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Topics - nahiyan_rahat

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Bitcoin Forum / 80 Percent of the Total Bitcoin Supply Have Now Been Mined
« on: February 18, 2018, 04:09:18 PM »
This weekend marks a milestone for bitcoin as 80 percent of the currency has now been mined into circulation, this means there’s only 20 percent left to mine. Satoshi Nakamoto’s protocol was one of the first to introduce digital scarcity and soon enough the digital asset will become even harder to obtain.

There Are Only 4.2 Million Bitcoins Left to Mine

80 Percent of the Total Bitcoin Supply Have Been MinedSo far on January 13, 2018, 16,800,000 BTC have been mined and there’s only 20 percent left for miners to acquire. When Satoshi Nakamoto introduced the bitcoin protocol to the public by launching the codebase in 2009, the cryptocurrency came with a capped supply. The supply will never be increased and Nakamoto set the number to 21 million bitcoins ever to be found. So far the creator’s plan and miners securing the network have successfully secured this rule from changing with hashpower. Theoretically, however, skeptics believe there could be a way to increase the supply through manipulative tactics such as a 51 percent or Sybil attack. As the digital asset’s life approaches a decade no one has been able to break the rules of 21 million supply cap.

2
Bitcoin Forum / How to Mine Bitcoins and Make Money – Step by step Guide
« on: February 18, 2018, 01:23:42 PM »
Bitcoin mining plays 2 major roles in maintaining Bitcoin Network:
Confirming/Validating Bitcoin Transactions
Issuing New Bitcoins to Miners Who employ their computing resources to this process.
We have already covered a detailed guide on “Bitcoin Mining”, You can check it here – How Does Bitcoin Mining Work. In this post, we will explain the step by step process to start Bitcoin Mining and earn money.

In the beginning, the only people who would mine Bitcoin were coders who were interested in cryptography or were just trying to expand the blockchain. However, as the price of bitcoins rose further and further, people started seeing it as a legitimate investment and went to the lengths of buying warehouses and server farms to mine bitcoins properly.

The main costs associated with mining Bitcoins are equipment and electricity. Buying powerful processors is one of the major expenses, but they last a relatively long while and don’t need regular replacement.

On the other hand, electricity is a constant requirement, so it makes sense to set up a mining operation in a place where electricity prices are low.

But all of this is only important if you know that mining Bitcoins will be profitable. The first step to mining is to figure out if there is any profit to be derived, or if attempting a mining operation is simply a waste of time and money.

How to Start Bitcoin Mining

Step 1 – Calculation – Is Bitcoin Mining Profitable?
Step 2 – Buying a mining rig
Step 3 – Get a Bitcoin wallet
Step 4 – Get mining software
Step 5 – Joining a mining pool
Step 6 – Start Mining

Step 1 – Calculation – Is Bitcoin Mining Profitable?

In the early days of Bitcoin mining, people could easily mine with a mid-to-high end Graphics Processing Unit (GPU). However, as the popularity of Bitcoin increased, more and more people took up mining professionally. Now, given the amount of time and power it takes to mine Bitcoin, the first thing you need to figure out is if your investment is worthwhile.
There are three variables you need to take into consideration.

Hashing Power
Power Consumption
Cost per KW/hr
Hashing power is a measure of how powerful your mining rig is. Hashing power is measured in Hashes per second, and the best mining rigs usually have a processing power measured in Gigahashes per second or even Terahashes per second. The more powerful the rig, the faster the mining will progress.

Mining rigs consume electricity proportional to their processing power. The more powerful rigs draw in large amounts of power per hour, and all that power used costs money.

So this is the calculation you must perform before you decide to start mining. If you want to invest a certain amount of money into mining, the first step is to make sure that the Return on Investment is enough. After all, what’s the point of mining if it’s not going to turn the profit?

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There are plenty of profitability calculators that you can use. Simply plug the three variables into the calculator and see if the amount you will mine is more than what you’ll spend setting up and running the operation.

Step 2 – Buying a mining rig

As mentioned above, it was possible to mine Bitcoins with GPUs. But now, it takes specific chips to mine effectively. Mining chips are called Application Specific Integrated Chips, which are made for the sole purpose of mining.

You can choose a rig based on price per hash and electrical efficiency. The best rig isn’t always the most expensive one, but the one that strikes the perfect balance of power and cost.


If the projected earnings are more than the expenses, then setting up the mining operation will benefit you and you can move on to the next step.

Step 3 – Get a Bitcoin wallet

A bitcoin wallet is a bank account specifically for your Bitcoins. If you wish to receive or send bitcoins, you need a wallet. A wallet consists of a public key and a private key.

The public key is what you give out to people. If they wish to send you bitcoins, they simply input your public key and send whatever the amount is. The private key is your password into the wallet, allowing you to access the money in it.

There are two types of wallets, physical and digital. One of the most well known digital wallets is called Copay, and it is great for beginners.

Physical wallets, also known as hardware wallets, are extremely secure, much more than digital wallets. Ledger Nano, TREZO, and OPENDIME are good suppliers of hardware wallets.

Step 4 – Get mining software

There are several different softwares that are used to interface between your mining rig and your computer. If you join a mining pool, they may have their own software, but if not, there are plenty of options like CGminer, BFGminer or EasyMiner.

Step 5 – Joining a mining pool

Joining a mining pool is one of the more convenient options available to miners. How a mining pool works is that a bunch of people decide to get together and pool their computational resources. Whenever the group earns any bitcoins, they are split among all the participants, depending on how much computing power they have contributed. Nowadays, earning Bitcoin is very difficult without joining a mining pool.

When joining a pool, you have two options. You can either connect your rig to the pool remotely via the internet. Alternatively, you can ship your rig to a warehouse where the pool is located and plug them in. There are several benefits to the latter, mainly the fact that earnings are pretty much guaranteed. When mining at home, miners often do not have enough computing power to finish blocks, wasting all the electricity and computing power used. By contributing to a pool, miners can ensure that they earn at least some profit. It is a very efficient mechanism for mining.

The method of mine bitcoins in a pool doesn’t differ significantly from home miners. All you need to do differently is sign in to the pool and give them your public key. Depending on the contributions, you will earn bitcoins.

Step 6 – Start Mining

Connect the mining rig to your computer and run the software. That’s it. Let it run. Now that you have started mining, the more transactions you validate, the more of the blockchain you process, the more bitcoins you will earn! Congratulations, you’re a bitcoin miner!

So there you have it. These are the basics of mining bitcoins. As you can see, it’s not too difficult. All you need is some basic research, and you can create another source of income!

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Bitcoin Forum / Which Hardware Wallet to Use
« on: February 18, 2018, 01:22:02 PM »
Hardware wallets are all the rage. Part of the “cryptocurrency starter kit”, these ultra-secure devices for storing cryptocurrency have become hugely popular as interest in bitcoin has boomed. With a number of different models to choose from, beginners may be wondering which one is best – and indeed whether they need a hardware wallet at all.

Real Hodlers Use Hardware Wallets

Bitcoin for Beginners: Which Hardware Wallet to UseTrezor and Ledger, two of the best known wallet manufacturers, have grown to become the industry’s go-to cold storage solutions. Both companies, who make a range of devices, have successfully met the demand for offline storage that is secure and user-friendly. No cryptocurrency wallet is 100% secure against all known attack vectors including acts of god, but Trezors and their ilk come pretty close, provided they’re bought directly from the company or an approved reseller. Spending $100 or more to secure several thousand dollars’ worth of crypto – which has the potential to appreciate into many thousand more – seems like a pretty good investment.

But for anyone who balks at the cost of purchasing a hardware wallet, it’s possible to achieve the same result on a budget. There’s nothing to prevent you from installing a wallet onto a thumb drive, or better still a pair of them to ensure redundancy, and encrypting them. Similarly, an old iPhone with Bread wallet or the Bitcoin.com wallet installed makes for a durable cold storage device. Note down your recovery seed and then keep the device offline, save for when you need to access the wallet.

For anyone determined to use a dedicated device, however, these are the main options:

Trezor
Trezor dubs itself “the original and most secure hardware wallet” and it’s highly regarded by hodlers. Available in black or white for around $109 a pop, the device will allow you to store all your ERC20 tokens together with almost two dozen coins including BTC, BCH, LTC, DASH, and ZEC. Water-resistant and sturdy, the Trezor features a small display for confirming transaction details, 2FA, password manager, and a bunch of other features.

Bitcoin for Beginners: Which Hardware Wallet to Use

Ledger Nano S
Small and lightweight, the Nano S by Ledger will hold bitcoin, ethereum, and several other altcoins. Like the Trezor, the Nano S is highly rated by the crypto community, and this week Ledger celebrated selling its one millionth Nano S. The device uses a small OLED display and side buttons that are pushed to confirm transactions. If you want to get your hands on one you’ll need to be patient though – the next units aren’t scheduled to ship until late March.

The company also makes the Ledger Blue, an enterprise-grade hardware device, which has a larger screen, added security features and a $330 price tag. Like its sibling, the Nano S, the Ledger Blue is currently out of stock, with no confirmed shipping date.

Bitcoin for Beginners: Which Hardware Wallet to Use

Keep Key
Although not as trendy as Ledgers or Trezors, the Keep Key wallet is another capable contender. It allows for storage of bitcoin, bitcoin cash, ethereum, litecoin, doge, and dash, with more coins due to be added. There’s also the ability to exchange between cryptocurrencies directly from the device using Shapeshift. It retails for $129, and is available for pre-order only, with no confirmed shipping date.

Bitcoin for Beginners: Which Hardware Wallet to Use

Bitlox
Bitlox looks a bit different from the rest of the wallets featured here. Rather than connect to your laptop via USB, it uses Bluetooth only. The wafer thin device, which resembles a smart card, can store bitcoin and retails for around $100. Support for altcoins is coming soon.

Digital Bitbox
A hardware wallet that’s as minimal as it gets, Digital Bitbox eschews a screen altogether in favor of compactness. It uses a micro SD card, is Tor and Tails compatible, and has optional 2FA. The Swiss-made device crams an impressive amount of security features into a very small space. Just don’t lose it.

Bitcoin for Beginners: Which Hardware Wallet to UseOf all the hardware devices on this list, Trezor and the Nano S have been extensively tested at scale by millions of users, which certainly inspires confidence. That’s not to say they’re any more secure than devices from other manufacturers though. The most important thing is that you get as much of your cryptocurrency as possible out of centralized exchanges and onto a device that you control the keys to. Only once you’ve achieved that can you truly claim to have gained your financial freedom.

4
There are plenty of well-known critics of Bitcoin in the banking and business worlds. Recently, Jamie Dimon, chief executive of JPMorgan Chase & Co., called the cryptocurrency a “fraud” and said it would blow up. He even went so far as to say he would fire anyone who traded Bitcoin because “they are stupid.”

But not everyone’s so dismissive. Bitcoin has had a bullish run in 2017, rising from $966 at the start of the year to a record high of more than $18000, and some major holders of the currency are no doubt looking to cash in on its value. The names might surprise you. While Bitcoins allows for anonymity, using strings of letters and numbers to identify sources of transactions, certain people have publicly revealed that they’re enthusiastic users. Here are the people with the biggest known stakes in Bitcoin.

The Winklevoss Twins
You likely know Tyler and Cameron Winklevoss, who tried and failed to gain control of Facebook after alleging that it had been appropriated from them, thanks to Armie Hammer’s satirical portrayal of both siblings in The Social Network. But the Winklevii have a second act in their enormous Bitcoin investment. While they were shut out of creating a Bitcoin exchange traded fund (ETF), their 2013 investment in $11 million worth of Bitcoin (which reportedly amounted to one percent of all the currency in circulation) looks pretty rosy now. That same amount is worth approximately 21 times as much now, putting their total at about $231 million.

Barry Silbert (cryptocurrency maven)
Silbert, a venture capitalist and founder of Digital Currency Group, was an early proponent of Bitcoin. He reportedly nabbed 48,000 Bitcoins in an auction held by the U.S. Marshals Service in 2014 (the government had seized much of the currency from Silk Road, an online marketplace it said was used for illegal drugs). Bitcoin was then worth $350, which means Silbert’s haul has climbed about 16 times, from approximately 16.8 million to $268.8 million.

Tim Draper (billionaire venture capitalist)
Draper, a venture capitalist worth billions thanks in part to his early investment in Skype, made headlines for his purchase of 30,000 Bitcoins in 2014 from that same government auction. Then worth about $19 million, that stash would be up to $171 million now. Draper is clearly feeling optimistic about the digital currency market, as he’s gone on to back Tezos, a new cryptocurrency.

Charlie Shrem (Bitcoin early adopter)
Shrem is more infamous than famous. The entrepreneur got in on the early days of Bitcoin and was a member of the Bitcoin Foundation, which was supposed to protect the use of Bitcoin but has seen several of its leaders under criminal investigation. Shrem himself received a two-year prison sentence for charges related to money laundering. But he’s now back with a crypto-investment startup, and while he hasn’t disclosed exactly how much he owns in Bitcoins, he reportedly bought a few thousand back when they worth were little, and those would be worth several millions now.

Tony Gallippi (cryptocurrency executive)
Gallippi is the cofounder and chairman of Bitpay, currently the leading Bitcoin processor, and is said to be among the largest holders of the currency. While he hasn’t disclosed the exact value of his Bitcoin investments, estimates have put it around $20 million.

Satoshi Nakamoto (Bitcoin mastermind)
Nakamoto is the shadowy figure sitting at the heart of Bitcoin, which itself still confounds so many. After inventing Bitcoin with a 2008 white paper describing a software tied to digital currency, Nakamoto retreated from public life. People aren’t even sure if that is his (or her) real name. While one man came forward to say he was Nakamoto, online sleuths disputed the evidence. Theories abound as to who Nakamoto really is, but it’s clear they have a whole lot of Bitcoins at their disposal. A Bitcoin developer estimated in 2013 that Nakamoto had around 1 million Bitcoins. At a valuation of about $6,133 as of this writing, that would be theoretically worth an astounding $6.1 billion. A huge caveat here, though: If Nakamoto were to start selling off their entire supply of Bitcoin, it would rapidly drive down demand for the currency, and therefore the value of the holding.

Uncle Sam
Perhaps the biggest surprise of all is that Bitcoin, a software-based currency that’s supposed to be free of traditional currency restrictions, has already provided a lucrative payout for the federal government. As noted above, the FBI seized 144,000 Bitcoins while shutting down the Silk Road marketplace in 2013, which back then made it the owner of the biggest Bitcoin wallet (though not necessarily the entity with the most Bitcoins, as they can be spread across many wallets). The government then auctioned off the Bitcoins. collecting $48 million. It could’ve made a lot more money if it had waited on the sale, but Uncle Sam is still trying to get a piece of the Bitcoin action. The IRS has declared that digital currencies are taxable property, and is waging a legal battle to unmask Bitcoin users who haven’t been properly disclosing their capital gains and losses. Reports suggest that the vast majority of Bitcoin transactions go under the radar. That could mean potentially millions more for the feds to take as their own.!

5
Bitcoin Forum / The case for Bitcoin THE ONLY KING
« on: January 02, 2018, 09:50:50 PM »
I’m writing this to give many of the newer members here a concise and easy to understand argument for why bitcoin is important now and in the future. Many of the points I’ll make here for you to read have likely been made in various posts around the group, but I’m attempting to put them all into one “easy to understand” package. So…let’s talk about that old, dead & useless technology that is bitcoin…��

1. Bitcoin is THE brand. Full stop. Bitcoin is the gold standard of crypto. While some may claim that is SHOULDN’T be…. It is. Without bitcoin, no other coin would be able to have believers. Bitcoin paved the way for all others and if it goes… all others go. You can’t have bitcoin collapse and other cryptos not get destroyed. Bitcoin is the backbone of crypto. ��

2. Bitcoin brings all the boys to the yard. It’s milkshake is better than yours. I could teach you, but I’d have to charge. The fact that bitcoin has lasted for so long and done so well…that attracts people to crypto. They may venture into alts later on…but they get here on that big yellow bus called bitcoin. ��

3. Bitcoin is NOT for buying candy bars. Yes…. Transaction times and fees are currently high and long. But for the vast majority of BTC owners, it’s not an issue. Google “Gershwin’s Law” and you’ll realize that nobody who owns bitcoin is trying to spend it for silly stuff like candy or dinner. Yes, I realize many have been told the silly story about “satoshi’s original intent”…. As if its not valid for the marketplace to determine the best use for something…which It has… and the best use for Bitcoin is a decentralized store of wealth. And guess what…that is one of the most valuable functions in any economy. There is a DAMN good reason that BTC has gained the value it has. It’s safe and secure and can’t be controlled by central parties. That is unprecedented. It is by far, the most important use a crypto can serve. Much more important than buying a movie ticket. ��

4. If you want to buy a movie ticket…take some of your BTC and trade it into Litecoin… or some other cheap and fast transaction coin. I have most of my fiat in my savings account. When I want to buy beer…I move it to my checking account and pay for beer. Bitcoin is no different. It is the savings account for wealth. LTC, ETH, DASH or Monero… or a host of others…. They are useful for that purpose currently. It’s not a big deal that BTC isn’t currently a great coin for micro transactions….there are NOT that many people begging to use crypto for micro transactions anyway. ��

5. Bitcoin has over 500 developers who have contributed to its’ code. I know you hear people say it’s an old technology that is outdated… but that’s simply not true. The beauty is its simplicity. It’s never been hacked and even the most powerful of it’s miners were not able to control it…hence the Bcash fork….. It serves It’s function beautifully today… and has a team of developers working on future tech as we speak. Lightning network and Onion are coming… and while they have their drawbacks, I trust in the bitcoin dev team more than any other. They’ve got us this far and they are not in it for the money. They are true to the goal of decentralized and secure storage of wealth….��

6. Bitcoin is the only coin with the history, brand name, and security to attract Wall Street. Wall street money is SUPER cautious. And VERY sophisticated. The prime directive on wall street is not to MOON… it is to not LOSE money. Bitcoin is about as risky as wall street wants to get. And most other coins don’t have a large enough market cap to absorb the kind of money wall street has. ��

7. Futures and ETF’s. As I posted a few weeks ago… Wall Street dipped it’s toe into bitcoin with the first round of futures contracts. They are 30 day contracts and most of the money is waiting to see if reserves are set properly before entering…. So the real money is a week or two away…. And ETF’s are coming soon. Exchange Traded Funds are like the dow 500. You buy a share of the ETF and your money goes up or down based on the entire crypto space. Bitcoin is the anchor for that space. And the futures market for Bitcoin adds legitimacy to that space. ��

8. You can’t talk BTC without talking a bit about BCash. And those who support Bcash are at this point frothing at the mouth to scream at me…. But the truth is…. There are already multiple crypto coins that do what Bcash does… and do it better. Bcash is where it is currently only because it’s attempting to steal the brand. It it were called Btrash, it would be trading at pennies. If you go back and look at the history of Bitcoin…when it had the same volume of transactions that Bcash has today…it was just as fast…. SO… I’m not a fan of Bcash. But I am a fan of coins that serve that role better… I do NOT buy into the narrative that Bitcoin is useless unless you can use it to buy a big mac. If that were true, it wouldn’t be trading for the amount it is today. Litecoin has been doing a much better job of microtransactions for a much longer time… but the market wants decentralized and secure value storage. Nothing is better than bitcoin for that. ��

Anyway… that’s the reason Bitcoin is important and will continue on. Other crypto will exist… many will… but don’t think that bitcoin will be overtaken. That’s doubtful. It has way too much going for it.

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Bitcoin Forum / Bitcoin pending, What to do?
« on: January 02, 2018, 11:50:52 AM »
last week I had withdrawn 0.012 btc from faucethub to coinbase. and it has been 6days already but I havent received that amount on Coinbase. Whenever I check the withdrawal page it says that is is QUEUED. And the sent status is still pending. What should I do guys? I am really worried about it.

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Hello everyone. I am a newbie to the world of cryptocurrency. Couple of days ago I bought some litecoin and I have decided to keep it for few months. Is this the right thing I did? Your valuable suggestion will help me greatly as I am looking forward to buying more LTC.
Thanks in advance

8
Bitcoin Forum / Possibility of crossing 20000$ for bitcoin?
« on: December 28, 2017, 09:12:56 PM »
Hello Altruist,
I am a newbie here and new to the world of cryptocurrency. I bought about 170$ worth of bitcoin but due to the need of immediate money I need to sell these. However I want to earn a good amount from it so is there any possibility of BTC crossing 20000$ within next month. If you think so or you are certain enough then don't hesitate to inform me.
Thanks :)

9
I was hoping to buy dogecoin of 150$ and this will be the first time I will be buying Dogecoin. I have not much knowledge, so I want the opinion of cryptocurrency specialists. Is it the right time to buy dogecoin or should I wait more?
Your co-operation on this matter will be greatly appreciated
TIA :)

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