[ANN] (QTUM) - A Scalable Smart Contract Platform w/ Proof of Stake

[DragonETH]

Qtum to Launch CubeSat for Cryptocurrency Blockchain Platform

"Qtum Foundation announced a collaboration with the SpaceChain Foundation to launch a standardized CubeSat, which will carry Qtum‘s blockchain software technology on a Raspberry Pi device."

http://www.satellitetoday.com/technology/2018/02/08/qtum-launch-cubesat-cryptocurrency-blockchain-platform/

Qtum Foundation announced a collaboration with the SpaceChain Foundation to launch a standardized CubeSat, which will carry Qtum‘s blockchain software technology on a Raspberry Pi device.

The electricity required for cryptocurrency mining — or tallying cryptocurrency transactions in exchange for a small fee — has increased exponentially over the years. According to Digiconomist, Bitcoin mining power consumption had increased 56.2 percent over four months to hit 47.07 TWh, costing $2.3 billion per year and consuming 0.21 percent of the world’s electricity.


In Proof-of-Work (PoW) consensus algorithms, power consumption is necessary for transaction verification, which is done through PoW mining. By launching a satellite into space with a comparatively lighter proof-of-stake algorithm, Qtum intends to increase its reliability with a future satellite network expansion.

While most blockchain technologies use PoW for their mining operations, Qtum uses a form of Point of Sale (PoS) for its transaction verifications in the network. The satellite launch provides energy savings and a cheap hardware platform. Instead of buying expensive specialized mining equipment that cost thousands of dollars to purchase, setup, and maintain, Qtum wallet holders can mine for Qtum tokens on light devices, according to the foundation.

There are now more than 14,000 cryptocurrencies in the world aside from the major cryptocurrencies such as Bitcoin, Ethereum, and Ripple. However, these cryptocurrencies are costly to maintain which increases the barrier for widespread industrial adaption, Qtum stated. With the satellite launch, Qtum hopes to lower the cost of industrial usage, which would set the stage for mass adaption of its blockchain and also future application advantages.

Kind of off topic but still interesting to look at. Will be very amazing to see Qtum‘s blockchain software running at almost zero power consumption.

this is, of course, a milestone in the history, now there is no country in which Noda lives, there is only Noda and blockchain, which can work and created in Qtum

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[revelacaogr]

worth read...and be careful with cell wallets

Security Issue for Android Wallets
by karlcoin

https://www.reddit.com/r/Qtum/comments/7yk8nq/security_issue_for_android_wallets/

This security issue could be applied to any wallet on a phone with a mnemonic passphrase - but I found it when restoring my QTUM wallet on my Samsung J1-mini.
Rather than type it all out again, here is the information that I pm'd to @earlz on the QTUM discord:
Hey, I got your invite - but I don't think I'm ever going to get around to submitting this security issue and I'm not after any reward.
Basically what I found was this. When I installed the QTUM wallet app on my samsung SM-J105Y I was given a lengthy pass phrase (many words, I'm sure you know what I mean). This pass phrase can be used to recreate the wallet if, say, my phone is destroyed. That's all good. So, before putting any money into the wallet I wanted to see if the pass phrase worked. So, I uninstalled the app and then reinstalled it again. Instead of creating a new wallet address, I elected to recreate my old one with the pass phrase. This worked fine.
The alarming thing, though, was that. After entering the first word of my pass phrase, my phone auto suggested every other word in the exact same order!! To me, this means that the intelligent predictive text feature of the keypad has, inadvertently, stored my wallet pass phrase. How did it get into the keypad log?? I think it must have been when I copied the originally produced version and then pasted it into my note pad.
Of course, I have no idea how long it stays in the keypad log - obviously not for ever as I have restored the wallet a couple of times since and not had the auto suggest predict my pass phrase since. So, it must get overwritten in time. Still, I think this needs to be looked into. If someone else discovered this, it could be bad news for a few people out there.
I will also post this in reddit, just to let the general public know.

[stan86]

Great article from Stocksgazette: https://stocksgazette.com/2018/02/14/qtum-qtum-still-proving-skeptics-wrong/

[RhinoTrader]

Hey guys, I just got a new ledger nano s
Is it a good idea to store the qtum coins on a ledger?

Will smart contract function be usable through a ledger device?
If there is any existing app has it been tried out before?

[zaq130]

Hello, dev I recommend you to change Japanese moderator of Japanese ANN.
He is using google translation, I will show you by some pictures.

I think ur Japanese ANN is the one below.
https://bitcoingarden.org/forum/index.php?topic=12089.0

Very easy way to find out is that how that person translate the word "Smart Contract"

Below is a screenshot of an article of Japanese media.
It translate "Smart Contract" into "スマートコントラクト".

http://www.itmedia.co.jp/business/articles/1802/19/news094.html


Since the word is new and google translation is not smart, it translates into "スマート契約"


And in Qtum's ann thread, every "Smart Contract" is not translated into "スマートコントラクト" but into "スマート契約" or "スマートな契約".
This way of translation is typical machine translation, I strongly recommend you to change the moderator of Japanese thread.

[Buratinos]

Hi community
Tell me what is the interest rate of this coin?
What is the minimum balance for starting a POS?

[cybterpunk]

Hi community
Tell me what is the interest rate of this coin?
What is the minimum balance for starting a POS?

no minimum balance

right now i think it's 7% per year

[cybterpunk]

Great article from Stocksgazette: https://stocksgazette.com/2018/02/14/qtum-qtum-still-proving-skeptics-wrong/

that's a nice article

[cybterpunk]

how many coin in circulation?

seems coinmarketcap are listing a wrong circulation?

can you ask them update it ?

[alexvilis]

QRC20 Token Report — February 25, 2018

As a token of my appreciation for the Community, here is a tutorial about Qtum QRC20 tokens: what they are, where they are, how to interact with them, how to watch them, and how they are created and destroyed, using a recent token airdrop for Qtum holders to illustrate these details in the life of a token.

I am an independent researcher, occasional blogger and social moderator, and appreciate the technical guidance from the Qtum Team and discussions in the Community. If you have any comments or corrections for this article, please reach out on the social medias.

https://medium.com/@jb395official/qrc20-token-report-february-25-2018-ff397a1ac070

[sokol2504]

The progress that began in the crypto industry can not be stopped. Smart contracts are the main part of it. Projects, such as Safinus, actively use all new technologies

[vingaard]

QRC20 Token Report — February 25, 2018

As a token of my appreciation for the Community, here is a tutorial about Qtum QRC20 tokens: what they are, where they are, how to interact with them, how to watch them, and how they are created and destroyed, using a recent token airdrop for Qtum holders to illustrate these details in the life of a token.

I am an independent researcher, occasional blogger and social moderator, and appreciate the technical guidance from the Qtum Team and discussions in the Community. If you have any comments or corrections for this article, please reach out on the social medias.

https://medium.com/@jb395official/qrc20-token-report-february-25-2018-ff397a1ac070

Very good paper, clear and useful... thank you very much your efforts

[DragonETH]

QRC20 Token Report — February 25, 2018

As a token of my appreciation for the Community, here is a tutorial about Qtum QRC20 tokens: what they are, where they are, how to interact with them, how to watch them, and how they are created and destroyed, using a recent token airdrop for Qtum holders to illustrate these details in the life of a token.

I am an independent researcher, occasional blogger and social moderator, and appreciate the technical guidance from the Qtum Team and discussions in the Community. If you have any comments or corrections for this article, please reach out on the social medias.

https://medium.com/@jb395official/qrc20-token-report-february-25-2018-ff397a1ac070

great work to make it clear why developers do not prepare such materials for a wide range of system users. many blockchains promote themselves through goodwill ambassadors, preparing materials for different groups of the population.

[S3cco]

[Bitcoin Garden] 777.BINGO: The World’s First Blockchain Pan Entertainment Platform
https://bitcoingarden.org/777-bingo-worlds-first-blockchain-pan-entertainment-platform/

[...] BINGO will bridge the gap between Blockchain and the entertainment industry in two ways. One, it will allow to develop and publish a lot more blockchain-based games, and the other is that it will help more traditional games to accept cryptocurrencies as payments. We already have two cases to demonstrate. First, we will publish QTUM HEROES, which is the first blockchain-based game with specific gameplay. QTUM HEROES was jointly developed by BINGO, QTUM and Mob Arts, please stay tuned! The second, 777.BINGO Platform will release world’s first strategy game, which supports cryptocurrency payments: Doom of Aliens. Doom of Aliens is independently developed by our technical team at Mob Arts and it will have the Google Play Global Feature after its release. The digital currency version of the game will soon be released on 777.BINGO Platform. We believe these two cases are a great demonstration of our innovative solutions! [...]

[Vitamin_52]

Mithril Announces Development of New Social Media Applications on Qtum:

https://blog.qtum.org/mithril-announces-development-of-new-social-media-applications-on-qtum-494c84805d86

[onionpealer]

QRC20 Token Report — February 25, 2018

As a token of my appreciation for the Community, here is a tutorial about Qtum QRC20 tokens: what they are, where they are, how to interact with them, how to watch them, and how they are created and destroyed, using a recent token airdrop for Qtum holders to illustrate these details in the life of a token.

I am an independent researcher, occasional blogger and social moderator, and appreciate the technical guidance from the Qtum Team and discussions in the Community. If you have any comments or corrections for this article, please reach out on the social medias.

https://medium.com/@jb395official/qrc20-token-report-february-25-2018-ff397a1ac070

Clearly this is an independent and unbiased article with only "technical guidance from the Qtum Team", and we all know the sort of technical guidance Qtum provide to bloggers.

[bustedsynx]

Currently, countless projects have been based on QTUM to launch the market, at least there is an attempt, these motivations would be what QTUM could represent in a few months? QTUM is the Japanese ETH? If so, I need to get some coins!

Japanese ETH? I haven't heard any one of them QTUM-based projects in Japan. Could you care to list them here if you can? It's a bullish sign when projects are build on top of a blockchain protocol.

[Qtum]

🔥NEWS: You can now use QTUM to buy SVD tokens!🔥

Dear QTUM Community,

 

We took a lot of heat in 2016 for making this a moderated thread. To date, we have only deleted 2, maybe 3 posts. This post we are quoting was the reason we did this. During the fudd campaign this time last year, we did not 'censor' much, maybe 1 post, even the people attacking us will agree.

We'll delete this post in a day or two.

[Qtum]

I did my research about Qtum and took notes in the way. Based on my notes, I wrote a short (3-5 min) review. Might be helpful for newcomers who want to understand the Qtum a bit more.
https://longcaller.com/coin/qtum.html

This is great, thanks! It's all correct, except for the 'Master Contract' portion. This idea was never developed and we ceased talking about it, but it can be found in old articles about Qtum.

[danielsinn]

does the QTUM website look like hell or is it just me?   it wouldnt hurt to improve the crudeness of the appearance.  just sayn,..  also, is the nodemap working?   i went to check it out and nada