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1  Bitcoin / Mycelium / Mycelium new wallet and crowdsale on: April 27, 2016, 12:46:01 AM
We at Mycelium are officially announcing our new wallet, along with all the features that, until now, we have been keeping secret. The new wallet will also be simply called Mycelium, since it will no longer be just a typical wallet. Here are some of the features to look forward to:

  • A plug in API that will allow anyone to integrate their own services and features directly into the wallet. Mycelium Wallet already supports multiple features - like Locks, Cashila, Trezor, Ledger, and soon Glidera - and we constantly get requests from companies asking us to add their services to our app. But every time that procedure involves our developers sitting down and coding the features themselves, for weeks at a time. This severely limits the number of third party support we can implement, and distracts us from adding new innovations happening with Bitcoin itself. As you know, Bitcoin has new things invented and added constantly, so just keeping up with that is a full time job. With the new API, businesses and developers will be able to add their own plug-ins quickly and easily, without bothering to beg us every time. This also allows businesses to focus on their core business strengths. For example, an exchange's main job is to create and manage trades. Making a custom wallet specifically for their exchange is a distraction and an unnecessary cost. With our wallet, they can let us focus on the front-end, UI, and trade functions, while they focus on just making sure all their users' money is handled securely and trades are settled correctly. Eventually we plan to have Mycelium be your one-stop app for all your crypto and finance needs, storing, trading, and managing all your cryptocurrencies, digital assets, and even fiat accounts.
  • Support for multiple currencies and digital assets. The new Mycelium app will support many more digital assets besides just Bitcoin. With the help of the plugin API architecture, anyone would be able to add support for any type of currency or asset, be it Litecoin, Doge, ColoredCoin, Ether, Factom, or personally issued assets like stocks, tickets, or hotel keys. We are uniquely positioned to have an advantage in this, because Mycelium already runs a set of highly optimized backend servers that handle and transfer digital assets. We plan to extend this backend architecture to support many more such assets.
  • Mycelium is becoming a full financial management suite. We will no longer be developing just another wallet, but something that will be similar to applications like Quickbooks and Mint. The new app, besides helping you manage various assets, will let you perform a large number of financial management functions, from creating, tracking, and paying invoices, to tracking budgets, revenues and expenses, profits and losses, inventory, and customer and contact lists. There will also be social media integration, and encrypted communication built right into the app. The goal is to allow anyone, from someone managing their personal finances to someone running their large business, manage all their finances right from our app, whether it is sending money to family and friends, or tracking business expenses and making sure their customers and vendors are taken care of.
  • Support for multiple platforms. Mycelium is switching to the ReactNative platform, and going fully open source. The new platform will allow us to run mostly the same code on Android and iOS (with Windows Phone and eventually PC in the near future, too). All users will have the same user experience, and have access to largely the same functions (except for some hardware limitations).


We have been working on this new wallet in secret for over six months, and have decided to allow our most loyal users and supporters to share in our future growth. We are positioning ourselves to be the one wallet for all your needs, with the largest number of customer use due to widest third party support, and largest third party development due to the largest number of users. Our future revenue will come from licensing and revenue sharing from third party plugins, as well as from services we at Mycelium will develop ourselves (Gear, Swish, Card, etc.). Effectively, we plan to be like a Google Play or Apple Appstore of all things related to crypto finance. To let our users participate in the growth and help us along with development, we will be having a crowdsale, selling a 5% non-dilutable stake in Mycelium (SAR) directly on the blockchain. To find out more, please check out https://wallet.mycelium.com
2  Bitcoin / Mycelium / Mycelium Entropy update on: October 29, 2014, 05:57:22 PM
Hi guys. Here is the update on the Entropy progress. The software is done, the hardware is finalized, the CE compliance is done (shown on the USB connectors in the image below), and the circuit boards are finished and ready for assembly. We were expecting them earlier, but because we changed the cases from plastic to metal, we ended up having to move chips around on the board to make sure they fit into the slimmer cases. As a result, the devices are much more durable, the metal case shielding makes them resistant to any EM interference, and it spares us from needing to go through extensive FCC and CE testing. (You can see the comparison of the old design to the new cases in the image links below).

Because we were not completely sure that the slightly redesigned boards would fit and align with the cases correctly, we had to only order a few sample cases so we could test them to see if they fit right. Since the circuit boards are at the assembly facility, we created an exact 3D printed replica of the board to test the fit (picture below). Now that we know that they fit ok, the cases are being ordered, and as soon as they get here, everything will get assembled, flashed, packaged, and shipped out. Sadly, and unexpectedly, the company making the metal cases has given us a 6 week estimate as their expected production and assembly time. So although we have everything else ready, we apparently miscalculated on the estimate for how long it would actually take to put the things together. In short, when we guessed way back in June how long this would take, we ended up guessing wrong, and we are extremely sorry about that. Yes, we are aware of the ridiculous trend of delays in this market, and we were really hoping that we wouldn't be another example (for a while we actually thought that maybe we could get them out even before October), but we are practically finished at this point, and just got surprised by the final step.

On the bright side, this does give us extra time to tighten up the software security even more. Actually, in a way, all our delays - from moving expected shipping to late October instead of earlier (after initial feedback led us to add many more entropy sources to protect against compromised hardware), to the metal cases slowing us down now (which we decided on after we received concerns about interference from nearby high voltage power lines) - have been due to the feedback and suggestions in security improvements from our community. In a way, this project became an open collaborative process, with a lot of discussion and feedback, and although it slowed things down a bit, it did increase the security of the devices considerably. We have increased the number of entropy sources, and added even more internal tests against outside interferences (such as fluctuations in temperatures, magnetic interference, timing, etc) to make sure the entropy sources are not compromised. We also added custom settings, such as switching between Bitcoin, Litecoin, and testnet, switching between compressed and uncompressed keys, and software key signatures for those who want to build their own firmware. With the delay, we will use this extra time to add even more customizable security settings, such as the ability for you to add your own random salt (such as Diceware) so you can generate verifiably random keys even without having to trust us and our hardware suppliers, as well as tools for users to obtain the raw random data which is generated by Mycelium Entropy every time it is plugged in, and to analyze it to verify that this seed random data contains more than enough entropy on the random seed to properly generate a unique private key, that the random seed data is unique, and there are no deterministic techniques used to generate it (that it is really an entropy-based white noise collected in the silicon of the Entropy device microcontroller).

When we are done with these things, they will probably be the most secure private key generators on the market (not counting your printer security...). To help with that, we are also now releasing the source code for the Entropy devices, which you can find here:

https://github.com/mycelium-com/entropy

Please feel free to review the code, and let us know if you have any concerns about anything, or if you want us to add something or even contribute your own code. For those looking to add altcoin support, now is your chance to figure out how as well.

* [Old device design](http://i.imgur.com/IVmisRt.jpg)
* [New device design](http://i.imgur.com/aLq7nbN.jpg)
* [New device in case](http://i.imgur.com/lKU8OM0.jpg)
* [3D printed circuit board to test fit](http://i.imgur.com/gwNqpso.jpg)
* [USB connectors w/ CE certification](http://i.imgur.com/UHlvZlN.jpg)
* [Engraved cases](http://i.imgur.com/6ySzZMz.jpg)
3  Bitcoin / Mycelium / Mycelium 2.0 HD - Welcome to the future on: October 07, 2014, 02:38:54 PM
Quote
    Address reuse is not for me
    So I am waiting for HD
    For even greater satisfaction
    I want to label my transaction
    And then there is a third temptation
    Cold spend with zero confirmation

    That's why I beg you, please:
    Release!
    -- Jan Dreske (Mycelium Developer anxious to get this thing out to the public)

Over the summer the Mycelium dev team has been working hard to make Mycelium 2.0 a reality. Our 200+ beta testers have given us great feedback and today, our biggest and most significant wallet update has finally been released for everyone.

Direct download: https://mycelium.com/bitcoinwallet
On Google Play we use staged rollout, where it is released gradually over the next few days: https://play.google.com/store/apps/details?id=com.mycelium.wallet



New Features:

* Added support for BIP32/BIP44 compliant HD accounts based on a single master seed
* A much simpler backup that uses a word list to backup all your HD accounts (BIP39)
* No more address reuse, which greatly increases privacy
* You can label transactions in transaction history
* Transactions can be created with poor or no internet connectivity, and be broadcast later
* You can now have unlimited number of watch-only addresses
* Cold Storage spending now let's you spend unconfirmed inputs


What does HD mean?

HD is short for Hierarchical Deterministic. Typically, bitcoin wallets generate each new bitcoin address from a unique random number, requiring a separate backup of each new address. To avoid losses from lack of backups, such wallets use a single bitcoin address for all your transactions. HD wallets instead use a “master seed” (a single large random number), to derive all future bitcoin addresses sequentially from that single seed. This means that you only need to make a backup once, and all the keys generated by an HD wallet can be restored at any time in the future just from that single master seed. HD wallets greatly improve your privacy by being able to keep generating new addresses. If you use the same address continuously all your transactions will be associated with a single address, and because all bitcoin transactions are public anyone can see what addresses you are sending funds to, and calculate your total balance. With an HD account new addresses are created whenever you send and receive funds, making your transaction activity and total balance very hard to track.


But I liked it the way it was! Will I have to change the way I use it?

All your keys, addresses and address book entries will be retained when you upgrade your app. The tab previously named “Keys” has been renamed to “Accounts.” Your old bitcoin addresses will become single address accounts, and you can continue to use them as before. We do advise that you switch to new HD accounts, though. You will also see your first empty HD account, which you can start using right away.


What about previous backups? Do my old ones still work?

Yes. You can still import keys and addresses you backed up with the previous version of Mycelium Wallet. However, we have removed the ability to create backups of single keys, or create new single addresses accounts. Instead, we advise you to backup your master seed and move your funds to the new HD wallet. As long as you keep your old backups, though, you will be able to recover your legacy accounts using Mycelium. To import a private key, switch to the “Accounts” tab, tap the icon with a key and plus symbol in the upper right corner, and select “Advanced”. Then scan your encrypted private key and enter the password.


Will I be able to continue to use my current Local Trader identity?

Yes. Your Local Trader identity will get carried over to the new version when upgrading along with your private keys.


How do I make a backup?

To create a backup, either tap the “Secure My Funds” button on the main page, or choose “backup” from the menu. You will be shown a list of words, one after the other. Write those words down with pen & paper. You then have to type in the words again, to make sure you got everything right. Store this word list in a safe place! Anybody who obtains this list can access current and future funds in your wallet!
Note: The backup procedure only backs up your HD accounts. Your classic single address accounts are not part of this backup procedure.


How do I restore a backup?

If your phone is lost or damaged you can make a fresh install of the mycelium wallet on a different device. Upon startup, choose “Restore Backup”. Choose 12 as the length of your word list, and let the “password” checkbox unchecked, and proceed to enter your word list. This recreates your master seed and automatically creates and synchronizes your first HD account. It might take some time until your first account is synchronized and the balance updates. If you had more than one account, navigate to the “Accounts” tab, tap the button with a key icon and plus on the upper right corner, and choose “Add HD Account” to re-create your second account, etc. Note: This procedure only restores your HD accounts. To restore your classic accounts you have to manually import each key/address by going to the Accounts tab, click the + button, select Advanced, and then Import. If your previous Mycelium installation had a Local Trader account you can recreate your trader account and data by clicking “Buy/Sell Bitcoins”, select the “My Info” tab, click “Create” and select the account that your local trader identity was associated with.


Can I restore a BIP44 wallet created with other software?

Yes. When you start a fresh install of the app you get the option to restore a backup. You can choose between word lists lengths of 12, 18, or 24 words, and also supply an optional password in accordance with BIP44. This way you can restore all HD accounts generated by other wallets compatible with BIP44 and BIP39. For instance, this allows you to import your TREZOR word list in case your device was lost or damaged so you can quickly move your funds to safety.
4  Bitcoin / Bitcoin Discussion / Mycelium Entropy Indiegogo results on: August 25, 2014, 11:14:25 AM
Our Indiegogo campaign is over, and here are the stats (combined IndieGogo and Bitcoin contributions)

Total amount raised: $32,156

Total # of units ordered: 700

Total # of t-shirts ordered: 220

Thank you VERY much for your help! Most of the orders came from big obvious places, like USA, UK, Europe, Canada, and Australia, but we've even had orders from as far as Chile, Korea, Turkey, and UAE. Bitcoin is truly global Smiley This amount should help us cover most of the costs of ordering  the first mass production run of these devices, which we should be placing some time this week (we'll have a final meeting to finalize things either tomorrow or Wednesday). We plan to order a few thousand units (with funds raised from you, and our own funds), since we already had a few requests from merchants to carry these as well, so there shouldn't be any issues with ordering these as soon as we finish shipping the initial Indiegogo ones. The remaining steps, which will be done at the same time the devices are being made, are:

  • Add Litecoin support as an easily configurable setting on the device (Thanks for helping us reach the stretch goal Litecoiners!).
  • Finalize software support for creating HD wallet seeds (hopefully just in time for the release of HD wallets in our Android wallet).
  • Design packaging materials, such as boxes, inserts with instructions/warnings, etc. We will probably keep these somewhat plain though (we're going for security at lowest price, not flashiness).
  • Set up distribution accounts with Amazon in USA, Europe, and Asia, since we'll be using them to fulfill most of the orders.
  • Design the t-shirts.
  • And, of course, publish the finalized source code and hardware schematics for these devices. In case some software security issues are found, we should have plenty of time to get them fixed before we ship.

Speaking of the t-shirts, we'd like some feedback from you. Do you guys want t-shirts that mention Mycelium Entropy, ones that just mention Mycelium, or ones that just have our logo, but don't specifically advertise the company, with just text that, for example, says "Ad-hoc Economy" on them, so that if you are asked about it you can talk about either Mycelium, or just bitcoin?

Even though Indiegogo contributions are over, we'll leave the BitPay links up for anyone who still wants to order one, and, of course, for anyone who still wants a t-shirt.
5  Bitcoin / Bitcoin Discussion / Mycelium added BTC order option for Entropy on Indiegogo on: August 12, 2014, 06:06:11 PM
Crosspost from Reddit:

Mycelium has been running the Indiegogo fundraiser for the Entropy device for a few weeks now, and we were really trying to avoid something like preorders (this was more of a fundraiser to see if there is enough market demand), and using BTC (due to issues others have had where the price of BTC skyrocketed while devices were delayed).

However, we have received tons of requests from people wanting to support us using bitcoin, so we gave in and added bitcoin links to our Indiegogo site. I have also included them here directly for convenience:

* $15 - Get a Mycelium t-shirt
* $40 - Get a Mycelium Entropy device
* $50 - Get a Mycelium Entropy device, and a t-shirt

We were overwhelmed by the success of our Indiegogo campaign. We set modest goals, to be sure to reach them and start producing, but we still need help and support to get these devices made. We will absolutely make sure that this project succeeds, and are even willing to use our own personal funds to get this project done, but anything extra we can get will help us a lot. We are still on target to start shipping by October. Since Indiegogo sends you the money as soon as you hit the goal, instead of at the end of the campaign (like Kickstarter), we have already transferred the money to our European bank account, and are in the process of negotiating the manufacturing order.

In other Mycelium news:

Mycelium will be at the Cryptolina conference in Raleigh, NC this weekend, August 15-16th, where I will be demonstrating our Mycelium Entropy device live, and **showing off the new BIP32/HD wallet feature in our Mycelium Wallet.** For those who don't know, this will allow you to back up all your bitcoin addresses using only one key (as opposed to making a separate backup for each address), and will make the wallet use a different change address for every transaction, greatly improving security and anonymity. This should also make managing addresses easier, and will allow us to implement CoinJoin for greatly improved anonymity (what DarkWallet uses) and make implementing the BIP70 Merchant Payment Protocol possible (which will make paying for things much easier, resolve some issues with who pays the fees, and help make 0-conf transactions more secure). We are getting really close to finishing it, and I for one am very excited.
6  Bitcoin / Bitcoin Discussion / Please stop turning into morons just because you see "Brock Pierce" somewhere on: July 10, 2014, 07:58:36 AM
Crosspost from Reddit, because holyshit guys! You've really been falling apart in the last few weeks! And why the fuck am I the only one to realize the following?



We need a decentralized exchange! First step? Get USD into a digital decentralized form!

Remember the years worth of calls for a decentralized exchange? This call-to-action was raised every time an exchange collapsed somewhere, whether due to bank closures, or owners disappearing with people's money. Many attempts were made at this, yet, so far, none are functional or useful. The main roadblock to a decentralized Bitcoin-to-Fiat exchange was that it required BOTH sides of the exchange to be decentralized, but while Bitcoin was easy, since it came both digital and decentralized already, Dollars proved way harder. The eventual conclusion was that, if we could decentralize fiat, we wouldn't need Bitcoin to begin with, and thus, after the last exasperated cries for such an exchange coming shortly after the MtGox crash, the project of "Decentralized Exchange" somewhat fell by the wayside, losing support and enthusiasm.

But, lo and behold, someone finally put in the massive amount of time and resources to make the fiat side of the equation digital and decentralized! Perhaps not as decentralized as Bitcoin, but it seems more than good enough for our needs! With this project we FINALLY have all the building blocks to finally have a real, decentralized bitcoin exchange. Rejoice, bitcoinland! Your savior is... what? Brock Pierce? That guy that everyone has rumors and preconceptions about, and immediately makes conclusions that anything he touches automatically turns to crap? Well... yes. And hopefully bitcoinland will realize the importance of this move before it goes too deep into deriding Realcoin as "a stupid idea because it's inferior to Bitcoin," or into Brock's personal allegedly sordid past...
7  Bitcoin / Bitcoin Discussion / [ANN] Mycelium announces... well... a whole lot of stuff. Check out mycelium.com on: July 03, 2014, 04:23:07 PM
Mycelium just rolled out their new website, and by doing so revealed a whole slew of projects they're working on right now.

First of all, check out the new look of the BitcoinCard. Remember the ambitious BitcoinCard.org project we announced a few years ago? Well, it been worked on all these years, and the project is finally nearing completion (we have working "finalized" prototypes that look like what's in the picture). Some features had to be scaled down due to battery technology being inadequate still, but some new really awesome things were added as well (flexible screen, board, and battery, on a layer as thin as a sheet of paper). And despite this, we still plan to sell for cheaper than the other competing hardware wallets.

Then there's the Mycelium Entropy device that we announced last week. We are still raising money on Indiegogo and are only 30% done. We really need to reach our goal to be able to make the initial large order from the manufacturer, because the price difference between the number of units that gets us, and the number we can order without your help, is ridiculous Sad So please help us spread the word.
Gateway ATM and the Merchant Payment System are projects that were so secret even I didn't really know about them, and they will be designed to work together with our BitcoinCard, to let you make payments, or update/broadcast transactions, even when you don't have any internet access.

And you guys already know about Mycelium Wallet for Android that let's you spend directly from paper wallets, which would work great together with Entropy, and the Local Trader feature, which is like LocalBitcoins, but more secure, more private/anonymous, and more convenient, being built right into your Wallet.
8  Bitcoin / Bitcoin Discussion / Mycelium will be represented at the BTC Chicago conference on: July 01, 2014, 02:32:21 PM
The North American Bitcoin Conference in Chicago (http://btcchicago.com/) is scheduled to take place July 19th and 20th, and has recently lowered their attendance fee to just $100. The conference is put on by Moe Levin, the same guy who created the first very successful conference in Amsterdam last September, followed by the conference in Miami in January that broke all bitcoin conference attendance records. Of all the conferences we've attended last year, his were typically on par with the best and biggest ones, such as the San Jose in May a year ago and the Toronto one this past April.

We expect this conference to be just as big and successful, and will be in attendance, demonstrating in person our new Mycelium Entropy device that we launched on Indiegogo a few days ago. Speaking of which, we are almost 1/3 of the way to our goal, and we hear that a lot of bitcoiners out there don't really use Reddit. So if you know someone like that, please help spread our campaign by word of mouth and let them know about this.

We will also be there to answer any questions, show demos of our Android bitcoin wallet app, give updates on our progress for implementing new features, and maybe show some exclusive sneak previews of what we are working on behind the scenes that you won't be able to see anywhere else.

Hope to see you there!
9  Bitcoin / Project Development / Mycelium announces Entropy project on Indiegogo on: June 25, 2014, 01:01:11 PM
Today, Mycelium has announced the launch of an Indiegogo project for its Mycelium Entropy device. Mycelium Entropy is the newest addition to the Mycelium Bitcoin Wallet ecosystem, first announced at the Bitcoin2014 Conference in Amsterdam, and demonstrated at the Central Europe Bitcoin Expo in Vienna, as well as the recent Bitcoin in the Beltway conference in Washington DC. The project fundraiser was initially delayed when Kickstarter decided to deny it on the grounds that "Kickstarter's guidelines do not allow for offering money processing services." Attempts to explain that a hardware random number generator is not in any way a "money processing service" has failed, but the Mycelium team was not deterred, and we found a new place to host the fundraiser.

Mycelium Entropy is a small, simple USB device that is designed specifically to generate paper wallets. All you do is plug it into a printer's USB port, and the device uses specialized hardware to create a random number with 256-bits of entropy. It then uses that number to generate a paper wallet with public and private keys, which your printer sees as a JPG photo that it can print directly from the device. This is currently the most secure way to create paper wallets, since the keys are never exposed to the web, use true high level entropy, and only exist on paper. For extra security, Mycelium Entropy can also create M-of-N split keys, where the private key is split up in such a way that you need two out of three parts to spend from an address. In this way, if one of your paper backups is lost or stolen, the thief still can't steal your coins, and you can still access them using the remaining 2 paper backups. Since the Mycelium Bitcoin Wallet has full support for spending from paper wallets, using Mycelium Entropy in combination with the Mycelium Bitcoin Wallet can be a very safe and easy way to store and protect your savings. Think of it as being able to create your own bank deposit certificates that you can keep in a safe, while keeping only a bit of spending cash on your Android wallet. With this combination, the idea of "Be Your Own Bank" comes much closer to reality, and becomes much easier as well.

At this stage, the devices are fully functional, and need just a few minor software tweaks, such as fixing issues of incompatibility between US and European sized paper standards causing the headings on the paper wallet image to be cut off. Mostly minor things that will be resolved by the time we are ready to launch. Although the device hardware is open source, we need to raise money to be able to order them in sufficient enough quantities to make them cheaper for everyone, since mass production is much cheaper than ordering them one at a time. Also, about $1,500 of the money raised will go towards testing and compliance for these types of devices, like CE marks, FCC part 15 approvals, etc. While the devices are being developed, we will spend time testing printers and putting together a list of recommended printers to use with these, just to make sure that yours can handle this, or if it can't, to help you find the cheapest (and most secure) option you can get.

You can read many more details, and see examples, on our Indiegogo page.
10  Bitcoin / Meetups / Bitcoin in the Beltway conference just a week away! (Mycelium will be there) on: June 13, 2014, 03:45:50 PM
It's only a week until the Bitcoin in the Beltway conference takes place in Washington DC (http://www.bitcoinbeltway.com/). It's being put on by Jason King of Sean's Outpost, who just finished running across USA (but is flying back, because he's not manly enough to walk here), and from the looks of the venue and the schedule, it looks like it will be a really great event! The conference starts Friday evening with a welcome party, which seems to be almost a tradition with these things, and continues until Sunday evening. There's a pretty huge lineup of speakers, too, including from some "controversial" bitcoiners I'm sure many here would love to ask questions of. And, of course, the conference will help fund Sean's Outpost, wth 10% of the proceeds going to cover their expenses, such as food, and mortgage payments for Satoshi Forest.

Mycelium will be representing there too, where we will be demonstrating our brand new hardware called Mycelium Entropy. It's a small USB device that you plug into your printer, and it generates a totally random and secure paper wallet. We'll be launching the Kickstarter for it any day now (we ran into delays with the video, which, although not as interesting as the Mycelia in Wonderland one, is still pretty cool).

Finally, I will be offering free rides to attendees from the airport to your hotel in my Bitcoin Prius! My time, the seating, and the amount of me existing in this universe, is limited, so it's on a first come first serve basis. If interested, contact me directly with your arrival time, and I'll let you know if I ca add you to my calendar.
11  Bitcoin / Bitcoin Discussion / With Buy Ads, Mycelium Local Trader Becomes a Fully Functional Exchange. on: May 16, 2014, 02:55:32 PM
Original here: http://bitcoinmagazine.com/13079/buy-ads-mycelium-local-trader-becomes-fully-functional-exchange/

Mycelium has recently come out with a feature for their Android wallets called Local Trader, which allows people to buy and sell bitcoins locally, in person, with cash. Initially, the trades were limited to sell ads, meaning people willing to sell bitcoins could put up an ad, and those wishing to buy bitcoins could contact them and set up a time to meet and trade. The option to set up a buy ad, which would allow locals to convert their bitcoins back to cash, was delayed, since Mycelium wanted to first focus on helping those new to Bitcoin to have an easy way to get their first bitcoins. Now, with the release of Mycelium Bitcoin Wallet version 1.2.9, which finally adds buy ads to Local Trader, Mycelium's Local Trader became a fully functioning bitcoin exchange.

Mycelium is a bitcoin wallet for Android phones that focuses on more advanced user features, such as full key management and cold storage spending. The new Local Trader option is a feature that is built right into the wallet, and allows users to find locals in their area who would be willing to exchange cash for bitcoin, bypassing banks and centralized exchanges completely. Since all private keys are stored in the wallet right on the phone, there is no risk of an exchange losing your coins. There are also no risks of websites shutting down temporarily or disappearing completely, as Mycelium connects to a group of redundant servers, and in a worse case scenario, all wallet private keys can be easily exported to be used in other wallet services. There is also no risk of exposing your private information to hackers, since all trades are done directly in person. To keep things as anonymous as possible, Mycelium Local Trader uses coarse locations, only uses your bitcoin address to register and authenticate with the exchange, and encrypts all communications directly between trading parties using their respective private keys. If Mycelium servers were to be hacked and data stolen (or logs were requested by authorities), the only things that would be exposed are the trader's nicknames and bitcoin addresses, and a general rough location of where the sell and buy offers are available – information that is already publicly visible. Any communications would just come out as encrypted gibberish.

To create a buy or sell ad, users simply create an ad in the Local Trader menu, where they can set up a location from which to trade, choose a base exchange price and fee, the currency they wish to trade into, the amounts they wish to limit the trades to, and any additional notes for traders that they wish to display, such as time of availability or extra instructions. The great thing is that traders are not limited to the amount of trade ads they are able to create, and can set up tiers that charge different fees for different amounts traded, or set up trades at different locations with fees reflecting the difficulty of getting there. Anyone who wishes to buy or sell bitcoin using one of these ads simply clicks the Buy/Sell Bitcoin button, and instantly receives a list of available offers in their set area, which they have to change manually, and which is based on a coarse location (another privacy feature; Mycelium will never query your exact location automatically). From that list they can check prices, get more info on the traders, and even look them up on a map. If they find a price and a trader they are willing to deal with, they just hit the Buy (or Sell) button and initiate a chat to discuss when and where they could meet.

Mycelium hopes that this feature will make bitcoin more accessible to everyone, especially in areas where bitcoin is difficult to get, such as China and Russia. Since Local Trader also includes an open API, in the future you may even be able to use it to find local bitcoin ATMs, and possibly even bitcoin businesses. And now that the Local Trading platform is finished, Mycelium can start work on the next major feature: Hierarchical Deterministic Wallets (BIP32), which will let you backup all your keys by making just one backup of a seed, and will allow you to stay more anonymous by never reusing change addresses.

To get Mycelium for your Android phone, you can download it from Google Play or directly from Mycelium.com.

Mycelium – Decentralize ALL the things!

Disclosure: Rassah works as a community manager for Mycelium. If you would like to support our project (or at least add some beer funds to our overworked developers), you can donate to 13YxhmcAyr9W1frumWr3trXLAj2hSHWBm
12  Economy / Marketplace / [ANNOUNCEMENT] Mycelium Local Trader is Now Available! on: April 16, 2014, 02:19:37 PM
http://youtu.be/2_h9ZZwhwBg

The latest major Mycelium feature, called Local Trader, is finally out of beta and available to everyone.

With Local Trader, the development team at Mycelium sought to answer a question often posed by those new to bitcoin: Now that I have a bitcoin wallet, how do I get some bitcoins?

Local Trader lets those who already have bitcoins to offer them for sale, and those who are looking to obtain bitcoins an easy to use interface to find those sellers in their area. This allows sellers  to support their local Bitcoin economy and earn a little in the process.

Local Trader at a glance:
  • All trades are person-to-person with cash for BTC.
  • The servers mediating the trades hold no bitcoins or fiat.
  • Bitcoin sellers create geographically pinned sell orders where they sell at a chosen exchange rate +/- a percentage.
  • Bitcoin buyers can search for sell offers geographically, look for the best deals, and start a trade session.
  • All trades use in-app end-to-end encrypted chat between the buyer and seller. Not even the Local Trader servers can read the contents.
  • Buyer and seller can negotiate price and meeting place.
  • As with the Mycelium Bitcoin Wallet, the source code of the Local Trader feature is open for review. You can compile and roll your own.
  • The seller does not need to put funds into escrow; they are spent directly from his Mycelium Wallet.
  • The buyer does not have to wait for confirmations - our revolutionary transaction confidence graph provides additional feedback on whether the transaction will in fact go through.
  • A small 0.2% fee per side of the deal goes to supporting the infrastructure that we provide.

Initially, the trader options will be limited to standing sell offers and instant buy offers. Meaning only those who wish to offer to sell bitcoins for local currency will be able to create standing offers for buyers to search through. Later on, Local Trader will also add standing buy offers, for those who wish to offer the option of converting bitcoins to other currencies as well.

To enhance privacy, Local Trader eschews the login and password authentication method, and instead uses your wallet's private key to register and authenticate with the server, using the well established bitcoin key message signing feature. Also, all communication between buyers and sellers, such as when and where to meet, is encrypted using the traders' respective private keys. This means that the Mycelium servers that manage trades only know the bitcoin addresses, pseudonyms, coarse location, and trade history of the people involved, in effect making the system almost as pseudonymous as Bitcoin itself from the company's point of view.

Finally, when the traders meet and exchange cash, Mycelium's other new feature, the transaction confidence graph (currently limited to Local Trader) goes into effect, displaying the probability that the transaction that sends coins to the buyer's wallet will get included in the next block. To achieve this, Mycelium servers track the transaction as it propagates through thousands of nodes, as well as check it for possible double-spends, transaction malleability, long chains of unconfirmed inputs, proper transaction fees, and other possible issues. With this, traders can exchange cash and be on their way, fairly confident that the transaction was legitimate, without having to wait 10 minutes for a confirmation.

With the recent issues involving centralized exchanges shutting down or running away with money, and governments forcefully shutting down methods of getting money into exchanges, Mycelium hopes that this new feature will let anyone be a walking ATM, making exchanging bitcoins for other currencies much easier, and allowing traders to earn a bit of money in the process.

You can download the most recent verson from Google Play store here, or directly from mycelium.com.

Fore more info and HOWTO refer to: http://www.mycelium.com/lt/help.html

TL;DR: This is the most decentralized exchange you can use today. Decentralize ALL the things.
13  Bitcoin / Mycelium / [ANNOUNCEMENT] Mycelium Local Trader is Now Available! on: April 16, 2014, 02:16:50 PM
http://youtu.be/2_h9ZZwhwBg

The latest major Mycelium feature, called Local Trader, is finally out of beta and available to everyone.

With Local Trader, the development team at Mycelium sought to answer a question often posed by those new to bitcoin: Now that I have a bitcoin wallet, how do I get some bitcoins?

Local Trader lets those who already have bitcoins to offer them for sale, and those who are looking to obtain bitcoins an easy to use interface to find those sellers in their area. This allows sellers  to support their local Bitcoin economy and earn a little in the process.

Local Trader at a glance:
  • All trades are person-to-person with cash for BTC.
  • The servers mediating the trades hold no bitcoins or fiat.
  • Bitcoin sellers create geographically pinned sell orders where they sell at a chosen exchange rate +/- a percentage.
  • Bitcoin buyers can search for sell offers geographically, look for the best deals, and start a trade session.
  • All trades use in-app end-to-end encrypted chat between the buyer and seller. Not even the Local Trader servers can read the contents.
  • Buyer and seller can negotiate price and meeting place.
  • As with the Mycelium Bitcoin Wallet, the source code of the Local Trader feature is open for review. You can compile and roll your own.
  • The seller does not need to put funds into escrow; they are spent directly from his Mycelium Wallet.
  • The buyer does not have to wait for confirmations - our revolutionary transaction confidence graph provides additional feedback on whether the transaction will in fact go through.
  • A small 0.2% fee per side of the deal goes to supporting the infrastructure that we provide.

Initially, the trader options will be limited to standing sell offers and instant buy offers. Meaning only those who wish to offer to sell bitcoins for local currency will be able to create standing offers for buyers to search through. Later on, Local Trader will also add standing buy offers, for those who wish to offer the option of converting bitcoins to other currencies as well.

To enhance privacy, Local Trader eschews the login and password authentication method, and instead uses your wallet's private key to register and authenticate with the server, using the well established bitcoin key message signing feature. Also, all communication between buyers and sellers, such as when and where to meet, is encrypted using the traders' respective private keys. This means that the Mycelium servers that manage trades only know the bitcoin addresses, pseudonyms, coarse location, and trade history of the people involved, in effect making the system almost as pseudonymous as Bitcoin itself from the company's point of view.

Finally, when the traders meet and exchange cash, Mycelium's other new feature, the transaction confidence graph (currently limited to Local Trader) goes into effect, displaying the probability that the transaction that sends coins to the buyer's wallet will get included in the next block. To achieve this, Mycelium servers track the transaction as it propagates through thousands of nodes, as well as check it for possible double-spends, transaction malleability, long chains of unconfirmed inputs, proper transaction fees, and other possible issues. With this, traders can exchange cash and be on their way, fairly confident that the transaction was legitimate, without having to wait 10 minutes for a confirmation.

With the recent issues involving centralized exchanges shutting down or running away with money, and governments forcefully shutting down methods of getting money into exchanges, Mycelium hopes that this new feature will let anyone be a walking ATM, making exchanging bitcoins for other currencies much easier, and allowing traders to earn a bit of money in the process.

You can download the most recent verson from Google Play store here, or directly from mycelium.com.

Fore more info and HOWTO refer to: http://www.mycelium.com/lt/help.html

TL;DR: This is the most decentralized exchange you can use today. Decentralize ALL the things.
14  Other / Politics & Society / It's all about incentives... on: March 31, 2014, 03:35:00 PM
My current political view, for anyone interested (fron a different thread)

Quote from: Fallowfox
You don't think tweaking [the government structure] is a good idea, but provide no reason or evidence why.

I'm not saying tweaking is a bad idea, I'm saying it's impossible. Whoever has the most interest in power will put the most money and effort into controlling the monopoly on power. Voters simply don't have as much of an incentive to change and control things as those who's goals are to control things. I wouldn't call that a very good system. At most it's a system with oligarchs in complete control, where, like kings, they understand that the general population should be kept fairly pacified to prevent a full scale uprising. But they're starting to fail miserably, and I think 2008 was just the beginning.

The way I finally came to this conclusion is by examining the way the incentives are structured in our government, regulatory, and financial system. And the outcome, with the way the incentives are set up now, is always the same. Government and corporations working closely together (fascism) is like the equilibrium point, or the point of lowest energy in this system, with a constant energy input required on behalf of voters to keep the system in check. As soon as the voters become apathetic and content, the system collapses into what we have now.

So the only viable solution I am aware of is to get rid of the central power incentive altogether, and distribute/decentralize it among the people. Though simply getting rid of the current power is not enough, as it will simply create a power vacuum that some other power hungry psychopath will step into. The solution is to make power nearly impossible to grab, by making finance, transactions, and contracts distributed, decentralized, and as anonymous as needed (a central power can't impose currency controls, or tax, or restrict whom people deal with and for what, if it can't pysically stop the process from working, or even find out who is involved), and as an extra measure, put a negative cost on amassing power by creating a distributed bounty system that, like bitcoin, doesn't exist anywhere in particular, can't be shut down, and anyone can anonymously fund and take payments from (so anyone who considers taking centralized power for their own means, will have to take into consideration that their life and property may be threatened if they do).

In this way, the incentives are to produce as much of what people want as possible - free trade will be inevitable, since there would be no way to prevent it, and the only way to make money will be by getting people to give it to you voluntarily. And do as little of what people don't want as possible - negative actions put a real cost on you that can not be legislated away or gotten rid of in any way.
15  Economy / Service Announcements / [ANN] Mycelium Local Trader will let anyone be an ATM on: February 12, 2014, 06:21:09 PM
Announcement (posted to multiple sources)

This Wednesday, at the Inside Bitcoins conference in Berlin, the team behind the Mycelium Bitcoin Wallet and the much anticipated yet continuously delayed BitcoinCard, will demo a major new feature of their wallet, called Local Trader. This new feature is a person to person exchange, similar to LocalBitcoins.com, built directly into the bitcoin wallet software. As Jan Møller, one of Mycelium’s lead developers explains, “Mycelium Local Trader is a trading platform for the Mycelium Bitcoin Wallet which allows users to buy and sell Bitcoin. The initial idea comes from one of the biggest problems in Bitcoin: How to get your first bitcoins?”

The feature is still being finalized, but is fully functional on testnet, and is expected to be released later this month. At first, the trader options will be limited to “Continuous Seller,” where someone creates an offer to sell bitcoins and waits for buyers, and “Instant Buyer,” where someone who wants bitcoins right now can browse a list of sell offers in their area, and ping one to ask for a trade. When asked why the option to instantly sell bitcoins for cash was not available yet, Jan commented, “We wanted to attack what we believe is the most common problem: Getting your first BTC.”


To set up a sale offer, the user first has to load their bitcoin wallet with some bitcoins. Since both the wallet and the trading platform are within the same app, the seller profile actually knows if they really have coins to sell. Once the seller presses the “Sell Bitcoin” button, Local Trader automatically registers one of the wallet’s bitcoin addresses on the exchange server as the key associated with the seller account. Like PGP, this bitcoin address and private key are used to authenticate with the trading server, where your user id, sell offers, trade history, and reputation are stored. Likewise, the private key is used to authenticate API requests to the server, a method that may mitigate the API key theft issues recently experienced by some exchanges, and in the future may be used to authenticate and possibly encrypt communications between users. For now, it just keeps all communications secure, and has the added benefit of being able to import your trade account, along with all its history, simply by importing the associated private key from a backup.


In the Sell Order menu, users can create sale orders that include their location (obfuscated to a 1km square block), the exchange used for the price, seller fee, minimum and maximum amount they are willing to sell, and a custom message that buyers will be able to see when they select their offer. Sellers are not limited to the amount of sale offers they can create, and can make sell offers with different fees for different amount traded, different locations, and even set negative fees if they need to swap their bitcoins for cash quickly.

For anyone looking to buy bitcoins, they just have to press “Buy Bitcoin,” and they are instantly presented with a list of 20 closest offers in their area, sorted by distance using their phone’s GPS. Here, buyers can see offer details, such as nickname of the seller, their rating, price, distance, and minimum and maximum they are willing to trade. Clicking on an offer also expands it to show any custom notes the seller may have included. Initiating a buy offer is as simple as typing the amount you wish to buy into the text entry field on the seller’s offer, and selecting Buy.


Once an offer is accepted, the seller’s wallet receives a notification, and the trading app switches to a window where the buyer and seller can see the amount and the price being offered, as well as a chat window they can use to negotiate the terms and location of the trade. The price can be changed and refreshed to the more recent exchange price as many times as the traders want before they agree on the trade, up to the point where they meet and swap cash. When each of them agrees on the terms, they hit Accept Offer, and the trade will only be considered accepted when both of them have agreed. However, the trade must go through within 24 hours of the buyer’s initial offer, otherwise it gets automatically aborted. Once the two traders meet, the buyer hands cash to the seller, the seller hits “Cash Received,” and bitcoins are automatically sent to the sellers wallet, minus whatever fees were negotiated on.


Another brand new feature that comes with Local Trader, which will likely be ported to other parts of the wallet, is the “Transaction Confidence” graph. Since Mycelium servers are connected to hundreds, if not thousands, of nodes, they are able to track transaction propagation through the network in real time. Transaction Confidence, expressed in percent, shows a close estimate of how much of the overall Bitcoin network has heard about the transaction. The idea is that, if most of the network has already heard about the transaction, double-spending it becomes much more difficult, and the chances of it being included in the next block approach 100%. So, if the confidence is high enough (it reaches high 90’s within a few seconds), you can be fairly sure that this transaction will be included in the block, and do in person trades with zero block confirmations. No more awkward waiting for 10 minutes (or sometimes as long as 50 as I had the unfortunate experience of at a local McDonald’s) just to make sure that both people are confident enough the transaction won’t fail.

Trader feedback is the only feature still undergoing the final stages of development, and will be automatically calculated based on the number and size of successful trades, response times, and trade aborts. For their part, Mycelium plans to charge about 0.5% per transaction for the service, but, like LocalBitcoin, will not object to people using the service to trade directly, bypassing the fee, since they believe enough people will find the convenience of trading directly through their system, along with maintaining a trade history and reputation, to be worth the small fee.
16  Economy / Marketplace / [ANN] Mycelium Local Trader will let anyone be an ATM on: February 12, 2014, 06:20:10 PM
Announcement (posted to multiple sources)

This Wednesday, at the Inside Bitcoins conference in Berlin, the team behind the Mycelium Bitcoin Wallet and the much anticipated yet continuously delayed BitcoinCard, will demo a major new feature of their wallet, called Local Trader. This new feature is a person to person exchange, similar to LocalBitcoins.com, built directly into the bitcoin wallet software. As Jan Møller, one of Mycelium’s lead developers explains, “Mycelium Local Trader is a trading platform for the Mycelium Bitcoin Wallet which allows users to buy and sell Bitcoin. The initial idea comes from one of the biggest problems in Bitcoin: How to get your first bitcoins?”

The feature is still being finalized, but is fully functional on testnet, and is expected to be released later this month. At first, the trader options will be limited to “Continuous Seller,” where someone creates an offer to sell bitcoins and waits for buyers, and “Instant Buyer,” where someone who wants bitcoins right now can browse a list of sell offers in their area, and ping one to ask for a trade. When asked why the option to instantly sell bitcoins for cash was not available yet, Jan commented, “We wanted to attack what we believe is the most common problem: Getting your first BTC.”


To set up a sale offer, the user first has to load their bitcoin wallet with some bitcoins. Since both the wallet and the trading platform are within the same app, the seller profile actually knows if they really have coins to sell. Once the seller presses the “Sell Bitcoin” button, Local Trader automatically registers one of the wallet’s bitcoin addresses on the exchange server as the key associated with the seller account. Like PGP, this bitcoin address and private key are used to authenticate with the trading server, where your user id, sell offers, trade history, and reputation are stored. Likewise, the private key is used to authenticate API requests to the server, a method that may mitigate the API key theft issues recently experienced by some exchanges, and in the future may be used to authenticate and possibly encrypt communications between users. For now, it just keeps all communications secure, and has the added benefit of being able to import your trade account, along with all its history, simply by importing the associated private key from a backup.


In the Sell Order menu, users can create sale orders that include their location (obfuscated to a 1km square block), the exchange used for the price, seller fee, minimum and maximum amount they are willing to sell, and a custom message that buyers will be able to see when they select their offer. Sellers are not limited to the amount of sale offers they can create, and can make sell offers with different fees for different amount traded, different locations, and even set negative fees if they need to swap their bitcoins for cash quickly.

For anyone looking to buy bitcoins, they just have to press “Buy Bitcoin,” and they are instantly presented with a list of 20 closest offers in their area, sorted by distance using their phone’s GPS. Here, buyers can see offer details, such as nickname of the seller, their rating, price, distance, and minimum and maximum they are willing to trade. Clicking on an offer also expands it to show any custom notes the seller may have included. Initiating a buy offer is as simple as typing the amount you wish to buy into the text entry field on the seller’s offer, and selecting Buy.


Once an offer is accepted, the seller’s wallet receives a notification, and the trading app switches to a window where the buyer and seller can see the amount and the price being offered, as well as a chat window they can use to negotiate the terms and location of the trade. The price can be changed and refreshed to the more recent exchange price as many times as the traders want before they agree on the trade, up to the point where they meet and swap cash. When each of them agrees on the terms, they hit Accept Offer, and the trade will only be considered accepted when both of them have agreed. However, the trade must go through within 24 hours of the buyer’s initial offer, otherwise it gets automatically aborted. Once the two traders meet, the buyer hands cash to the seller, the seller hits “Cash Received,” and bitcoins are automatically sent to the sellers wallet, minus whatever fees were negotiated on.


Another brand new feature that comes with Local Trader, which will likely be ported to other parts of the wallet, is the “Transaction Confidence” graph. Since Mycelium servers are connected to hundreds, if not thousands, of nodes, they are able to track transaction propagation through the network in real time. Transaction Confidence, expressed in percent, shows a close estimate of how much of the overall Bitcoin network has heard about the transaction. The idea is that, if most of the network has already heard about the transaction, double-spending it becomes much more difficult, and the chances of it being included in the next block approach 100%. So, if the confidence is high enough (it reaches high 90’s within a few seconds), you can be fairly sure that this transaction will be included in the block, and do in person trades with zero block confirmations. No more awkward waiting for 10 minutes (or sometimes as long as 50 as I had the unfortunate experience of at a local McDonald’s) just to make sure that both people are confident enough the transaction won’t fail.

Trader feedback is the only feature still undergoing the final stages of development, and will be automatically calculated based on the number and size of successful trades, response times, and trade aborts. For their part, Mycelium plans to charge about 0.5% per transaction for the service, but, like LocalBitcoin, will not object to people using the service to trade directly, bypassing the fee, since they believe enough people will find the convenience of trading directly through their system, along with maintaining a trade history and reputation, to be worth the small fee.
17  Bitcoin / Development & Technical Discussion / API key with bitcoin signing SQRL Support on: February 09, 2014, 06:44:40 AM
Regarding this: http://www.theverge.com/2014/2/7/5386222/a-string-of-thefts-hit-coinbase-bitcoins-most-reputable-wallet-service


I propose the following:
Exchanges working with wallet developers to implement a standard for a SQRL type system, where users have to add an authorized bitcoin address to their account, changing which will send out a warning e-mail and take 24+ hours to enable, and on the client side use messages signed by the private key of that bitcoin address to make all API calls. That way, no one can hijack the key and use it to steal funds without having direct access to the user's wallet.

Comments?
18  Local / 中文 (Chinese) / Mycelium and Baidu on: February 05, 2014, 04:51:10 PM
Hello. Sorry for my lack of Mandarin.

As I undersand, Google App Store is not available in China, and most people use Baidu for apps. We at Mycelium (http://mycelium.com) wish to add our Android bitcoin wallet to Baidu as well. Sadly, I could not figure out how, and Google Translate was not good enough to help.

Would someone be willing to help us with the process or getting an account at Baidu, and setting up our wallet?

Thank you very much.
19  Other / Politics & Society / Proof that anarchy can work on: January 12, 2014, 06:32:32 AM
Proof that anarchy can work, and we don't need government laws and guns to keep us in line

http://www.cracked.com/blog/the-6-most-uplifting-facts-about-human-race/?page=full
20  Bitcoin / Development & Technical Discussion / Standardised categories embeded with transactions [DEFUNCT idea] on: December 19, 2013, 04:55:11 PM
EDIT: From here http://www.reddit.com/r/Bitcoin/comments/1t9979/standardised_categories_embeded_with_transactions/ce6d84w

"It is easier to confirm if an address belongs to the person you think it belongs to, such as by comparing with the customer data they sell (yes, most companies with loyalty cards sell that data)."

Yeah, that pretty much kills that idea. Thanks Nataniel for pointing this out.


-------------------------------------------------------------------------------------------------------------------------

Since version 0.9 will allow embedding 80 bytes of arbitrary data, and include a merchant processing protocol, I propose that we come up with a list of codes corresponding to categories, to be embeded into transactions when purchasing items. This could be differentiated with a prefix, such as CAT or CG, and kept short by including a number. Example:

CAT0001 would stand for "Groceries"
CAT0843 would stand for "Gasoline"
(the only thing will be embeded would be the CAT0843, and it would be up to the standardising body to designate what each CAT number represents)

and so on. Kept short, this will not bloat the blockchain almost at all, and anyone with a standardised list would be able to parse the category numbers and conver them to actual category names. I believe that this will provide many benefits. A minor one will be easier importing of transactions into financial and accounting software. An enormous benefit will be the ability to see at extremely precise detail what is being bought and sold globally, which would give even more information to the market as a whole to make decisions on what production and services to increase, and which to exit. Since the categories will be standardisedd, and used along with bitcoin's other pseudonimising techniques, this should not pose any privacy concerns. Considering the benefits it provides (and considering BitPay already allows importing accounting information into Quickbooks), this should not be too much of a problem to import into merchant processing systems, and may even be a selling point for merchants that provide the option of categories versus those that do not.

Questions/comments?
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