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We thwarted a hacking attempt on Bitcoin Video Casino and learned a lot. We wanted to share our experience so that other site operators can be prepared.
On Monday Sep 9th, an attempt to hack into Bitcoin Video Casino was made. We initially noticed something was amiss because our server had become unreachable for several hours. When our server eventually came back online again, we noticed that the machine had been restarted. Our server has had a 100% uptime since we launched (~185 days ago) and this is the first time it was restarted.
We snooped around a bit and found an open login by a user on /dev/tty1, a local controlling terminal. That's very bad. All logins should only be from psuedo-terminals (ptyX). More looking around found a script hiding in /etc called "bitcoin.sh" and a crontab entry meant to constantly restart the script. The script was nothing but a phone home to this intruder's Amazon EC2 instance and wasn't very clever, but it did the job it was intended to. Unfortunately for the hacker, he left his private key on our servers.
We took all of the standard precautions when building our website: offline cold storage of most Bitcoins, closing down open ports, disabling password logins (ssh keys only!), but most importantly we decided to use full disk encryption, with the disk decryption key encrypted with GPG.
The downside to full disk encryption is that our site cannot come up automatically after a reboot. That's fine, really, we never reboot the machine anyway. So once the would-be hacker restarted the machine, he had no way to access our database, our hot wallet, or our game source code as they reside on the encrypted disk. The hacker couldn't even mount the encrypted disks, as the decryption key isn't stored on the server.
We had a long talk with our hosting provider on how this happened. Nobody should be able to log into our machine locally (the /dev/tty1 part). We thought that someone local to our hosting provider's data center was trying to break in, but as we pressed for answers, we learned that a KVM device was installed that allowed remote access into our machine one day prior to the hack. The evidence that the device was plugged in was present in the kernel log ('dmesg'). While the machine was rebooted, the hacker modified /etc/sudoers and changed an account password so that he could have access after the reboot. Later, auth.log would verify his activity.
So why did someone working at the datacenter install a KVM on our machine when we didn't request it? It turns out that our hosting provider's billing software was actually where the hack began. An order was fraudulently placed on our account to install the KVM through his hacking of HostBill, the software our hosting provider uses. It's a particularly popular piece of software, so it's likely other hosting providers could be vulnerable.
Anyway, the long story short is that we didn't lose any of our Bitcoins or our game software because of one smart move: full disk encryption. We highly recommend to all you developers out there to use full disk encryption if you have sensitive data to protect on remote servers. Full disk encryption doesn't help thwart hot attacks while the site is live, but it does help tremendously when hackers could possibly get physical control of your remote-hosted machine.

We've decided to release our app as open source. The app features Blackjack, Video Poker, Slots and Dice.
The code can be found here.
If anyone has thoughts or questions let us know :) This app is the only Bitcoin gaming app that is open source.

Hey guys, we just updated our site design and added some new features. We're always looking to incorporate feedback from the community. If you've got a sec check it out and let us know what you think. https://bitcoinvideocasino.com/
Here's what's new:

• Better UI. We've condensed most of the game information to several tabs on the upper right hand corner of the page. This includes information on our Provably Fair status, all of the Return to Player stats, etc.
  
• New graphics and logo. Yeah! We went for a pixel design since most of our games are based off of classic Video Poker machines.
  
• Highlighted the Full screen feature. Previously this was a bit of an Easter egg. It was hidden in the corner and you had to mouse over it to see it. Now, it's out in the open. We think it makes the experience better for players since it makes you feel like you're sitting in front of a machine instead of your computer.
  
• New FAQ. We added a FAQ to bring players new to Bitcoin up to speed on how the site operates.
  

Love it, hate it? We'd love to hear what /bitcoin thinks.

I don't believe this has been posted before. You can play classic video casino games for bitcoins. I think the min required is like .0001 and the cool thing is you can play for free without bitcoins too.
Pretty fun site.
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Over the last couple of years online casinos (카지노) have seen a massive change and that’s cryptocurrency. Bitcoin started to sweep the industry beginning in just one casino first and growing to others, rapidly. Now cryptocurrency comes part and parcel and, today, we are going to look at some of the biggest casino winners who have played in bitcoin.

Big Wins Happen in Bitcoin too

A big win can happen at any time, any where, it can also happen in any currency and cryptocurrency. We’ve seen some of the biggest gambling wins happening in bitcoin and with the fluctuation of prices a bitcoin win can even increase over time.
This newest phase to hit the industry has actually made thousands of players very wealthy indeed and it holds some of the most impressive biggest casino wins from players around the globe.

Bitcoin has made thousands of players very wealthy overnight at many online casinos.

Now, playing in bitcoins shouldn't be confusing, because just like when you're playing in your usual currency, you don't always need to bet big to win big. And, some of the casino winners' stories we're going to show you today are proof of that.

The Top 7 Bitcoin Casino Wins

So, let's have a look at some of our biggest casino wins, starting with an exciting story that happened back in 2016, when bitcoin really started to kick off:

1. Player Cashed out an Incredible Win of 174 Bitcoins

The beauty of bitcoin is players get to remain anonymous and it was indeed an anonymous player at BetChain Casino that made the first big win on our list. Back in July of 2016, a lucky bitcoin winner playing big win games managed to scoop not just one win, but two. The player cashed out an incredible 174 bitcoins made up of a 60 win bitcoin and a 114 win. At the time, this converted into an impressive $122.496.

2. A 259.74 Bitcoin Win Led to a Life Changing $1.3M

The next biggest casino win was Nakowa back in September of 2016. At the time the player managed to bank a life changing $1.3m after they won 11.000 bitcoins. This is one of the biggest casino winners ever.

3. Anonymous Player Snagged 259.74 Bitcoins

Then, in February of 2017, another anonymous player at Bitcoin Video Casino won 259.74 bitcoins. This big win converted to €259.399 at the time.

4. Series of Big Wins Banked from 216 Bitcoins

Heading straight in at number four is another anonymous win only this time it was at Cloudbet Casino. In March of 2017 a player, from a series of big wins banked a cool 216 bitcoins. This was from a 160 bitcoin win, coupled with another 56 bitcoin win totaling $255.000 but in the same play session. The most impressive bit of all is that the lucky member placed a mere bet of just 0.16 BTC on the Troll Hunters Slot to bag that first 160 bitcoin win.

5. Player Won 15 Bitcoins Worth $118.000

The next entry into our list of the biggest casino winners is an anonymous player at BitStarz Casino. The player bagged 15 bitcoins which was worth $118.000 at the time.

He're is the logo, done in vector, texturized and lit with some Photoshop magic.
The company is called Bitcoin Video Casino. They are about to update their UI and wanted to rebrand in order to stand out. The tagline is their copy.
Sprite is original, colored pixel by pixel in Illustrator. He is supposed to be the Jack of Hearts. Considering making his jacket more interesting. Also considering reducing his scale in the picture, as the art seems to come alive more at a smaller size (zoom out a couple times to see what i mean) .
I cant really see the work anymore, so a fresh pair of eyes is appreciated. Let me know your thoughts!

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They have like 7 variations of Video poker and Blackjack with lucky 7s as an option.
If you haven't checked out the website yet, you ought to!
I play on it a ton (ranked 2nd) so if you have any questions, jusk ask me! If I can't answer I'll ask the devs for ya.
If you dont want to use my referral link above, just use www.bitcoinvideocasino.com !
If you use my referral, send me a PM with your deposit address on the site and I'll send you some credits!

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This website rocks. You can bet as little as .001 per hand and as much as .5 on blackjack. Up to .05/hand on video poker. Progressive jackpots on each game. With Video Poker you can win over 40 BTC ($1600 US).
But yeah, Craps, Roulette, Blackjack, 7 Variations of Video Poker. Check it out!

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Ethereum is quickly becoming entrenched to the function and upkeep of the internet itself, unlike bitcoin ether is used from reddit community tokens all the way to video gaming, online casinos, and vr. Ether is essential to the structure of the Internet 2.0 and will become essential to AR, MR, and VR in Extended reality. Once this happens eth will quickly catch up with btc. Do yourself a favor, never sell, if you get any amount of eth just keep it and buy the dips. Coinbase is filled with coins that nearly all depend on ether in one way or another. The future is clear and Ethereum is in it.

Corrections at bottom
I'm a retarded GenXer who YOLO'd junior silver miner OTM call options in 2011 and lost a truckload of cash. But I kept my phyzz until a freak boating accident sunk it all. Oh well, this isn't financial advice, I'm a proven idiot, and nobody should listen to me.
I've learned a lot about the silver markets charlatans since then. Mike Maloney is a forever pumper. Peter Schiff is a suit and shill. Doug Casey lives on a ranch in Argentina but has his head far up his ass. Since you retards love to lose it all, go listen to those guys. But there are some very serious voices in the precious metals market that have proven the fraud and manipulation and even come up with ways around it: Ted Butler (commodity analysis), Eric Sprott (creator of $PSLV), James Dines (legendary newsletter writer), and James Turk (creator of goldmoney.com).
Silver is the biggest opportunity for profit that the general public could broadly participate in. If the price of silver goes up, the miners will see amplified gains. Juniors would explode into the alpha centuri (13,000% gains or more, easily). The reason we know this is because it's been tried before by people smarter than any of us (Hunt Brothers 1980, Buffet's 1997-2006 silver purchase, and 2010 mini-squeeze-beatdown). Even that lucky commie bastard Max Keiser tried to rally enough retards together to squeeze silver and "crash JPMorgan" before he got rich off bitcoin. {If you can't read, there is a video breakdown: search "youtube Is a WallStreetBets Silver Squeeze Possible" for a pretty good historical overview}
The forces at play in the precious metals market are global, historical, and backed by the biggest banks, not some meaningless hedgefund. It's the real deal. American's money used to be backed in bi-metallic standard, all coinage had some precious metals (pre 1964 dimes, silver dollars/half dollars and paper currency all convertible to silver or gold). All real silverbugs ultimate goal is to return to a bi-metalic backed US currency. It's a big part of the precious metals folklore, and the fact that the last straw that sealed President Kennedy's fate was signing Executive Order 11110 which would have returned the US to a silver standard. This would have restored faith in our financial system, eliminate the scourge of inflation, balanced the value of labor versus financial assets, and allow regular workers to save instead of being forced to participate in a ridiculous casino just to have a retirement.
Attention CNBC media whores reading this: who is the villain of this story? Blythe Masters. Check her out, she's actually pretty hot. {search: "Blythe Masters wants to upend finance again twitter bloomberg"} And she is a goddamn evil mastermind that created the Credit Default Swap (CDS). Yes, she created the financial weapon of mass destruction that sunk the global economy in 2008, she is first author on the paper. Then she went on to lead the JP Morgan precious metals trading desk to unwind Bear Sterns silver short book by containing any rally (that's how I lost all my money). Now she is working on blockchain technology that can be used by the banking cartels as a weapon to further enslave the entire world. And, yes, you degenerates, she has a sexy British accent and a killer set of legs. {search "egonzehnder blythe masters shares career advice daughters 2019"}
Steven Cohen is a fucking worm to Blythe Masters. Any financial instrument like SLV would be manipulated easily by her and the ilk that inherited her positions at JPMorgan and other bullion banks. There is only 1 way to perform a real silver squeeze: physical ownership (not paper ownership like SLV, there is a big difference). The commodity futures markets is called the COMEX. The COMEX has about a 250 contracts trade for every 1 ounce of actual silver available for delivery. That means if a handful of commodity traders stand for delivery and the physical delivery can't be made it will crash the COMEX. Sure, they might be forced to settle for cash like the Hunt brothers, but it will crash the COMEX and the price will soar nonetheless. It's a real thing, people have done it, there is no stopping that it will happen again. And what happens historically is a giant leap for junior miners: Copper Lake in 1980 jumped 13,000%. The average silver junior miner lept over 2,300%). It was soo easy to make money, even an ape could do it.
So, how do we avoid the manipulation?

1. $SLV is a scam! SLV's custodian is JP Morgan, the vampire squid sucking on the face of humanity! Don't fall for it. They can never be trusted. Most silverbugs don't even believe they have any silver or gold in their ETFs of any significant amounts, otherwise there would be outside audits which don't happen. Anybody suggesting to use SLV is a pumper, paid shill, or doesn't know the history. And yes, now that JPMorgan has paid almost a Billion dollar fine for manipulating the silver market, they are long silver or at least are holding it as custodian for other players. So if silver goes up will JPMorgan win...yeah maybe. But that's not the point, you'd win, I'd win, the people of the world win.

2. $PSLV is not an appropriate vehicle. PSLV is a closed end fund. Eric Sprott is not going to buy any more silver and issue any more shares. Premium to NAV went over 20% and he didn't do it. PSLV serves a purpose (tax savings), but they don't acquire on commodity exchanges unless a big player takes delivery. If you actually have enough money to take delivery 10,000 oz - then PSLV works.
So what to really do: Buy PSLV or physical For the paranoid, you can create an account on goldmoney.com, put money into silver and it is owned by you, stored in Switzerland and registered in the Island of Jersey (for the most part outside of financial oligarchy control). You have to fill out a form on your taxes each year but buying/selling stonks have the same requirement, just a different form. Again, NOT financial advice - I'm a proven town idiot and hold no credentials no should you listen to me.
Goldmoney.com was created by James Turk, exactly for this purpose. So people can own phyzz without having to hide a 1000lb safe in your wife's boyfriend's basement or sink your phyzz into a pond. And also he set it up outside of the US so if the US government seized physical (like 1934!), his customers would have some chance at taking physical delivery in Switzerland. I wholeheartedly believed that the crash of 2008 would lead to this eventual outcome if silver went really high and it almost did at $50, at $100 the champagne corks stop poppin.
So then what went happened in 2011? Blythe Masters happened. JP Morgan and the other bullion banks beat down the precious metals market in a coordinated attack of naked short selling. Punishing beat downs, if you're into that kinda thing!
The silver spike of 2010/11 happened because some silverbugs bought physical metals and there were shortages at the retail level, just like what has started today. In all honesty, there were probably 10,000 Silverbugs in existence at that time all acting as lone actors on a handful of forums. This time could be much different, if a lot of apes bought silver and the intermediaries held for delivery on the COMEX this could break the back of the silver cartel and Lord Rothschild would roll over in his grave. And silver junior miners would skyrocket!
I love silver, what will I buy? 90-100% into some other form of physical ownership (coins/or goldmoney.com). $PSLV is also an acceptable vehicle but doesn't squeeze LBMA/COMEX supplies {search: "sprott physical silver trust December 2020 fact sheet"}. And 0-10% into long-dated calls or shares of junior minors. Some pumper was saying $AG (First Majestic). Sure maybe, or just use $SILJ a basket of silver juniors that would all explode and give you less single company risk to enjoy the rally. Get your popcorn.
And those boomers, will they help buy silver? Don't count on it, but that's a different type of rant.
TL;DR
Buy either physical silver, $PSLV, or goldmoney.com and also a little bit of silver miners to amplify gainz. Blythe Masters is a demon. Break the COMEX. Restore our heritage of sound money.
Corrections: PSLV has registered to issue $1.5billion more shares. That’s a lot of shiny silver. See the link in the comments below. It’s looks like PSLV will be retails best bet to apply pressure on the physical market. And if bullion dealers become stocked out, and PSLV stands for delivery, this strategy would work.