includes GBminers, Slush, and the anticipated signaling from the well-known F2poo,l which seemed undecided throughout most of the debate. Currently, a great majority of mining pools are supporting the lock-in period threshold, just a few percentages over 80 percent. After the next 336 blocks, and if all is successful with this plan, BIP91 will be enforced at block height 477120. Following this block there will still be a couple weeks of wait time until Segwit is officially active. The process of activating Segwit may not be super smooth, as there also could be problems with blockchain reorganization, a client issue where the bitcoin network doesnt reorganize in unison.

For now, it seems the Segwit2x roadmap is going as planned. Following the activation of Segwit, developers and networkparticipants will then prepare for the 2MB hard fork that should follow 12,960 blocks later (~3 months).

Three plus months is the fallback safety measure, in case activation is slower than predicted, explains Jeff Garzik the Segwit2x working group developer.

Do you think Segwit will be activated? Let us know what you think in the comments below.

Images via Shutterstock, Coin Dance,and Pixabay.

Need to calculate your bitcoin holdings? Check ourtoolssection.

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Bitcoin Mining Pools Initiate Segwit Lock-in Period - Bitcoin News (press release)

However, the process isn't always entirely straightforward. Legal bitcoin services are heavily regulated, given the currency's association with online black markets, and its cryptographic nature means security protocols can be complicated.

A bitcoin wallet is where you hold your bitcoins. Alternatively you can download the entire bitcoin program (around 150GB), but you're probably not going to go to those lengths, and there's no reason whyyour computer is more secure than a popular website, so the best option is to use an online wallet, which is sort of like a digital bank account.

There is no shortage of wallets, but one of the biggest and most popular is Blockchain.info, which is backed by millions in venture capital funding and has an easy to use website and mobile app. It also takes security steps to make sure your bitcoins are as safe as they can be.

Go to Blockchain.info/wallet to sign up, or download the mobile app. The sign up process is as easy as doing so for an email or social media account.

Blockchain.info has a series of security measures that you should take to make sure your bitcoins are safe once you do get your hands on them. Other wallets are likely to have the same protocols.

Note down your Wallet ID, found in Settings (you'll need it again to log in in future), and use the security centre to verify your email, set up two-factor authentication and so on. After that, you're ready to buy.

Once you've got your wallet, you're ready to add some bitcoins to it. As of the time of writing, one bitcoin is worth over 1,500, but fear not - they are infinitely divisible, so you can buy 10 worth (about 0.005 bitcoins) if you want.

To do this, you have to find a broker. If you're getting confused, think of it like buying a foreign currency from the Bureau de Change: the wallet is your bank account and the broker is the Bureau de Change.

Brokers are the ones handling your real money - you send them cash via a credit card, bank transfer or some other method, and they send bitcoins to your account. Because of this, they often have strict "Know Your Customer" requirements that include identity verification.

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How can I buy bitcoin in the UK? - Telegraph.co.uk

Bitcoin L Navigation

BTC marketplace last 24 hours

The markets table will display all the current markets of the digital asset you have selected. This will switch the current asset back to the index level.

Bitcoin market last 24 hours

The exchange table below displays all the marketplaces of the digital asset you have selected. It is optional to select up to 5 exchanges at once to compare with the current market you are viewing. This will be listed above the chart with its price and volume for any specific period the chart's time frame is displaying. If any specific exchange is down or no data is displayed, this will be detailed with the reason at the bottom of this table.

Bitcoin is one of the first implementations of a concept called crypto-currency, which was first described in 1998 by Wei Dai on the cypherpunks mailing list. Building upon the notion that money is any object, or any sort of record, accepted as payment for goods and services and repayment of debts in a given country or socio-economic context, Bitcoin is designed around the idea of a new form of money that uses cryptography to control its creation and transactions, rather than relying on central authorities. In 2009, the first Bitcoin specification and proof of concept was published in a cryptography mailing list by a member under the pseudonym of Satoshi Nakamoto. Towards the end of 2010 Satoshi left the project, saying he had moved on to other things. The creator of Bitcoin never revealed his identity and simply left his invention to the world. The origin and the motivation behind Bitcoin are still today a great source of mystery. Since 2010, the Bitcoin community has grown with many developers working on the project. During June and July 2011, Bitcoin suddenly gained media attention leading to a massive buy rally. The resulting bubble slowly deflated through the latter part of 2011, and since then the value of Bitcoin has slowly climbed once again back to its 2011 heights. On September 27th 2012, the Bitcoin Foundation was created in an effort to standardize, protect, and promote Bitcoin.

SHA-256

6 Confirmations

210,000 Blocks

12.5

600 Seconds

Proof-of-Work

2016 Blocks

0%

8332/8333

21,000,000

CPU-GPU-ASIC

Jan 3, 2009

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Below isa detailedflow chart graphic that depicts the possible outcomes to the upcoming scaling proposals that may be implemented in the near future. We hope to help our readers get a better understanding of whats going on with these specific Bitcoin network developments.

Also Read:The Blockchain Split Scenario: Staying Informed and Backing Up Bitcoin Keys

Over the next few weeks, the Bitcoin network and its participants may see some scaling proposals implemented to the protocol and the subject can be confusing. Right now there are multiple scenarios between three possible plans that include a user-activated soft fork (UASF), Segwit2x, and a user-activated hard fork (UAHF). Weve done a run down of each proposal, community sentiment, and possible outcomes in recent articles to give our readers some information on the topics.

We want to take it a bit further and give our readers a visual glimpse at the possible outcomes of Segwit2x, UASF, UAHF, all the Bitcoin Improvement Proposals (BIP) involved, signaling periods, and a timeline of dates and requirements. Bitcoin.com would like to also thank our friends Hampus Sjberg, Eric Wall, and Tomislav Dugandzic for allowing us to use the initial template for this flow chart.

At the moment there is a lot of support showing for BIP91 with intentions to activate Segregated Witness (Segwit) as part of the New York Agreement (NYA) roadmap. At the time of writing as you can see from the chart below BIP91 support is approximately 80.5 percent and the proposal needs to maintain 80 percent to lock in Segwit over336 blocks. Following a successful lock in period another 336 blocks has to pass to successfully activate Segwit. After the Segwit activation, NYA participants agreed to implement a 2MB hard fork which is proposed to take place ~3 months after the Segwit activation.

Another part of the discussion is the two user-activated forks that may be attempted on August 1. If Segwit2x fails to activate Segwit, then there is a possibility both user-activated forks will proceed with their plans on that date. UASF participants will then try to activate Segwit using full nodes aimed at blocking non-segwit blocks and hoping hash power will follow this move. Further, the UAHF is a contingency plan against this effort and plans to utilize a bitcoin implementation called Bitcoin ABC. This plan will remove segwit from the bitcoin code and use an adjustable block size instead. Moreover, the company Viabtc has pledged to support Bitcoin ABC with its own mining pool and will call the token Bitcoin Cash if the protocol splits off from the main chain.

Additionally, there have been some exchanges that have announced how they will handle a possible Bitcoin network fork. So far multiple exchanges have issued contingency plans and warnings about the possible network changes planned. This includes exchanges such as Bity, GDAX and Coinbase, Chinas top three trading platforms, and thirteen Japanese cryptocurrency exchanges have made statements concerning these events. On August 1 specifically, these exchanges say they will likely disable deposits and withdrawals, and possibly halt trading as well.

In addition to the announcements from nineteen global bitcoin exchanges on July 19, the firm Coinbase announced it would not support the user-activated hard fork and its associated token. The San Francisco-based bitcoin company says it will not honor the UAHF blockchain because it is incompatible with the current Bitcoin ruleset and will create a separate blockchain. Coinbase users are advised to withdraw their bitcoins from Coinbase by July 31st if they desire access to UAHF coins. Nevertheless, the trading platform will monitor the UAHF situation but doesnt plan on supporting any new blockchains anytime soon.

What do you think about the upcoming network changes? Let us know what you think about our flow chart in the comments below.

Images via Shutterstock, XBT.eu, Hampus Sjberg, Eric Wall, Tomislav Dugandzic, JCBA, Pixabay, and Bitcoin.com.

Do you want to vote on important Bitcoin issues? Bitcoin.com has acquired Bitcoinocracy, and rebranded the project to Vote.bitcoin.com. Users simply sign a statement with a non-empty Bitcoin address and express their opinions. The project focuses on determining truth backed by monetary value and transparency.

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Predicting the August 1 Split Flow Chart the Hard Way - Bitcoin News (press release)

Two of the most popular cryptocurrencies have a bit of a hangover after a wild weekend theyre only now starting to recover from.

Bitcoin and ether bothtech-based alternative currencies essentially crashed over the weekend before rebounding sharply on Monday, racking up the kind of gains in one day that normally takesix months or a year in the stock market.

Though no single news event drovethe last few days dramatic swings, a few occurrences, taken together, help explain the roller coaster.

But whatever causedthe weekends fluctuations, the markets stabilized on Monday. Ether rose almost 9 percent, while bitcoin gained 10 percent. Both, however, aretrading well below their June highs; ether is down almost 30 percent, and bitcoin, almost 60 percent.

On the bright side, early buyers of cryptocurrencies have still made a ton of money. Despite the recent downward trend, the price of bitcoin has still nearly tripled over the last 12 months, while ether is up more than 10 times its price a year ago.

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The bitcoin bump has turned into a beating - VICE News

Executives from health to cannabis discuss regulation at Fortune Brainstorm Tech 2017.Stuart Isett for Fortune Brainstorm Tech

A few years ago, it was popular for startups to follow the path forged by Uber and AirBnb, ignoring regulations and laws to build a business first and deal with legal complications later.

But several startups fields as varied as housing, finance, and marijuana went a different way, and they've succeeded by playing nice with the regulators instead.

"Silicon Valley's fixation with disruption can be counter-productive," Brad Garlinghouse, CEO of Ripple, said at the Brainstorm Tech conference on Tuesday. Ripple helps banks use some of the technology behind bitcoin for other financial transactions.

Garlinghouse is worried that some other bitcoin-related startups ignored regulations, which will lead to major problems down the line. "Heavily regulated markets are typically regulated for a reason," he said, pointing to the recent theft of $7 million from a cryptocurrency fundraising effort of Israeli startup CoinDash. "It's the lack of regulation gone awry," he added. "Frauds are happening; people are going to go to jail."

While some bitcoin startups opted to go around regulators and others cooperated, in other industries ignoring the regulatory issues is much harder, creating more of an incentive to cooperate from the beginning.

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Colorado is one of just a few states has legalized marijuana consumption. But pot is still illegal at the federal level, making the regulatory environment complex, Kyle Sherman, CEO of startup Flowhub, said. Helping marijuana suppliers and retailers track the movement of the product along the supply chain, from farm to distribution center to store, Flowhub also reports data to state regulators.

"We realized this had to be a collaborative effort," Sherman said. "We're not just building a business, we're building an industry."

The startup Common is helping to build apartments that will be designed to attract unrelated people, essentially roommates, to live together. CEO Brad Hargreaves said with big, long-term, building projects, there was too much risk in flouting zoning and community approval rules.

"We started in 2015that was sort of peak of anti-regulation, that was really when Uber and AirBnb were doing tremendously well from their strategy of not playing well with regulators," Hargreaves said. But building buildings is a much larger and more permanent endeavor than relying on contractors who drive their own cars or rent their own homes. "We're much more sitting ducks."

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Bitcoin, Pot Startups Embrace Regulations to Succeed - Fortune

The Japan Cryptocurrency Business Association has officially announced its plan on how to deal withthe possibility of a Bitcoin protocol split on August 1. Thirteen of the groups bitcoin exchange members, including Coincheck, Gmo-Z, Bitbank, and Bitpoint, will suspend bitcoin deposits and withdrawals on August 1 at 00:00 Japan time.

Also read: Japans Cryptocurrency Business Association Plans for August 1 Guidelines

The Japan Cryptocurrency Business Association (JCBA), formerly known as the Virtual Currency Business Study Group, announced on Tuesday its official plan forAugust 1.

Thirteen bitcoin exchange members of the association have agreed on how to deal with the possibility of a Bitcoin protocol split, which is expected on August 1 at 9:00 am Japan time, the JCBA detailed.The occurrence of forking affects the transmission and receipt of bitcoins by all bitcoin users, and it is expected that all related virtual currency exchange operators and service providers will be seriously affected.

The exchanges have collectively declared:

We decided to temporarily stop accepting bitcoin deposits and withdrawals at each exchangeWe will stop only the services related to depositing and withdrawing bitcoins, but we will provide our other regular services for virtual currencies and legal currencies.

Currently, the following 13 bitcoin exchanges are members of the JCBA that have agreed to this plan.

Japans largest bitcoin exchange by volume, Bitflyer,isnot among the list of members of the association. According to a July 13 article by Nikkei, the exchange has not decided on a plan for the possible disruption, but is expected to come out with one this week.

The suspensions will commence on August 1, 2017, at 00:00 Japan time. However, the JCBA warns that in the event of the fork happening sooner than Aug 1, the suspension date/time may be advanced depending on the situation.

The official service restart date and time following the network disruption is still undecided, the association noted, adding that (loosely translated):

We plan to update the acceptance of bitcoins and the resumption of withdrawals by 16:00 August 4, 2017 (Japan time).

What do you think about the JCBAs plan to deal with the upcoming disruption? Let us know in the comments section below.

Images courtesy of Shutterstock and JCBA

Need to calculate your bitcoin holdings? Check ourtoolssection.

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13 Japanese Exchanges Agree to Suspend Bitcoin Service on August 1 - Bitcoin News (press release)

Bitcoin is a decentralized system of digital cash in which users dont need to trust anyone else with their money; however, the full benefits of this technology are only seen when users operate a full node on the network. The vast majority of Bitcoin users do not operate their own full nodes, but one man is trying to change that with a piece of hardware he calls the Bitcoin Block Clock Jr.

There are many good reasons for individual Bitcoiners to operate a full node. Full nodes are responsible for validating transactions and blocks on the Bitcoin network. Only by running full nodes can users know with full certainty that they received a valid payment. Additionally, the more users that run full nodes, the more decentralized the Bitcoin network is, making it harder to shut down or corrupt.

And as Sia Co-Founder David Vorick pointed out in a talk at this years MIT Bitcoin Expo, those who do not operate their own full nodes do not get a say in the matter when hard forks are deployed on the network. If youre not running a full node your opinion on whether or not you like a hard fork is less relevant because, ultimately, if youre not validating the rules and someone gives you a transaction following a different rule set, you dont have a way to detect that, he explained.

Running a full node, however, has been a rather expensive proposition. As a result, larger, economically invested entities that are better able to support full nodes have had more of a say.

According to Vorick, users can be dragged along with miners and large businesses if the cost of running a full node is too high: If full nodes are expensive to run, only people who are capable of running nodes really have any say in what happens in a contentious upgrade.

Matthew Zipkin is the man behind the Bitcoin Block Clock. A sound engineer by trade, he has been working in his spare time on creating full nodes that are both affordable and fun to use. During a recent discussion with Bitcoin Magazine, Zipkin revealed his desire to create a piece of hardware for operating a low-cost Bitcoin full node that isnt boring.

When commenting on his reasoning for creating the Bitcoin Block Clock, Zipkin pointed to the full node devices made by Bitnodes before they were acquired by 21.

I always wanted one, but they disappeared when they got bought out, so I decided to build my own, said Zipkin.

While there are other full node options out there, such as Bitseed, Zipkin wanted to make something that was more than a piece of computer hardware that would sit on the floor next to a router. Zipkin wanted to turn a Bitcoin full node into a work of art, and thats exactly what he did.

Zipkin built the first version of the Bitcoin Block Clock last year, and it was on display at the SF Bitcoin Meetups Proof of Art event in May of 2016. After receiving positive feedback at the event and on Reddit, Zipkin decided to make a smaller version of the full node hardware to sell.

The Bitcoin Block Clock included a screen that displayed various live information about the Bitcoin network. Zipkin put the original version of the Bitcoin Block Clock for sale on OpenBazaar and Purse.io, but it hasnt sold.

I priced it pretty high because its art and I love it and kind of want to keep it, explained Zipkin. So of course it still has not sold.

In an effort to create a version of the Bitcoin Block Clock that could be produced at a lower price, Zipkin turned to Raspberry Pi Zero and Bcoin, which is an implementation of the Bitcoin protocol written in Node.js.

I discovered Bcoin was super easy to install and use, and the codebase was easier for me to review because its in Javascript instead of C++, and was built from scratch by a small group of developers (basically just two guys), so everything is really well labeled and consistent, explained Zipkin.

Of course, the problem with using SPV mode is that its not a full node and the device wont receive all of the information related to a new Bitcoin block as its mined on the network. Zipkin opted for the pruned full node option in Bcoin in an effort to lower the system resources required to operate the node on Raspberry Pi Zero.

With pruning, I get all the fun block details I wanted to display, said Zipkin. I even submitted a pull request (which got merged!) to Bcoin to make my application work even easier.

Zipkin described the LED displays on the Bitcoin Block Clock Jr. as follows:

The Bitcoin Block Clock Jr. has two LED rings. The outer ring of 24 LEDs indicates recent blocks. Each LED represents 2 minutes, and they tick clockwise around the ring. The color of the LED is determined by the blocks version (BIP 9 version bits combined with keywords from the Coinbase scriptSig like /EXTBLK or /EB1/AD6/). The inner 16-LED ring indicates the progress of the current difficulty period (2,016 blocks, or about two weeks). It starts blue and gradually turns more and more red as the meter fills up. The tiny little display screen indicates some details about the latest block: height, size, version (and extra scriptSig version) and the adjustment period progress. I added a little web interface so I could turn the lights off at night without having to SSH into the Pi every time.

While Zipkin noted that the original Bitcoin Block Clock displays much more information and also comes with full wallet functionality, he also pointed out that the latest model proves that Bitcoin users only need about $20 to run their own full nodes (at least in pruned mode).

Having said that, Zipkin admitted that the Bitcoin Block Clock Jr. can struggle to keep up with the network at times.

Bcoin plus my Python script and all the GPIO display output just barely hangs in there on this tiny underpowered computer, said Zipkin. The Python script has a method to restart Bcoin when it crashes and monitor it as it catches up to the network.

All of the technical details of the Bitcoin Block Clock Jr. are open source and can be found on GitHub.

Zipkin has now placed the Bitcoin Block Clock Jr. for sale on OpenBazaar and Purse.io.

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The Bitcoin Block Clock Jr. Is Half Full Node, Half Work of Art - Bitcoin Magazine