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Raspberry Pi Home Dashboard

I had a few requests of my home dashboard, and wanted to share with everyone how I put it together.
What you'll need:
Step 1: Instructions to Set Up the Raspberry Pi Itself:
Step 2: Set up the HTML File to Display
  1. Background.png
  2. Dashboard.html
  3. News.html
  4. Map.html
  5. Stocks.html
  6. ToDo.html
  7. Weather.html
  8. Calendar.html
FINAL Comments. This project probably took me 1h to set up the pi. And 4ish hours stumbling around to get the dashboard set up. My only real outlay was a monitor mount and a new monitor. Best of luck!
EDIT Here is the link for the current version of the dashboard. I removed the traffic for the weekend, but this is the dashboard. I have some formatting I really want to do (headings et al), but this should be a decent start. I have also included the color scheme I used.
submitted by fuzzyaces to raspberry_pi [link] [comments]

The Last Bitcoin Difficulty Adjustment [re:FUD Game Theory]

This is a fun story from the not to distant future...
Although a sharp rise in the price of Bitcoin Core helped it survive longer than it might have, the inevitable fall back toward the $750-1250 level was in keeping with the previous four Bitcoin price bubbles.
Rather than seeing a profitability breakaway in Bitcoin Cash, the two coins had moved in lock step for weeks. Some speculated that enough miners were auto switching between coins that it created an equilibrium. However, the repeated EDAs of Bitcoin Cash and huge backlogs Bitcoin Core had made clear that the two coins were not designed to survive together. Rather than tend toward equilibrium, hashrates driven by market prices tended toward a tipping point. Core fees were a stabilizing force, but were only engaged when the network was backlogged and the BTC price was high.
It was widely known that certain miners were providing a reliable hashrate for the survival and stability of the newer coin. It was speculated that the miners were hording to maintain and/or dumping to generally control the price of Bitcoin Cash. All we really knew was that both chains were being mined almost block for block, and that the price was being controlled to artificially make profitability comparable (averaging to within 1% average over a week).
The Chinese government had given it's dictate weeks before, which was not a true bitcoin ban, but more of a recommendation to all good citizens. This sparked the initial sell off, and although not everyone got the memo, sometimes a billion people acting in unison can't be wrong. Much like a roller-coaster after it's initial climb, the price of Bitcoin Core oscillated wildly in an overall downward transfer of potential energy into kinetic energy.
It was early one morning, the initial chaos of the Bitcoin wars was receding into the minds of tired users that had frantically toggled between tabs of, mempool charts, market charts and five different sub-reddits just weeks before. They had stayed with bitcoin for years of stagnation, they had been filled with hope by Bitcoin Cash. When the moment finally arrived they were a bit shocked by how quickly their new coins arrived, but had again hunkered down for a more prolonged struggle. They were lulled by the recent peace.
Knowing something about the nature of honey-badgers, early adopters and speculators had already shifted their equal bets weeks before. Unfortunately, some of them suffered a total loss by what happened next. Without warning, the mempool of Bitcoin Cash began to steadily rise. An hour, three, six, until the markets began to get seriously spooked. Precipitated by a moderate sell-off, the ticker for BCC dropped by 50% in minutes. Everyone began to wonder if the hands of Hercules holding up the BCC hashrate had finally grown tired. The price dropped further, with Bitcoin Core now over 300% more profitable to mine. Then, around 8 hours in, a BCC block was mined.
The 8 hour BCC block was just to get the attention of the market. After that blocks were mined every 20-30 minutes. The damage had been done, with the price so low, every miner with auto switching enabled moved to BTC. People began moving BCC cold wallets to exchanges--hedging their bets. Blocks were mined at such a rate to prevent an EDA and allow the weak-handed to sell. All while Core hashrate had accelerated.
It was about an hour before the last Bitcoin Core difficulty adjustment when the flurry of trading at the record lows of BCC trading ended with a bang. There was no getting back in. There was no time for a human to react. There was no arbitrage opportunity. There was a coordinated synchronized buy on every exchange permanently reversing mining profitability. At it's lowest point, BCC traded in the sub $100 range. But the ruse was over, in a moment bitcoin cash was now trading near $1100. Corrections were met with syncopated buys until great walls were finally built around $1088.88 or 6489 RMB.
The rate at which miners would switch had been derived in the EDA waves the weeks before. By the time the last Bitcoin Core difficulty adjustment occurred Bitcoin Cash had captured 60% of the hashrate. Still at it's original difficulty Bitcoin Cash was now about twice as profitable to mine at the same market price. The next difficulty adjustment for Cash would occur in one day instead of a week, while the next difficulty adjustment for Core was 25 days and rising.
Then the Core fees began. Speculators began by maxing out blocks with +500 sat transactions, as hodlers and whales moved, speculator transactions were frozen near the bottom of mempool waiting for expediting transactions. Selecting 'High Fee' from a slider just created a race condition. Instead 0.1 BTC was the preferred fee amount, then 0.15, 0.25 and 0.5 followed. Whales began moving 1000 BTC chunks for 1, 5, & 10 BTC. The largest fiat value block ever mined was around $500k while Core was trading in the $450-500 range. By the time it got to an exchange six blocks later, it was worth $313k.
Core still had plenty of hashrate, roughly 20-30% of the total, with the next difficulty to arrive in 30-50 days. Although total fees in CoreCoin continued to rise, the value did not. As transactions cleared and the coin hit the exchanges, Core tested Bitcoin price points from years ago, stopping at $300, dropping to $80, reversing to $250, then $50, $12, $3, and finally up to $33 before settling back to $1.5. As the price plummeted so did the hashrate, with 3% of it's expected hashrate, Core was staring down 300 days before the next difficulty adjustment.
It wasn't until around 90 days after the flippening that Blockstream managed to release their difficulty adjusting hardfork (BSC), which also included an effective blocksize increase of 84 B. The fork fragmented their remaining hashrate, which was immaterial at that point. Only one mining company retained the backlog of transactions through the reset, chewing through the highest fee transactions and dumping the new buttcoin on the markets. But despite the downward pressure, the new coin began to rise on markets.
While the single fee miner had targeted legitimate gains, other miners had done the math and devised other plans. After clearing Corecoin from their books, they placed an array of shorts and margin trades, they then completed a successful 51% attack when the Core forkcoin was hovering around $12, immediately rendering the new fork worthless and earning a handsome sum in return.
As an interesting aside, a 32MB block limit version of the difficulty adjusting fork called CoreCoinCash (FBS) was also released and activated a day after the Core recovery fork. Aside from accommodating more transactions, it had a more robust EDA function and immediately became more valuable than its Core counterpart. It was a consolation prize for people who had cashed out their real Bitcoin for blockstream tokens in August of 2017. The lasted a few weeks until the new 32MB coin encountered legal troubles with Blockstream patents and trading on exchanges was halted.
In all, the original chain was frozen forever, the Blockstream fork was successfully attacked, and the new Core Cash fork did a Coinye.
The epilogue to this story involves pizza. On May 22nd 2020, 10,000 frozen BTC were traded for a pizza delivered in San Francisco. The pizza buyer mailed private keys in an airmail envelope to the Azores. In 2027, the same sealed envelope was reportedly sold on OpenBazaar 6.0 for 10,000 koinu DOGE. Because trading below 1 sat BTC/BCC had stopped in 2019, this was technically the last known initial chain Bitcoin transaction ever, (granted off-chain, which was the whole goal to begin with).
submitted by qEAQNC3 to btc [link] [comments]

Beginners Guide to Investing in Cryptocurrency from an Entrepreneurial Standpoint

Hey you guys and gals. I have been seeing a lot of new people coming into this sub and I was hoping to shed some of my opinions and things that helped me along the way. I know this has been done quite a few times, but different things work for different people, and I am hoping to approach this from an investment standpoint. I am sure I will get some hate for this with some of my opinions, but hopefully this helps one or two of you out. Anyways, if anything I stated is glaringly wrong I would love a message about it and am glad to have it removed or altered. I am going to do my best to not push anything in particular, but some recognizable names do come up as examples. I am coming to this with a business and investment viewpoint and a mediocre understanding of the tech. My background is entrepreneurial, which I feel is useful in the current state of the crypto market. I hope this gives you a brief introduction into some basic investment ideas and thought processes, and is generally a good guideline to help you get into trading! In no way will I be attempting to explain the technology, because I do not feel I have a worthy grasp on it, and the people in the Crypto Technology subreddit have much better idea.
Introduction to Cryptocurrency via Whitepaper
First thing I think is important for everyone to do is read this whitepaper from Raiblocks XRB (name change soon to nano possibly). I enjoyed this paper because it outlines basic tech in such a way that I think everyone will understand, even those of us who are not tech savvy. I feel it is important to understand the basic technology before sinking any money into it. I have tons of friends who ask me about getting into it and the first thing I have them do is read that paper. They always return with a fresher point of view and are usually more open to hearing my opinions and are willing to do more research on their own time. In no way am I attempting to push Raiblocks. I just think they have a great whitepaper that everyone could learn from.
Once you have read that I want you to go look into 10 different cryptos/coins you have been hearing a lot about, and I mean seriously looking into them. The most likely reasons that you are here is that a lot of these currencies are increasing in value significantly and people are making large sums of money off of it. Most people have done their due diligence on maybe one or two of them, and scarily some people are sinking money into things based solely on articles or the blind belief that everything will just go up in value no matter what they buy. Currently there are over 1400 of these available for purchase across a variety of exchanges. I would be hard pressed to say that even 75% of these seriously have anything reliable to invest in, or really have any clear roadmap to try and increase in value. Because, let’s face it, most of you are here to make money. You want your assets to increase in value, yes? Then you need to invest in something that hopefully will expand and grow and have some sort of real world application or exciting technology. The days of putting money into crypto and getting by with a catchy name are gone. Certainly a great name can help you on social media (think Ripple XRP), but there is going to have to be more behind it than that.
So when you look at your first one I want you to go to a site such as this and look up your first coin. The search bar is in the top right. Once you select your crypto you will be met with some big numbers across the top. Assuming it is set the same for everyone it should be set to your coin compared to bitcoin (BIT). Select the white drop down bar and change it to USD, because this is what most people want to see. Please take a look around this page and try to click through everything and see what you understand. If everything on that page is foreign it is totally okay to look stuff up or ask someone. I would prefer people going into this with as much understanding as possible. Investing any money into something blindly is a dangerous thing to do and we should encourage people to ask questions. Not everyone may grasp something as good as you, but that does not mean you should knock them for it. Before moving onto the next part I would write down the name, the current market value, supply, and ticker in a notebook. Also write down the value it was at a month ago December 1st. A lot of movement has happened since then so I want people to understand just how much has occurred. Leave yourself some room to write some more stuff.
Once you feel you understand the layout I want you to go to your first crypto’s website. If you can’t find the website search for a whitepaper on whitepaper database. Look around the website. Does it look clean? Is it disarrayed? Does it look like something you would want to sink money into? If this was a piece of bread, is it moldy or fresh? Alright, it looks good. Search around. Check out what the people behind this product are putting up for people to read. If this was a person would they have presented themselves in a professional or unprofessional way? Read a couple of posts. Look for the whitepaper. Hopefully it is relatively easy to find. If not, go to the database linked above. Read through that. Try to understand as much of it as possible. They hopefully have a clearly defined goal or project they are working on. Hopefully they have details on what is being done to achieve these goals. Maybe they have some of the team members listed out with prior experience. It is a great sign to have something relating to the crypto world, and hopefully for more than a month’s time. If that all checks out and you are feeling more confident about this then I want you to do some social research. Check out what is being said about it. Are people just pushing there coin on Twitter or Facebook in an attempt to get it to increase in value, or are there serious technical or market news and articles on it? The latter is usually the sounder investment in my opinion.
Write down some things in your notebook. Partnerships, new tech they are working on, companies utilizing it, projects, etc. Anything you think may be important for when it comes to make a decision.
Once you have done this for the first one, I want you to do it for 9 more. Write down things that they have similar, different, market cap size comparisons, buzz, what is a scam, what is not. Some of this is gut feeling, and some of it is just plain facts.
Basic Things I Like to Look For. By No Means an All Encompassing List
I just wanted to point some things I look out for when I am searching for something to invest my money into. Remember this is real money we are talking about hear. Anyways on to some things I look for. The first one comes from a book I read called the Blue Ocean Strategy by Renee Mauborgne and W. Chan Kim. The basic premise is that tough competition is found where there are many people vying to be #1. Everyone wants to be the next bitcoin, but who is doing something to separate themselves from the crowd. Competition creates red water (think sharks fighting – it bloodies the water) and lack of competition (hopefully cause you are an innovator) is calm, clear, and beautiful blue ocean with tons of room to work in. Now granted this does not mean that a cruddy but different coin is good, and on the flipside that having competition is bad. This is just a good thing I like to consider when I separate the two. Now you also have to remember that crypto will be worldwide. So certainly there can be multiple competitors in different regions. The Amazon of the USA is the Alibaba of China. They both have certainly done well for themselves. But during busy times like this, the crypto boom, there will be a lot to sift through, and eventually some will fail and people will be forced to chalk it up as a loss.
Before we get any farther I want to remind everyone about something. I hear stories about people sinking all of the extra money they have into this, and that is not a good call. Only expend what you can survive without. Maybe you have a few thousand you were saving up for a new jet ski and think that investing is a better call. I say go for it. I own a jetski, and trust me you will not want it within in a couple of months. But, be careful. People lost a ton of money in the bubble. I am not saying it is going to happen, but you just never know, that’s why it is called a crash and a bubble. You do not know when it is going to happen.
The second thing I like to look for is pulled from Good to Great: Why Some Companies Make the Leap and Others Don’t by Jim Collins. This is a great read if you want something to throw by the toilet. Pretty basic to understand and has a lot of good things in it that I reference when I am looking at businesses. Some things I pulled from that are the phrase that, “good is the enemy of great”. Just because someone makes a good technology does not instantly make it valuable instantly. Getting people to use it and find value in it is what is important. Let’s face it, more and more people of wealth are getting into crypto. The things they expect a return on their money for will need to have something backing it, people working to spread it, continuance of invocation, possibly even pushing into other markets, etc. Standing still and hoping your technology will just work might not always be the answer anymore. When I say someone backing it, I mean are there people lining up to use it, and if not is there a great team working on development and attempting to get people to utilize it. Getting the right people on the bus (team) and in the right spots is another point Jim Collins makes. That means that the necessary skill is being put into the right positions to make this happen. Basically is the business guy able to go out and get the business side done well, and is the skilled developer able to focus on his/her job. People with a history are usually a good sign (people can be fraudulent about history so be careful). The last concept is about building something that will last. Apple would not have the backers and the market cap to match if people were afraid it was going to collapse within the next two months. Find something you think is shooting for the long term.
I will not divulge any further what I find important to look for. I think it is important for everyone to do their own research. This does not mean sit on the computer all night and wait for articles to pop up showing that your coin is going to skyrocket. Find something you have a hunch on. Pick it apart. Write down good and bad things. Hopefully the good outweighs the bad.
Bonus one cause it is on my mind lately - One more thing I like to look for is if the business/coin/crypto/token/whatever solves a real world problem and if that problem is prevalent enough that people would be willing to pay for it.
Just a couple remarks on a portfolio. Everyone has heard the saying, “don’t put all your eggs in one basket,” right? It basically translate to do not put all your money in one crypto. For many of you this will be your first time investing. Most people who have been long term investors (10+ years) do not just have common stock in their portfolio. They have ETFs, bonds, mutual funds, CDs, so on and so forth. Certain things in those portfolios are more risky, and certain things are less risky. Most of you are all banking on one market, the crypto market. I think you have to let that sink in. There will be corrections, stuff will lose value, stuff will maintain its value, and others will hopefully go sky high.
That being said, since we are focusing on one market, we should definitely try to diversify within that market segment. Do not just buy one thing because you think it is going to skyrocket one day. That may not happen anymore for all we know. Find a few that are focusing on tech, some with good partnerships, others that are more risky, and some that are less. But please do not put it in just one. I am sorry if the one you would have put all your money in hits $1,000 and you miss out on some bucks. But on the flipside is it never hits, you’re even and you miss out on making money in other things, or worse it crashes, and you lose all of your investment. Go for a bigger investment in one that you feel better about, and less that you feel are more long shots. Do not be afraid to shave some profits of if it comes to that. Do not just let it ride forever. Use the money you make if you need it. Transfer it into long term investments if it comes to it (who knows maybe 4-6 years down the line you can afford the down payment on a house). Please do not just put all your money into a $0.001 coin because you can get 2 million of them for $2,000.
Fiat (cash, USD) into Cryptocurrency
A lot of people are looking for ways to change USD into these exchanges. I personally have used a multitude of ways. But I feel that moving money into Coinbase, (do not purchase Bitcoin If you want to start trading immediately) and purchasing either Ethereum (ETH) or Litecoin (LTC) and then transfer it onto an exchange that is verified is the easiest way to begin. Please do two factor authentication and write down your codes and put them in a safe place. If you have a safety deposit box, put it there. Feel free to look up what a lot of other people are using for exchanges, but make sure it has the things you want on it. The correct coins, the right support staff, users, etc. I do not recommend leaving your stuff on the exchanges. I feel it is important to have a ledger. There are two popular brands – Trezor and Ledger Nano S, and I recommend both of them. Please make sure you purchase on their websites. I have heard horror stories about people losing everything because some other malicious party took sold them their stuff and had access to their ledger the whole time. Just be careful.
Day Trading
I am going to put this part in for people who think they will be good at day trading. While there will be some people good at it, the vast majority of us will lose money or shares in a business. That is no good. If you do not know what moving averages, relative strength, or depth charts are, among many other things, and are just going off candlesticks, step away. If you are willing to look into this and have money to lose, cause trust me you will not be batting .1000 let alone .500 in your first couple go rounds, then I say go for it. If you are okay with losing money learning, be my guest. But in my opinion it is best to leave it to the seasoned cryptotraders and the professionals.
Psychology of Crypto
I am not going to pretend to be a psych pro, but I do think it is important to know that money will and will not be lost over the course of a couple hours and a couple months. The inverse is true as well. However, you are making what most consider a risky investment. Something might lose before it gains, or gains and then loses. Heck maybe it loses and never regains. You can’t let this stuff affect you. It is not healthy. Stuff will go up and down constantly in this market. Some people are valuing it, some are pricing, and some are just shooting from the hip. The market will be all over the place and that is just how this crypto market is. But please, do not turn it into an unhealthy obsession. There will be a honeymoon phase where you can’t stop looking at it pricing. I know I look at it more then I should. Do not be afraid to step away from the computer. Go on a hike. Enjoy your friend’s company. Earning money and making sound investments is important, but do not let it take over your life. Find people in your friend group who are into it, and maintain a message group. It has helped me talk with some old friends again and they are always there for great advice when it comes to crypto. Two minds are better than one, but do not fall for Groupthink.
Final Remarks
Y’all, I am not going to lie. It is like the Wild West right now. This reminds me very much of the bubble, which scares me. I do not want that to be true of course, and I am trying not to start an argument, but this is money. Decide whether you are risk averse or not and plan your portfolio accordingly. I am sure I am missing some things, but I just wrote this since I had extra time to kill. Did this out of the kindness of my heart and not for monetary gain or to push anything. Again, if you feel anything is grossly misleading or incorrect feel free to send me a message and I will gladly throw an edit on there. I am just trying to help people who may not have an investment background start to consider things that might be indicative of a good investment. I am hoping to cut back on the amount of people who lose their money to mistakes and scams. I will likely expand on this in the future if there is some interest.
Edit: I should mention something about people who are looking to trade into altcoins, because I have seen people do this a ton. For example, a lot of people take the Ethereum route, which I agree is good. But you have to understand that the market is extremely volatile. Even on an hour to hour basis. Say you buy 1 ETH at 1,250, and two hours later it is at $1,110. But you are not paying attention to that price. You are hardcore watching Ripple waiting for it to drip below $1.93 from $2. Finally it gets below that price. Actually it hits $1.90! Score! Trade instantly. Bad idea. Yes you saved yourself $0.10 a share, but look at the big picture. You are down $140 on ETH. How much money did you actually save then? You have 584.21 ripple at 1.90 ($1,110 worth). But, if you had just executed at $2 when your ETH was worth $1250 you would have 625 shares. Do not get too focused on the price of what you are exchanging for. Also track what your current hold is sitting at. Not saying you should instantly excecute trades once that coin finally comes in. You should get the feel for the market.
submitted by tangytacosman to CryptoCurrency [link] [comments]

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